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I'm gonna know how to program a computer by the end of this thread.
/*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
# include <stdio.h>
#ifdef __STL_USE_NEW_IOSTREAMS
# include <iostream>
#else /* __STL_USE_NEW_IOSTREAMS */
# include <iostream.h>
#endif /* __STL_USE_NEW_IOSTREAMS */
#ifdef __STL_USE_EXCEPTIONS
# include <stdexcept>
#endif
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1174
#endif
// Set buf_start, buf_end, and buf_ptr appropriately, filling tmp_buf
// if necessary. Assumes _M_path_end[leaf_index] and leaf_pos are correct.
// Results in a valid buf_ptr if the iterator can be legitimately
// dereferenced.
template <class _CharT, class _Alloc>
void _Rope_iterator_base<_CharT,_Alloc>::_S_setbuf(
_Rope_iterator_base<_CharT,_Alloc>& __x)
{
const _RopeRep* __leaf = __x._M_path_end[__x._M_leaf_index];
size_t __leaf_pos = __x._M_leaf_pos;
size_t __pos = __x._M_current_pos;
switch(__leaf->_M_tag) {
case _RopeRep::_S_leaf:
__x._M_buf_start =
((_Rope_RopeLeaf<_CharT,_Alloc>*)__leaf)->_M_data;
__x._M_buf_ptr = __x._M_buf_start + (__pos - __leaf_pos);
__x._M_buf_end = __x._M_buf_start + __leaf->_M_size;
break;
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
{
size_t __len = _S_iterator_buf_len;
size_t __buf_start_pos = __leaf_pos;
size_t __leaf_end = __leaf_pos + __leaf->_M_size;
char_producer<_CharT>* __fn =
((_Rope_RopeFunction<_CharT,_Alloc>*)__leaf)->_M_fn;
if (__buf_start_pos + __len <= __pos) {
__buf_start_pos = __pos - __len/4;
if (__buf_start_pos + __len > __leaf_end) {
__buf_start_pos = __leaf_end - __len;
}
}
if (__buf_start_pos + __len > __leaf_end) {
__len = __leaf_end - __buf_start_pos;
}
(*__fn)(__buf_start_pos - __leaf_pos, __len, __x._M_tmp_buf);
__x._M_buf_ptr = __x._M_tmp_buf + (__pos - __buf_start_pos);
__x._M_buf_start = __x._M_tmp_buf;
__x._M_buf_end = __x._M_tmp_buf + __len;
}
break;
default:
__stl_assert(0);
}
}
// Set path and buffer inside a rope iterator. We assume that
// pos and root are already set.
template <class _CharT, class _Alloc>
void _Rope_iterator_base<_CharT,_Alloc>::_S_setcache
(_Rope_iterator_base<_CharT,_Alloc>& __x)
{
const _RopeRep* __path[_RopeRep::_S_max_rope_depth+1];
const _RopeRep* __curr_rope;
int __curr_depth = -1; /* index into path */
size_t __curr_start_pos = 0;
size_t __pos = __x._M_current_pos;
unsigned char __dirns = 0; // Bit vector marking right turns in the path
__stl_assert(__pos <= __x._M_root->_M_size);
if (__pos >= __x._M_root->_M_size) {
__x._M_buf_ptr = 0;
return;
}
__curr_rope = __x._M_root;
if (0 != __curr_rope->_M_c_string) {
/* Treat the root as a leaf. */
__x._M_buf_start = __curr_rope->_M_c_string;
__x._M_buf_end = __curr_rope->_M_c_string + __curr_rope->_M_size;
__x._M_buf_ptr = __curr_rope->_M_c_string + __pos;
__x._M_path_end[0] = __curr_rope;
__x._M_leaf_index = 0;
__x._M_leaf_pos = 0;
return;
}
for(;{
++__curr_depth;
__stl_assert(__curr_depth <= _RopeRep::_S_max_rope_depth);
__path[__curr_depth] = __curr_rope;
switch(__curr_rope->_M_tag) {
case _RopeRep::_S_leaf:
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
__x._M_leaf_pos = __curr_start_pos;
goto done;
case _RopeRep::_S_concat:
{
_Rope_RopeConcatenation<_CharT,_Alloc>* __c =
(_Rope_RopeConcatenation<_CharT,_Alloc>*)__curr_ro pe;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
__dirns <<= 1;
if (__pos >= __curr_start_pos + __left_len) {
__dirns |= 1;
__curr_rope = __c->_M_right;
__curr_start_pos += __left_len;
} else {
__curr_rope = __left;
}
}
break;
}
}
done:
// Copy last section of path into _M_path_end.
{
int __i = -1;
int __j = __curr_depth + 1 - _S_path_cache_len;
if (__j < 0) __j = 0;
while (__j <= __curr_depth) {
__x._M_path_end[++__i] = __path[__j++];
}
__x._M_leaf_index = __i;
}
__x._M_path_directions = __dirns;
_S_setbuf(__x);
}
// Specialized version of the above. Assumes that
// the path cache is valid for the previous position.
template <class _CharT, class _Alloc>
void _Rope_iterator_base<_CharT,_Alloc>::_S_setcache_fo r_incr
(_Rope_iterator_base<_CharT,_Alloc>& __x)
{
int __current_index = __x._M_leaf_index;
const _RopeRep* __current_node = __x._M_path_end[__current_index];
size_t __len = __current_node->_M_size;
size_t __node_start_pos = __x._M_leaf_pos;
unsigned char __dirns = __x._M_path_directions;
_Rope_RopeConcatenation<_CharT,_Alloc>* __c;
__stl_assert(__x._M_current_pos <= __x._M_root->_M_size);
if (__x._M_current_pos - __node_start_pos < __len) {
/* More stuff in this leaf, we just didn't cache it. */
_S_setbuf(__x);
return;
}
__stl_assert(__node_start_pos + __len == __x._M_current_pos);
// node_start_pos is starting position of last_node.
while (--__current_index >= 0) {
if (!(__dirns & 1) /* Path turned left */)
break;
__current_node = __x._M_path_end[__current_index];
__c = (_Rope_RopeConcatenation<_CharT,_Alloc>*)__current _node;
// Otherwise we were in the right child. Thus we should pop
// the concatenation node.
__node_start_pos -= __c->_M_left->_M_size;
__dirns >>= 1;
}
if (__current_index < 0) {
// We underflowed the cache. Punt.
_S_setcache(__x);
return;
}
__current_node = __x._M_path_end[__current_index];
__c = (_Rope_RopeConcatenation<_CharT,_Alloc>*)__current _node;
// current_node is a concatenation node. We are positioned on the first
// character in its right child.
// node_start_pos is starting position of current_node.
__node_start_pos += __c->_M_left->_M_size;
__current_node = __c->_M_right;
__x._M_path_end[++__current_index] = __current_node;
__dirns |= 1;
while (_RopeRep::_S_concat == __current_node->_M_tag) {
++__current_index;
if (_S_path_cache_len == __current_index) {
int __i;
for (__i = 0; __i < _S_path_cache_len-1; __i++) {
__x._M_path_end[__i] = __x._M_path_end[__i+1];
}
--__current_index;
}
__current_node =
((_Rope_RopeConcatenation<_CharT,_Alloc>*)__curren t_node)->_M_left;
__x._M_path_end[__current_index] = __current_node;
__dirns <<= 1;
// node_start_pos is unchanged.
}
__x._M_leaf_index = __current_index;
__x._M_leaf_pos = __node_start_pos;
__x._M_path_directions = __dirns;
_S_setbuf(__x);
}
template <class _CharT, class _Alloc>
void _Rope_iterator_base<_CharT,_Alloc>::_M_incr(size_t __n) {
_M_current_pos += __n;
if (0 != _M_buf_ptr) {
size_t __chars_left = _M_buf_end - _M_buf_ptr;
if (__chars_left > __n) {
_M_buf_ptr += __n;
} else if (__chars_left == __n) {
_M_buf_ptr += __n;
_S_setcache_for_incr(*this);
} else {
_M_buf_ptr = 0;
}
}
}
template <class _CharT, class _Alloc>
void _Rope_iterator_base<_CharT,_Alloc>::_M_decr(size_t __n) {
if (0 != _M_buf_ptr) {
size_t __chars_left = _M_buf_ptr - _M_buf_start;
if (__chars_left >= __n) {
_M_buf_ptr -= __n;
} else {
_M_buf_ptr = 0;
}
}
_M_current_pos -= __n;
}
template <class _CharT, class _Alloc>
void _Rope_iterator<_CharT,_Alloc>::_M_check() {
if (_M_root_rope->_M_tree_ptr != _M_root) {
// _Rope was modified. Get things fixed up.
_RopeRep::_S_unref(_M_root);
_M_root = _M_root_rope->_M_tree_ptr;
_RopeRep::_S_ref(_M_root);
_M_buf_ptr = 0;
}
}
template <class _CharT, class _Alloc>
inline
_Rope_const_iterator<_CharT, _Alloc>::_Rope_const_iterator(
const _Rope_iterator<_CharT,_Alloc>& __x)
: _Rope_iterator_base<_CharT,_Alloc>(__x)
{ }
template <class _CharT, class _Alloc>
inline _Rope_iterator<_CharT,_Alloc>::_Rope_iterator(
rope<_CharT,_Alloc>& __r, size_t __pos)
: _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr , __pos),
_M_root_rope(&__r)
{
_RopeRep::_S_ref(_M_root);
}
template <class _CharT, class _Alloc>
inline size_t
rope<_CharT,_Alloc>::_S_char_ptr_len(const _CharT* __s)
{
const _CharT* __p = __s;
while (!_S_is0(*__p)) { ++__p; }
return (__p - __s);
}
#ifndef __GC
template <class _CharT, class _Alloc>
inline void _Rope_RopeRep<_CharT,_Alloc>::_M_free_c_string()
{
_CharT* __cstr = _M_c_string;
if (0 != __cstr) {
size_t __size = _M_size + 1;
destroy(__cstr, __cstr + __size);
_Data_deallocate(__cstr, __size);
}
}
template <class _CharT, class _Alloc>
#ifdef __STL_USE_STD_ALLOCATORS
inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string(_Char T* __s,
size_t __n,
allocator_type __a)
#else
inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string(_Char T* __s,
size_t __n)
#endif
{
if (!_S_is_basic_char_type((_CharT*)0)) {
destroy(__s, __s + __n);
}
// This has to be a static member, so this gets a bit messy
# ifdef __STL_USE_STD_ALLOCATORS
__a.deallocate(
__s, _Rope_RopeLeaf<_CharT,_Alloc>::_S_rounded_up_size( __n));
# else
_Data_deallocate(
__s, _Rope_RopeLeaf<_CharT,_Alloc>::_S_rounded_up_size( __n));
# endif
}
I'm gonna know how to program a computer by the end of this thread.
// There are several reasons for not doing this with virtual destructors
// and a class specific delete operator:
// - A class specific delete operator can't easily get access to
// allocator instances if we need them.
// - Any virtual function would need a 4 or byte vtable pointer;
// this only requires a one byte tag per object.
template <class _CharT, class _Alloc>
void _Rope_RopeRep<_CharT,_Alloc>::_M_free_tree()
{
switch(_M_tag) {
case _S_leaf:
{
_Rope_RopeLeaf<_CharT,_Alloc>* __l
= (_Rope_RopeLeaf<_CharT,_Alloc>*)this;
__l->_Rope_RopeLeaf<_CharT,_Alloc>::~_Rope_RopeLeaf( );
_L_deallocate(__l, 1);
break;
}
case _S_concat:
{
_Rope_RopeConcatenation<_CharT,_Alloc>* __c
= (_Rope_RopeConcatenation<_CharT,_Alloc>*)this;
__c->_Rope_RopeConcatenation<_CharT,_Alloc>::
~_Rope_RopeConcatenation();
_C_deallocate(__c, 1);
break;
}
case _S_function:
{
_Rope_RopeFunction<_CharT,_Alloc>* __f
= (_Rope_RopeFunction<_CharT,_Alloc>*)this;
__f->_Rope_RopeFunction<_CharT,_Alloc>::~_Rope_RopeFun ction();
_F_deallocate(__f, 1);
break;
}
case _S_substringfn:
{
_Rope_RopeSubstring<_CharT,_Alloc>* __ss =
(_Rope_RopeSubstring<_CharT,_Alloc>*)this;
__ss->_Rope_RopeSubstring<_CharT,_Alloc>::
~_Rope_RopeSubstring();
_S_deallocate(__ss, 1);
break;
}
}
}
#else
template <class _CharT, class _Alloc>
#ifdef __STL_USE_STD_ALLOCATORS
inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string
(const _CharT*, size_t, allocator_type)
#else
inline void _Rope_RopeRep<_CharT,_Alloc>::_S_free_string
(const _CharT*, size_t)
#endif
{}
#endif
// Concatenate a C string onto a leaf rope by copying the rope data.
// Used for short ropes.
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeLeaf*
rope<_CharT,_Alloc>::_S_leaf_concat_char_iter
(_RopeLeaf* __r, const _CharT* __iter, size_t __len)
{
size_t __old_len = __r->_M_size;
_CharT* __new_data = (_CharT*)
_Data_allocate(_S_rounded_up_size(__old_len + __len));
_RopeLeaf* __result;
uninitialized_copy_n(__r->_M_data, __old_len, __new_data);
uninitialized_copy_n(__iter, __len, __new_data + __old_len);
_S_cond_store_eos(__new_data[__old_len + __len]);
__STL_TRY {
__result = _S_new_RopeLeaf(__new_data, __old_len + __len,
__r->get_allocator());
}
__STL_UNWIND(_RopeRep::__STL_FREE_STRING(__new_dat a, __old_len + __len,
__r->get_allocator()));
return __result;
}
#ifndef __GC
// As above, but it's OK to clobber original if refcount is 1
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeLeaf*
rope<_CharT,_Alloc>::_S_destr_leaf_concat_char_ite r
(_RopeLeaf* __r, const _CharT* __iter, size_t __len)
{
__stl_assert(__r->_M_ref_count >= 1);
if (__r->_M_ref_count > 1)
return _S_leaf_concat_char_iter(__r, __iter, __len);
size_t __old_len = __r->_M_size;
if (_S_allocated_capacity(__old_len) >= __old_len + __len) {
// The space has been partially initialized for the standard
// character types. But that doesn't matter for those types.
uninitialized_copy_n(__iter, __len, __r->_M_data + __old_len);
if (_S_is_basic_char_type((_CharT*)0)) {
_S_cond_store_eos(__r->_M_data[__old_len + __len]);
__stl_assert(__r->_M_c_string == __r->_M_data);
} else if (__r->_M_c_string != __r->_M_data && 0 != __r->_M_c_string) {
__r->_M_free_c_string();
__r->_M_c_string = 0;
}
__r->_M_size = __old_len + __len;
__stl_assert(__r->_M_ref_count == 1);
__r->_M_ref_count = 2;
return __r;
} else {
_RopeLeaf* __result = _S_leaf_concat_char_iter(__r, __iter, __len);
__stl_assert(__result->_M_ref_count == 1);
return __result;
}
}
#endif
// Assumes left and right are not 0.
// Does not increment (nor decrement on exception) child reference counts.
// Result has ref count 1.
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep*
rope<_CharT,_Alloc>::_S_tree_concat (_RopeRep* __left, _RopeRep* __right)
{
_RopeConcatenation* __result =
_S_new_RopeConcatenation(__left, __right, __left->get_allocator());
size_t __depth = __result->_M_depth;
# ifdef __STL_USE_STD_ALLOCATORS
__stl_assert(__left->get_allocator() == __right->get_allocator());
# endif
if (__depth > 20 && (__result->_M_size < 1000 ||
__depth > _RopeRep::_S_max_rope_depth)) {
_RopeRep* __balanced;
__STL_TRY {
__balanced = _S_balance(__result);
# ifndef __GC
if (__result != __balanced) {
__stl_assert(1 == __result->_M_ref_count
&& 1 == __balanced->_M_ref_count);
}
# endif
__result->_M_unref_nonnil();
}
__STL_UNWIND((_C_deallocate(__result,1)));
// In case of exception, we need to deallocate
// otherwise dangling result node. But caller
// still owns its children. Thus unref is
// inappropriate.
return __balanced;
} else {
return __result;
}
}
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep* rope<_CharT,_Alloc>::_S_concat_char_iter
(_RopeRep* __r, const _CharT*__s, size_t __slen)
{
_RopeRep* __result;
if (0 == __slen) {
_S_ref(__r);
return __r;
}
if (0 == __r)
return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
__r->get_allocator());
if (_RopeRep::_S_leaf == __r->_M_tag &&
__r->_M_size + __slen <= _S_copy_max) {
__result = _S_leaf_concat_char_iter((_RopeLeaf*)__r, __s, __slen);
# ifndef __GC
__stl_assert(1 == __result->_M_ref_count);
# endif
return __result;
}
if (_RopeRep::_S_concat == __r->_M_tag
&& _RopeRep::_S_leaf == ((_RopeConcatenation*)__r)->_M_right->_M_tag) {
_RopeLeaf* __right =
(_RopeLeaf* )(((_RopeConcatenation* )__r)->_M_right);
if (__right->_M_size + __slen <= _S_copy_max) {
_RopeRep* __left = ((_RopeConcatenation*)__r)->_M_left;
_RopeRep* __nright =
_S_leaf_concat_char_iter((_RopeLeaf*)__right, __s, __slen);
__left->_M_ref_nonnil();
__STL_TRY {
__result = _S_tree_concat(__left, __nright);
}
__STL_UNWIND(_S_unref(__left); _S_unref(__nright));
# ifndef __GC
__stl_assert(1 == __result->_M_ref_count);
# endif
return __result;
}
}
_RopeRep* __nright =
__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
__STL_TRY {
__r->_M_ref_nonnil();
__result = _S_tree_concat(__r, __nright);
}
__STL_UNWIND(_S_unref(__r); _S_unref(__nright));
# ifndef __GC
__stl_assert(1 == __result->_M_ref_count);
# endif
return __result;
}
#ifndef __GC
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep*
rope<_CharT,_Alloc>::_S_destr_concat_char_iter(
_RopeRep* __r, const _CharT* __s, size_t __slen)
{
_RopeRep* __result;
if (0 == __r)
return __STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen,
__r->get_allocator());
size_t __count = __r->_M_ref_count;
size_t __orig_size = __r->_M_size;
__stl_assert(__count >= 1);
if (__count > 1) return _S_concat_char_iter(__r, __s, __slen);
if (0 == __slen) {
__r->_M_ref_count = 2; // One more than before
return __r;
}
if (__orig_size + __slen <= _S_copy_max &&
_RopeRep::_S_leaf == __r->_M_tag) {
__result = _S_destr_leaf_concat_char_iter((_RopeLeaf*)__r, __s, __slen);
return __result;
}
if (_RopeRep::_S_concat == __r->_M_tag) {
_RopeLeaf* __right = (_RopeLeaf*)(((_RopeConcatenation*)__r)->_M_right);
if (_RopeRep::_S_leaf == __right->_M_tag
&& __right->_M_size + __slen <= _S_copy_max) {
_RopeRep* __new_right =
_S_destr_leaf_concat_char_iter(__right, __s, __slen);
if (__right == __new_right) {
__stl_assert(__new_right->_M_ref_count == 2);
__new_right->_M_ref_count = 1;
} else {
__stl_assert(__new_right->_M_ref_count >= 1);
__right->_M_unref_nonnil();
}
__stl_assert(__r->_M_ref_count == 1);
__r->_M_ref_count = 2; // One more than before.
((_RopeConcatenation*)__r)->_M_right = __new_right;
__r->_M_size = __orig_size + __slen;
if (0 != __r->_M_c_string) {
__r->_M_free_c_string();
__r->_M_c_string = 0;
}
return __r;
}
}
_RopeRep* __right =
__STL_ROPE_FROM_UNOWNED_CHAR_PTR(__s, __slen, __r->get_allocator());
__r->_M_ref_nonnil();
__STL_TRY {
__result = _S_tree_concat(__r, __right);
}
__STL_UNWIND(_S_unref(__r); _S_unref(__right))
__stl_assert(1 == __result->_M_ref_count);
return __result;
}
#endif /* !__GC */
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep*
rope<_CharT,_Alloc>::_S_concat(_RopeRep* __left, _RopeRep* __right)
{
if (0 == __left) {
_S_ref(__right);
return __right;
}
if (0 == __right) {
__left->_M_ref_nonnil();
return __left;
}
if (_RopeRep::_S_leaf == __right->_M_tag) {
if (_RopeRep::_S_leaf == __left->_M_tag) {
if (__right->_M_size + __left->_M_size <= _S_copy_max) {
return _S_leaf_concat_char_iter((_RopeLeaf*)__left,
((_RopeLeaf*)__right)->_M_data,
__right->_M_size);
}
} else if (_RopeRep::_S_concat == __left->_M_tag
&& _RopeRep::_S_leaf ==
((_RopeConcatenation*)__left)->_M_right->_M_tag) {
_RopeLeaf* __leftright =
(_RopeLeaf*)(((_RopeConcatenation*)__left)->_M_right);
if (__leftright->_M_size + __right->_M_size <= _S_copy_max) {
_RopeRep* __leftleft = ((_RopeConcatenation*)__left)->_M_left;
_RopeRep* __rest = _S_leaf_concat_char_iter(__leftright,
((_RopeLeaf*)__right)->_M_data,
__right->_M_size);
__leftleft->_M_ref_nonnil();
__STL_TRY {
return(_S_tree_concat(__leftleft, __rest));
}
__STL_UNWIND(_S_unref(__leftleft); _S_unref(__rest))
}
}
}
__left->_M_ref_nonnil();
__right->_M_ref_nonnil();
__STL_TRY {
return(_S_tree_concat(__left, __right));
}
__STL_UNWIND(_S_unref(__left); _S_unref(__right));
}
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep*
rope<_CharT,_Alloc>::_S_substring(_RopeRep* __base,
size_t __start, size_t __endp1)
{
if (0 == __base) return 0;
size_t __len = __base->_M_size;
size_t __adj_endp1;
const size_t __lazy_threshold = 128;
if (__endp1 >= __len) {
if (0 == __start) {
__base->_M_ref_nonnil();
return __base;
} else {
__adj_endp1 = __len;
}
} else {
__adj_endp1 = __endp1;
}
switch(__base->_M_tag) {
case _RopeRep::_S_concat:
{
_RopeConcatenation* __c = (_RopeConcatenation*)__base;
_RopeRep* __left = __c->_M_left;
_RopeRep* __right = __c->_M_right;
size_t __left_len = __left->_M_size;
_RopeRep* __result;
if (__adj_endp1 <= __left_len) {
return _S_substring(__left, __start, __endp1);
} else if (__start >= __left_len) {
return _S_substring(__right, __start - __left_len,
__adj_endp1 - __left_len);
}
_Self_destruct_ptr __left_result(
_S_substring(__left, __start, __left_len));
_Self_destruct_ptr __right_result(
_S_substring(__right, 0, __endp1 - __left_len));
__result = _S_concat(__left_result, __right_result);
# ifndef __GC
__stl_assert(1 == __result->_M_ref_count);
# endif
return __result;
}
case _RopeRep::_S_leaf:
{
_RopeLeaf* __l = (_RopeLeaf*)__base;
_RopeLeaf* __result;
size_t __result_len;
if (__start >= __adj_endp1) return 0;
__result_len = __adj_endp1 - __start;
if (__result_len > __lazy_threshold) goto lazy;
# ifdef __GC
const _CharT* __section = __l->_M_data + __start;
__result = _S_new_RopeLeaf(__section, __result_len,
__base->get_allocator());
__result->_M_c_string = 0; // Not eos terminated.
# else
// We should sometimes create substring node instead.
__result = __STL_ROPE_FROM_UNOWNED_CHAR_PTR(
__l->_M_data + __start, __result_len,
__base->get_allocator());
# endif
return __result;
}
case _RopeRep::_S_substringfn:
// Avoid introducing multiple layers of substring nodes.
{
_RopeSubstring* __old = (_RopeSubstring*)__base;
size_t __result_len;
if (__start >= __adj_endp1) return 0;
__result_len = __adj_endp1 - __start;
if (__result_len > __lazy_threshold) {
_RopeSubstring* __result =
_S_new_RopeSubstring(__old->_M_base,
__start + __old->_M_start,
__adj_endp1 - __start,
__base->get_allocator());
return __result;
} // *** else fall through: ***
}
case _RopeRep::_S_function:
{
_RopeFunction* __f = (_RopeFunction*)__base;
_CharT* __section;
size_t __result_len;
if (__start >= __adj_endp1) return 0;
__result_len = __adj_endp1 - __start;
if (__result_len > __lazy_threshold) goto lazy;
__section = (_CharT*)
_Data_allocate(_S_rounded_up_size(__result_len));
__STL_TRY {
(*(__f->_M_fn))(__start, __result_len, __section);
}
__STL_UNWIND(_RopeRep::__STL_FREE_STRING(
__section, __result_len, __base->get_allocator()));
_S_cond_store_eos(__section[__result_len]);
return _S_new_RopeLeaf(__section, __result_len,
__base->get_allocator());
}
}
/*NOTREACHED*/
__stl_assert(false);
lazy:
{
// Create substring node.
return _S_new_RopeSubstring(__base, __start, __adj_endp1 - __start,
__base->get_allocator());
}
}
template<class _CharT>
class _Rope_flatten_char_consumer : public _Rope_char_consumer<_CharT> {
private:
_CharT* _M_buf_ptr;
public:
_Rope_flatten_char_consumer(_CharT* __buffer) {
_M_buf_ptr = __buffer;
};
~_Rope_flatten_char_consumer() {}
bool operator() (const _CharT* __leaf, size_t __n) {
uninitialized_copy_n(__leaf, __n, _M_buf_ptr);
_M_buf_ptr += __n;
return true;
}
};
template<class _CharT>
class _Rope_find_char_char_consumer : public _Rope_char_consumer<_CharT> {
private:
_CharT _M_pattern;
public:
size_t _M_count; // Number of nonmatching characters
_Rope_find_char_char_consumer(_CharT __p)
: _M_pattern(__p), _M_count(0) {}
~_Rope_find_char_char_consumer() {}
bool operator() (const _CharT* __leaf, size_t __n) {
size_t __i;
for (__i = 0; __i < __n; __i++) {
if (__leaf[__i] == _M_pattern) {
_M_count += __i; return false;
}
}
_M_count += __n; return true;
}
};
#ifdef __STL_USE_NEW_IOSTREAMS
template<class _CharT, class _Traits>
// Here _CharT is both the stream and rope character type.
#else
template<class _CharT>
// Here _CharT is the rope character type. Unlike in the
// above case, we somewhat handle the case in which it doesn't
// match the stream character type, i.e. char.
#endif
class _Rope_insert_char_consumer : public _Rope_char_consumer<_CharT> {
private:
# ifdef __STL_USE_NEW_IOSTREAMS
typedef basic_ostream<_CharT,_Traits> _Insert_ostream;
# else
typedef ostream _Insert_ostream;
# endif
_Insert_ostream& _M_o;
public:
_Rope_insert_char_consumer(_Insert_ostream& __writer)
: _M_o(__writer) {};
~_Rope_insert_char_consumer() { };
// Caller is presumed to own the ostream
bool operator() (const _CharT* __leaf, size_t __n);
// Returns true to continue traversal.
};
#ifdef __STL_USE_NEW_IOSTREAMS
template<class _CharT, class _Traits>
bool _Rope_insert_char_consumer<_CharT, _Traits>::operator()
(const _CharT* __leaf, size_t __n)
{
size_t __i;
// We assume that formatting is set up correctly for each element.
for (__i = 0; __i < __n; __i++) _M_o.put(__leaf[__i]);
return true;
}
#else
template<class _CharT>
bool _Rope_insert_char_consumer<_CharT>::operator()
(const _CharT* __leaf, size_t __n)
{
size_t __i;
// We assume that formatting is set up correctly for each element.
for (__i = 0; __i < __n; __i++) _M_o << __leaf[__i];
return true;
}
__STL_TEMPLATE_NULL
inline bool _Rope_insert_char_consumer<char>::operator()
(const char* __leaf, size_t __n)
{
size_t __i;
for (__i = 0; __i < __n; __i++) _M_o.put(__leaf[__i]);
return true;
}
#endif
template <class _CharT, class _Alloc>
bool rope<_CharT, _Alloc>::_S_apply_to_pieces(
_Rope_char_consumer<_CharT>& __c,
const _RopeRep* __r,
size_t __begin, size_t __end)
{
if (0 == __r) return true;
switch(__r->_M_tag) {
case _RopeRep::_S_concat:
{
_RopeConcatenation* __conc = (_RopeConcatenation*)__r;
_RopeRep* __left = __conc->_M_left;
size_t __left_len = __left->_M_size;
if (__begin < __left_len) {
size_t __left_end = min(__left_len, __end);
if (!_S_apply_to_pieces(__c, __left, __begin, __left_end))
return false;
}
if (__end > __left_len) {
_RopeRep* __right = __conc->_M_right;
size_t __right_start = max(__left_len, __begin);
if (!_S_apply_to_pieces(__c, __right,
__right_start - __left_len,
__end - __left_len)) {
return false;
}
}
}
return true;
case _RopeRep::_S_leaf:
{
_RopeLeaf* __l = (_RopeLeaf*)__r;
return __c(__l->_M_data + __begin, __end - __begin);
}
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
{
_RopeFunction* __f = (_RopeFunction*)__r;
size_t __len = __end - __begin;
bool __result;
_CharT* __buffer =
(_CharT*)alloc::allocate(__len * sizeof(_CharT));
__STL_TRY {
(*(__f->_M_fn))(__begin, __len, __buffer);
__result = __c(__buffer, __len);
alloc::deallocate(__buffer, __len * sizeof(_CharT));
}
__STL_UNWIND((alloc::deallocate(__buffer,
__len * sizeof(_CharT))))
return __result;
}
default:
__stl_assert(false);
/*NOTREACHED*/
return false;
}
}
#ifdef __STL_USE_NEW_IOSTREAMS
template<class _CharT, class _Traits>
inline void _Rope_fill(basic_ostream<_CharT, _Traits>& __o, size_t __n)
#else
inline void _Rope_fill(ostream& __o, size_t __n)
#endif
{
char __f = __o.fill();
size_t __i;
for (__i = 0; __i < __n; __i++) __o.put(__f);
}
template <class _CharT> inline bool _Rope_is_simple(_CharT*) { return false; }
inline bool _Rope_is_simple(char*) { return true; }
inline bool _Rope_is_simple(wchar_t*) { return true; }
#ifdef __STL_USE_NEW_IOSTREAMS
template<class _CharT, class _Traits, class _Alloc>
basic_ostream<_CharT, _Traits>& operator<<
(basic_ostream<_CharT, _Traits>& __o,
const rope<_CharT, _Alloc>& __r)
#else
template<class _CharT, class _Alloc>
ostream& operator<< (ostream& __o, const rope<_CharT, _Alloc>& __r)
#endif
{
size_t __w = __o.width();
bool __left = bool(__o.flags() & ios::left);
size_t __pad_len;
size_t __rope_len = __r.size();
# ifdef __STL_USE_NEW_IOSTREAMS
_Rope_insert_char_consumer<_CharT, _Traits> __c(__o);
# else
_Rope_insert_char_consumer<_CharT> __c(__o);
# endif
bool __is_simple = _Rope_is_simple((_CharT*)0);
if (__rope_len < __w) {
__pad_len = __w - __rope_len;
} else {
__pad_len = 0;
}
if (!__is_simple) __o.width(__w/__rope_len);
__STL_TRY {
if (__is_simple && !__left && __pad_len > 0) {
_Rope_fill(__o, __pad_len);
}
__r.apply_to_pieces(0, __r.size(), __c);
if (__is_simple && __left && __pad_len > 0) {
_Rope_fill(__o, __pad_len);
}
if (!__is_simple)
__o.width(__w);
}
__STL_UNWIND(if (!__is_simple) __o.width(__w))
return __o;
}
template <class _CharT, class _Alloc>
_CharT*
rope<_CharT,_Alloc>::_S_flatten(_RopeRep* __r,
size_t __start, size_t __len,
_CharT* __buffer)
{
_Rope_flatten_char_consumer<_CharT> __c(__buffer);
_S_apply_to_pieces(__c, __r, __start, __start + __len);
return(__buffer + __len);
}
template <class _CharT, class _Alloc>
size_t
rope<_CharT,_Alloc>::find(_CharT __pattern, size_t __start) const
{
_Rope_find_char_char_consumer<_CharT> __c(__pattern);
_S_apply_to_pieces(__c, _M_tree_ptr, __start, size());
size_type __result_pos = __start + __c._M_count;
# ifndef __STL_OLD_ROPE_SEMANTICS
if (__result_pos == size()) __result_pos = npos;
# endif
return __result_pos;
}
template <class _CharT, class _Alloc>
_CharT*
rope<_CharT,_Alloc>::_S_flatten(_RopeRep* __r, _CharT* __buffer)
{
if (0 == __r) return __buffer;
switch(__r->_M_tag) {
case _RopeRep::_S_concat:
{
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
_RopeRep* __right = __c->_M_right;
_CharT* __rest = _S_flatten(__left, __buffer);
return _S_flatten(__right, __rest);
}
case _RopeRep::_S_leaf:
{
_RopeLeaf* __l = (_RopeLeaf*)__r;
return copy_n(__l->_M_data, __l->_M_size, __buffer).second;
}
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
// We dont yet do anything with substring nodes.
// This needs to be fixed before ropefiles will work well.
{
_RopeFunction* __f = (_RopeFunction*)__r;
(*(__f->_M_fn))(0, __f->_M_size, __buffer);
return __buffer + __f->_M_size;
}
default:
__stl_assert(false);
/*NOTREACHED*/
return 0;
}
}
// This needs work for _CharT != char
template <class _CharT, class _Alloc>
void
rope<_CharT,_Alloc>::_S_dump(_RopeRep* __r, int __indent)
{
for (int __i = 0; __i < __indent; __i++) putchar(' ');
if (0 == __r) {
printf("NULL\n"); return;
}
if (_RopeRep::_S_concat == __r->_M_tag) {
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
_RopeRep* __right = __c->_M_right;
# ifdef __GC
printf("Concatenation %p (depth = %d, len = %ld, %s balanced)\n",
__r, __r->_M_depth, __r->_M_size, __r->_M_is_balanced? "" : "not");
# else
printf("Concatenation %p (rc = %ld, depth = %d, "
"len = %ld, %s balanced)\n",
__r, __r->_M_ref_count, __r->_M_depth, __r->_M_size,
__r->_M_is_balanced? "" : "not");
# endif
_S_dump(__left, __indent + 2);
_S_dump(__right, __indent + 2);
return;
} else {
char* __kind;
switch (__r->_M_tag) {
case _RopeRep::_S_leaf:
__kind = "Leaf";
break;
case _RopeRep::_S_function:
__kind = "Function";
break;
case _RopeRep::_S_substringfn:
__kind = "Function representing substring";
break;
default:
__kind = "(corrupted kind field!)";
}
# ifdef __GC
printf("%s %p (depth = %d, len = %ld) ",
__kind, __r, __r->_M_depth, __r->_M_size);
# else
printf("%s %p (rc = %ld, depth = %d, len = %ld) ",
__kind, __r, __r->_M_ref_count, __r->_M_depth, __r->_M_size);
# endif
if (_S_is_one_byte_char_type((_CharT*)0)) {
const int __max_len = 40;
_Self_destruct_ptr __prefix(_S_substring(__r, 0, __max_len));
_CharT __buffer[__max_len + 1];
bool __too_big = __r->_M_size > __prefix->_M_size;
_S_flatten(__prefix, __buffer);
__buffer[__prefix->_M_size] = _S_eos((_CharT*)0);
printf("%s%s\n",
(char*)__buffer, __too_big? "...\n" : "\n");
} else {
printf("\n");
}
}
}
template <class _CharT, class _Alloc>
const unsigned long
rope<_CharT,_Alloc>::_S_min_len[
_Rope_RopeRep<_CharT,_Alloc>::_S_max_rope_depth + 1] = {
/* 0 */1, /* 1 */2, /* 2 */3, /* 3 */5, /* 4 */8, /* 5 */13, /* 6 */21,
/* 7 */34, /* 8 */55, /* 9 */89, /* 10 */144, /* 11 */233, /* 12 */377,
/* 13 */610, /* 14 */987, /* 15 */1597, /* 16 */2584, /* 17 */4181,
/* 18 */6765, /* 19 */10946, /* 20 */17711, /* 21 */28657, /* 22 */46368,
/* 23 */75025, /* 24 */121393, /* 25 */196418, /* 26 */317811,
/* 27 */514229, /* 28 */832040, /* 29 */1346269, /* 30 */2178309,
/* 31 */3524578, /* 32 */5702887, /* 33 */9227465, /* 34 */14930352,
/* 35 */24157817, /* 36 */39088169, /* 37 */63245986, /* 38 */102334155,
/* 39 */165580141, /* 40 */267914296, /* 41 */433494437,
/* 42 */701408733, /* 43 */1134903170, /* 44 */1836311903,
/* 45 */2971215073u };
// These are Fibonacci numbers < 2**32.
template <class _CharT, class _Alloc>
rope<_CharT,_Alloc>::_RopeRep*
rope<_CharT,_Alloc>::_S_balance(_RopeRep* __r)
{
_RopeRep* __forest[_RopeRep::_S_max_rope_depth + 1];
_RopeRep* __result = 0;
int __i;
// Invariant:
// The concatenation of forest in descending order is equal to __r.
// __forest[__i]._M_size >= _S_min_len[__i]
// __forest[__i]._M_depth = __i
// References from forest are included in refcount.
for (__i = 0; __i <= _RopeRep::_S_max_rope_depth; ++__i)
__forest[__i] = 0;
__STL_TRY {
_S_add_to_forest(__r, __forest);
for (__i = 0; __i <= _RopeRep::_S_max_rope_depth; ++__i)
if (0 != __forest[__i]) {
# ifndef __GC
_Self_destruct_ptr __old(__result);
# endif
__result = _S_concat(__forest[__i], __result);
__forest[__i]->_M_unref_nonnil();
# if !defined(__GC) && defined(__STL_USE_EXCEPTIONS)
__forest[__i] = 0;
# endif
}
}
__STL_UNWIND(for(__i = 0; __i <= _RopeRep::_S_max_rope_depth; __i++)
_S_unref(__forest[__i]))
if (__result->_M_depth > _RopeRep::_S_max_rope_depth) {
# ifdef __STL_USE_EXCEPTIONS
__STL_THROW(length_error("rope too long"));
# else
abort();
# endif
}
return(__result);
}
template <class _CharT, class _Alloc>
void
rope<_CharT,_Alloc>::_S_add_to_forest(_RopeRep* __r, _RopeRep** __forest)
{
if (__r->_M_is_balanced) {
_S_add_leaf_to_forest(__r, __forest);
return;
}
__stl_assert(__r->_M_tag == _RopeRep::_S_concat);
{
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_S_add_to_forest(__c->_M_left, __forest);
_S_add_to_forest(__c->_M_right, __forest);
}
}
template <class _CharT, class _Alloc>
void
rope<_CharT,_Alloc>::_S_add_leaf_to_forest(_RopeRe p* __r, _RopeRep** __forest)
{
_RopeRep* __insertee; // included in refcount
_RopeRep* __too_tiny = 0; // included in refcount
int __i; // forest[0..__i-1] is empty
size_t __s = __r->_M_size;
for (__i = 0; __s >= _S_min_len[__i+1]/* not this bucket */; ++__i) {
if (0 != __forest[__i]) {
# ifndef __GC
_Self_destruct_ptr __old(__too_tiny);
# endif
__too_tiny = _S_concat_and_set_balanced(__forest[__i], __too_tiny);
__forest[__i]->_M_unref_nonnil();
__forest[__i] = 0;
}
}
{
# ifndef __GC
_Self_destruct_ptr __old(__too_tiny);
# endif
__insertee = _S_concat_and_set_balanced(__too_tiny, __r);
}
// Too_tiny dead, and no longer included in refcount.
// Insertee is live and included.
__stl_assert(_S_is_almost_balanced(__insertee));
__stl_assert(__insertee->_M_depth <= __r->_M_depth + 1);
for (;; ++__i) {
if (0 != __forest[__i]) {
# ifndef __GC
_Self_destruct_ptr __old(__insertee);
# endif
__insertee = _S_concat_and_set_balanced(__forest[__i], __insertee);
__forest[__i]->_M_unref_nonnil();
__forest[__i] = 0;
__stl_assert(_S_is_almost_balanced(__insertee));
}
__stl_assert(_S_min_len[__i] <= __insertee->_M_size);
__stl_assert(__forest[__i] == 0);
if (__i == _RopeRep::_S_max_rope_depth ||
__insertee->_M_size < _S_min_len[__i+1]) {
__forest[__i] = __insertee;
// refcount is OK since __insertee is now dead.
return;
}
}
}
template <class _CharT, class _Alloc>
_CharT
rope<_CharT,_Alloc>::_S_fetch(_RopeRep* __r, size_type __i)
{
__GC_CONST _CharT* __cstr = __r->_M_c_string;
__stl_assert(__i < __r->_M_size);
if (0 != __cstr) return __cstr[__i];
for(;
switch(__r->_M_tag) {
case _RopeRep::_S_concat:
{
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
if (__i >= __left_len) {
__i -= __left_len;
__r = __c->_M_right;
} else {
__r = __left;
}
}
break;
case _RopeRep::_S_leaf:
{
_RopeLeaf* __l = (_RopeLeaf*)__r;
return __l->_M_data[__i];
}
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
{
_RopeFunction* __f = (_RopeFunction*)__r;
_CharT __result;
(*(__f->_M_fn))(__i, 1, &__result);
return __result;
}
}
}
}
# ifndef __GC
// Return a uniquely referenced character slot for the given
// position, or 0 if that's not possible.
template <class _CharT, class _Alloc>
_CharT*
rope<_CharT,_Alloc>::_S_fetch_ptr(_RopeRep* __r, size_type __i)
{
_RopeRep* __clrstack[_RopeRep::_S_max_rope_depth];
size_t __csptr = 0;
for(;
if (__r->_M_ref_count > 1) return 0;
switch(__r->_M_tag) {
case _RopeRep::_S_concat:
{
_RopeConcatenation* __c = (_RopeConcatenation*)__r;
_RopeRep* __left = __c->_M_left;
size_t __left_len = __left->_M_size;
if (__c->_M_c_string != 0) __clrstack[__csptr++] = __c;
if (__i >= __left_len) {
__i -= __left_len;
__r = __c->_M_right;
} else {
__r = __left;
}
}
break;
case _RopeRep::_S_leaf:
{
_RopeLeaf* __l = (_RopeLeaf*)__r;
if (__l->_M_c_string != __l->_M_data && __l->_M_c_string != 0)
__clrstack[__csptr++] = __l;
while (__csptr > 0) {
-- __csptr;
_RopeRep* __d = __clrstack[__csptr];
__d->_M_free_c_string();
__d->_M_c_string = 0;
}
return __l->_M_data + __i;
}
case _RopeRep::_S_function:
case _RopeRep::_S_substringfn:
return 0;
}
}
}
# endif /* __GC */
// The following could be implemented trivially using
// lexicographical_compare_3way.
// We do a little more work to avoid dealing with rope iterators for
// flat strings.
template <class _CharT, class _Alloc>
int
rope<_CharT,_Alloc>::_S_compare (const _RopeRep* __left,
const _RopeRep* __right)
{
size_t __left_len;
size_t __right_len;
if (0 == __right) return 0 != __left;
if (0 == __left) return -1;
__left_len = __left->_M_size;
__right_len = __right->_M_size;
if (_RopeRep::_S_leaf == __left->_M_tag) {
_RopeLeaf* __l = (_RopeLeaf*) __left;
if (_RopeRep::_S_leaf == __right->_M_tag) {
_RopeLeaf* __r = (_RopeLeaf*) __right;
return lexicographical_compare_3way(
__l->_M_data, __l->_M_data + __left_len,
__r->_M_data, __r->_M_data + __right_len);
} else {
const_iterator __rstart(__right, 0);
const_iterator __rend(__right, __right_len);
return lexicographical_compare_3way(
__l->_M_data, __l->_M_data + __left_len,
__rstart, __rend);
}
} else {
const_iterator __lstart(__left, 0);
const_iterator __lend(__left, __left_len);
if (_RopeRep::_S_leaf == __right->_M_tag) {
_RopeLeaf* __r = (_RopeLeaf*) __right;
return lexicographical_compare_3way(
__lstart, __lend,
__r->_M_data, __r->_M_data + __right_len);
} else {
const_iterator __rstart(__right, 0);
const_iterator __rend(__right, __right_len);
return lexicographical_compare_3way(
__lstart, __lend,
__rstart, __rend);
}
}
}
// Assignment to reference proxies.
template <class _CharT, class _Alloc>
_Rope_char_ref_proxy<_CharT, _Alloc>&
_Rope_char_ref_proxy<_CharT, _Alloc>::operator= (_CharT __c) {
_RopeRep* __old = _M_root->_M_tree_ptr;
# ifndef __GC
// First check for the case in which everything is uniquely
// referenced. In that case we can do this destructively.
_CharT* __ptr = _My_rope::_S_fetch_ptr(__old, _M_pos);
if (0 != __ptr) {
*__ptr = __c;
return *this;
}
# endif
_Self_destruct_ptr __left(
_My_rope::_S_substring(__old, 0, _M_pos));
_Self_destruct_ptr __right(
_My_rope::_S_substring(__old, _M_pos+1, __old->_M_size));
_Self_destruct_ptr __result_left(
_My_rope::_S_destr_concat_char_iter(__left, &__c, 1));
# ifndef __GC
__stl_assert(__left == __result_left || 1 == __result_left->_M_ref_count);
# endif
_RopeRep* __result =
_My_rope::_S_concat(__result_left, __right);
# ifndef __GC
__stl_assert(1 <= __result->_M_ref_count);
_RopeRep::_S_unref(__old);
# endif
_M_root->_M_tree_ptr = __result;
return *this;
}
template <class _CharT, class _Alloc>
inline _Rope_char_ref_proxy<_CharT, _Alloc>::operator _CharT () const
{
if (_M_current_valid) {
return _M_current;
} else {
return _My_rope::_S_fetch(_M_root->_M_tree_ptr, _M_pos);
}
}
template <class _CharT, class _Alloc>
_Rope_char_ptr_proxy<_CharT, _Alloc>
_Rope_char_ref_proxy<_CharT, _Alloc>::operator& () const {
return _Rope_char_ptr_proxy<_CharT, _Alloc>(*this);
}
template <class _CharT, class _Alloc>
rope<_CharT, _Alloc>::rope(size_t __n, _CharT __c,
const allocator_type& __a)
: _Base(__a)
{
rope<_CharT,_Alloc> __result;
const size_t __exponentiate_threshold = 32;
size_t __exponent;
size_t __rest;
_CharT* __rest_buffer;
_RopeRep* __remainder;
rope<_CharT,_Alloc> __remainder_rope;
if (0 == __n)
return;
__exponent = __n / __exponentiate_threshold;
__rest = __n % __exponentiate_threshold;
if (0 == __rest) {
__remainder = 0;
} else {
__rest_buffer = _Data_allocate(_S_rounded_up_size(__rest));
uninitialized_fill_n(__rest_buffer, __rest, __c);
_S_cond_store_eos(__rest_buffer[__rest]);
__STL_TRY {
__remainder = _S_new_RopeLeaf(__rest_buffer, __rest, __a);
}
__STL_UNWIND(_RopeRep::__STL_FREE_STRING(__rest_bu ffer, __rest, __a))
}
__remainder_rope._M_tree_ptr = __remainder;
if (__exponent != 0) {
_CharT* __base_buffer =
_Data_allocate(_S_rounded_up_size(__exponentiate_t hreshold));
_RopeLeaf* __base_leaf;
rope __base_rope;
uninitialized_fill_n(__base_buffer, __exponentiate_threshold, __c);
_S_cond_store_eos(__base_buffer[__exponentiate_threshold]);
__STL_TRY {
__base_leaf = _S_new_RopeLeaf(__base_buffer,
__exponentiate_threshold, __a);
}
__STL_UNWIND(_RopeRep::__STL_FREE_STRING(__base_bu ffer,
__exponentiate_threshold, __a))
__base_rope._M_tree_ptr = __base_leaf;
if (1 == __exponent) {
__result = __base_rope;
# ifndef __GC
__stl_assert(2 == __result._M_tree_ptr->_M_ref_count);
// One each for base_rope and __result
# endif
} else {
__result = power(__base_rope, __exponent,
_Rope_Concat_fn<_CharT,_Alloc>());
}
if (0 != __remainder) {
__result += __remainder_rope;
}
} else {
__result = __remainder_rope;
}
_M_tree_ptr = __result._M_tree_ptr;
_M_tree_ptr->_M_ref_nonnil();
}
template<class _CharT, class _Alloc>
_CharT rope<_CharT,_Alloc>::_S_empty_c_str[1];
template<class _CharT, class _Alloc>
const _CharT* rope<_CharT,_Alloc>::c_str() const {
if (0 == _M_tree_ptr) {
_S_empty_c_str[0] = _S_eos((_CharT*)0); // Possibly redundant,
// but probably fast.
return _S_empty_c_str;
}
__GC_CONST _CharT* __old_c_string = _M_tree_ptr->_M_c_string;
if (0 != __old_c_string) return(__old_c_string);
size_t __s = size();
_CharT* __result = _Data_allocate(__s + 1);
_S_flatten(_M_tree_ptr, __result);
__result[__s] = _S_eos((_CharT*)0);
# ifdef __GC
_M_tree_ptr->_M_c_string = __result;
# else
if ((__old_c_string = (__GC_CONST _CharT*)
_Atomic_swap((unsigned long *)(&(_M_tree_ptr->_M_c_string)),
(unsigned long)__result)) != 0) {
// It must have been added in the interim. Hence it had to have been
// separately allocated. Deallocate the old copy, since we just
// replaced it.
destroy(__old_c_string, __old_c_string + __s + 1);
_Data_deallocate(__old_c_string, __s + 1);
}
# endif
return(__result);
}
template<class _CharT, class _Alloc>
const _CharT* rope<_CharT,_Alloc>::replace_with_c_str() {
if (0 == _M_tree_ptr) {
_S_empty_c_str[0] = _S_eos((_CharT*)0);
return _S_empty_c_str;
}
__GC_CONST _CharT* __old_c_string = _M_tree_ptr->_M_c_string;
if (_RopeRep::_S_leaf == _M_tree_ptr->_M_tag && 0 != __old_c_string) {
return(__old_c_string);
}
size_t __s = size();
_CharT* __result = _Data_allocate(_S_rounded_up_size(__s));
_S_flatten(_M_tree_ptr, __result);
__result[__s] = _S_eos((_CharT*)0);
_M_tree_ptr->_M_unref_nonnil();
_M_tree_ptr = _S_new_RopeLeaf(__result, __s, get_allocator());
return(__result);
}
// Algorithm specializations. More should be added.
template<class _Rope_iterator> // was templated on CharT and Alloc
void // VC++ workaround
_Rope_rotate(_Rope_iterator __first,
_Rope_iterator __middle,
_Rope_iterator __last)
{
typedef typename _Rope_iterator::value_type _CharT;
typedef typename _Rope_iterator::_allocator_type _Alloc;
__stl_assert(__first.container() == __middle.container()
&& __middle.container() == __last.container());
rope<_CharT,_Alloc>& __r(__first.container());
rope<_CharT,_Alloc> __prefix = __r.substr(0, __first.index());
rope<_CharT,_Alloc> __suffix =
__r.substr(__last.index(), __r.size() - __last.index());
rope<_CharT,_Alloc> __part1 =
__r.substr(__middle.index(), __last.index() - __middle.index());
rope<_CharT,_Alloc> __part2 =
__r.substr(__first.index(), __middle.index() - __first.index());
__r = __prefix;
__r += __part1;
__r += __part2;
__r += __suffix;
}
#if !defined(__GNUC__)
// Appears to confuse g++
inline void rotate(_Rope_iterator<char,__STL_DEFAULT_ALLOCATOR (char)> __first,
_Rope_iterator<char,__STL_DEFAULT_ALLOCATOR(char)> __middle,
_Rope_iterator<char,__STL_DEFAULT_ALLOCATOR(char)> __last) {
_Rope_rotate(__first, __middle, __last);
}
#endif
# if 0
// Probably not useful for several reasons:
// - for SGIs 7.1 compiler and probably some others,
// this forces lots of rope<wchar_t, ...> instantiations, creating a
// code bloat and compile time problem. (Fixed in 7.2.)
// - wchar_t is 4 bytes wide on most UNIX platforms, making it unattractive
// for unicode strings. Unsigned short may be a better character
// type.
inline void rotate(
_Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(cha r)> __first,
_Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(cha r)> __middle,
_Rope_iterator<wchar_t,__STL_DEFAULT_ALLOCATOR(cha r)> __last) {
_Rope_rotate(__first, __middle, __last);
}
# endif
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma reset woff 1174
#endif
__STL_END_NAMESPACE
// Local Variables:
// mode:C++
// End:
/*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef STL_SEQUENCE_CONCEPTS_H
#define STL_SEQUENCE_CONCEPTS_H
#include <container_concepts.h>
#ifdef __STL_USE_CONCEPT_CHECKS
// This file covers the following concepts:
// _Sequence
// _FrontInsertionSequence
// _BackInsertionSequence
struct _ERROR_IN_STL_SEQ {
template <class _XX>
static void
__fill_constructor_requirement_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
typename _XX::difference_type __n = typename _XX::difference_type();
_XX __x(__n, __t);
__sink_unused_warning(__x);
}
template <class _XX>
static void
__fill_default_constructor_requirement_violation(_ XX& __s) {
_STL_ERROR::__default_constructor_requirement_viol ation(*__s.begin());
typename _XX::difference_type __n = typename _XX::difference_type();
_XX __x(__n);
__sink_unused_warning(__x);
}
template <class _XX>
static void
__range_constructor_requirement_violation(_XX& __s) {
_XX __x(__s.begin(), __s.end());
__sink_unused_warning(__x);
}
template <class _XX>
static void
__insert_function_requirement_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
typename _XX::iterator __p = typename _XX::iterator();
__p = __s.insert(__p, __t);
}
template <class _XX>
static void
__fill_insert_function_requirement_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
typename _XX::iterator __p = typename _XX::iterator();
typename _XX::difference_type __n = typename _XX::difference_type();
__s.insert(__p, __n, __t);
}
template <class _XX>
static void
__range_insert_function_requirement_violation(_XX& __s) {
typename _XX::iterator __p = typename _XX::iterator();
typename _XX::iterator __i = typename _XX::iterator();
typename _XX::iterator __j = typename _XX::iterator();
__s.insert(__p, __i, __j);
}
template <class _XX>
static void
__insert_element_function_requirement_violation(_X X& __s) {
typename _XX::value_type __t = typename _XX::value_type();
std::pair<typename _XX::iterator, bool> __r;
__r = __s.insert(__t);
__sink_unused_warning(__r);
}
template <class _XX>
static void
__unconditional_insert_element_function_requiremen t_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
typename _XX::iterator __p;
__p = __s.insert(__t);
__sink_unused_warning(__p);
}
template <class _XX>
static void
__erase_function_requirement_violation(_XX& __s) {
typename _XX::iterator __p = typename _XX::iterator();
__p = __s.erase(__p);
}
template <class _XX>
static void
__range_erase_function_requirement_violation(_XX& __s) {
typename _XX::iterator __p = typename _XX::iterator();
typename _XX::iterator __q = typename _XX::iterator();
__p = __s.erase(__p, __q);
}
template <class _XX>
static void
__const_front_function_requirement_violation(const _XX& __s) {
typename _XX::const_reference __t = __s.front();
__sink_unused_warning(__t);
}
template <class _XX>
static void
__front_function_requirement_violation(_XX& __s) {
typename _XX::reference __t = __s.front();
__const_front_function_requirement_violation(__s);
__sink_unused_warning(__t);
}
template <class _XX>
static void
__const_back_function_requirement_violation(const _XX& __s) {
typename _XX::const_reference __t = __s.back();
__sink_unused_warning(__t);
}
template <class _XX>
static void
__back_function_requirement_violation(_XX& __s) {
typename _XX::reference __t = __s.back();
__const_back_function_requirement_violation(__s);
__sink_unused_warning(__t);
}
template <class _XX>
static void
__push_front_function_requirement_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
__s.push_front(__t);
}
template <class _XX>
static void
__pop_front_function_requirement_violation(_XX& __s) {
__s.pop_front();
}
template <class _XX>
static void
__push_back_function_requirement_violation(_XX& __s) {
typename _XX::value_type __t = typename _XX::value_type();
__s.push_back(__t);
}
template <class _XX>
static void
__pop_back_function_requirement_violation(_XX& __s) {
__s.pop_back();
}
};
/* Sequence Containers */
template <class _Sequence>
struct _Sequence_concept_specification {
static void
_Sequence_requirement_violation(_Sequence __s) {
// Refinement of ForwardContainer
_ForwardContainer_concept_specification<_Sequence> ::_ForwardContainer_requirement_violation(__s);
// Refinement of DefaultConstructible
_DefaultConstructible_concept_specification<_Seque nce>::_DefaultConstructible_requirement_violation( __s);
// Valid Expressions
_ERROR_IN_STL_SEQ::__fill_constructor_requirement_ violation(__s);
_ERROR_IN_STL_SEQ::__fill_default_constructor_requ irement_violation(__s);
_ERROR_IN_STL_SEQ::__range_constructor_requirement _violation(__s);
_ERROR_IN_STL_SEQ::__insert_function_requirement_v iolation(__s);
_ERROR_IN_STL_SEQ::__fill_insert_function_requirem ent_violation(__s);
_ERROR_IN_STL_SEQ::__range_insert_function_require ment_violation(__s);
_ERROR_IN_STL_SEQ::__erase_function_requirement_vi olation(__s);
_ERROR_IN_STL_SEQ::__range_erase_function_requirem ent_violation(__s);
_ERROR_IN_STL_SEQ::__front_function_requirement_vi olation(__s);
}
};
template <class _FrontInsertionSequence>
struct _FrontInsertionSequence_concept_specification {
static void
_FrontInsertionSequence_requirement_violation(_Fro ntInsertionSequence __s) {
// Refinement of Sequence
_Sequence_concept_specification<_FrontInsertionSeq uence>::_Sequence_requirement_violation(__s);
// Valid Expressions
_ERROR_IN_STL_SEQ::__push_front_function_requireme nt_violation(__s);
_ERROR_IN_STL_SEQ::__pop_front_function_requiremen t_violation(__s);
}
};
template <class _BackInsertionSequence>
struct _BackInsertionSequence_concept_specification {
static void
_BackInsertionSequence_requirement_violation(_Back InsertionSequence __s) {
// Refinement of Sequence
_Sequence_concept_specification<_BackInsertionSequ ence>::_Sequence_requirement_violation(__s);
// Valid Expressions
_ERROR_IN_STL_SEQ::__back_function_requirement_vio lation(__s);
_ERROR_IN_STL_SEQ::__push_back_function_requiremen t_violation(__s);
_ERROR_IN_STL_SEQ::__pop_back_function_requirement _violation(__s);
}
};
#endif /* if __STL_USE_CONCEPT_CHECKS */
#endif /* STL_SEQUENCE_CONCEPTS_H */
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef __SGI_STL_SET
#define __SGI_STL_SET
#ifndef __SGI_STL_INTERNAL_TREE_H
#include <stl_tree.h>
#endif
#include <stl_set.h>
#include <stl_multiset.h>
#endif /* __SGI_STL_SET */
// Local Variables:
// mode:C++
// End:
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef __SGI_STL_SET_H
#define __SGI_STL_SET_H
#ifndef __SGI_STL_INTERNAL_TREE_H
#include <stl_tree.h>
#endif
#include <algobase.h>
#include <alloc.h>
#include <stl_set.h>
#ifdef __STL_USE_NAMESPACES
using __STD::rb_tree;
using __STD::set;
#endif /* __STL_USE_NAMESPACES */
#endif /* __SGI_STL_SET_H */
// Local Variables:
// mode:C++
// End:
Kobe Bryant has reportedly appeared in a gay sex tape, though the flimsy rumor from a gossip website has sparked anger among some Los Angeles Lakers fans.
The report alleges that the NBA All-Star appears in an explicit video with a man who plays basketball for Cal State Bernadino. There is also a video that reportedly shows the tryst, though details are far from specific.
The Kobe Bryant gay sex tape report originated from MediaTakeOut.com a gossip site that reported “your fav player on the Los Angeles Lakers gets caught up in gay sex scandal… they got him on tape!”
/*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef __SGI_STL_SLIST
#define __SGI_STL_SLIST
#include <stl_algobase.h>
#include <stl_alloc.h>
#include <stl_construct.h>
#include <stl_uninitialized.h>
#include <stl_slist.h>
#endif /* __SGI_STL_SLIST */
// Local Variables:
// mode:C++
// End:
/*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef __SGI_STL_SLIST_H
#define __SGI_STL_SLIST_H
#include <algobase.h>
#include <alloc.h>
#include <stl_slist.h>
#ifdef __STL_USE_NAMESPACES
using __STD::slist;
#endif /* __STL_USE_NAMESPACES */
#endif /* __SGI_STL_SLIST_H */
// Local Variables:
// mode:C++
// End:
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef __SGI_STL_STACK
#define __SGI_STL_STACK
#include <stl_algobase.h>
#include <stl_alloc.h>
#include <stl_construct.h>
#include <stl_uninitialized.h>
#include <stl_deque.h>
#include <stl_stack.h>
#endif /* __SGI_STL_STACK */
// Local Variables:
// mode:C++
// End:
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef __SGI_STL_STACK_H
#define __SGI_STL_STACK_H
#include <vector.h>
#include <deque.h>
#include <heap.h>
#include <stl_stack.h>
#include <stl_queue.h>
#ifdef __STL_USE_NAMESPACES
using __STD::stack;
using __STD::queue;
using __STD::priority_queue;
#endif /* __STL_USE_NAMESPACES */
#endif /* __SGI_STL_STACK_H */
// Local Variables:
// mode:C++
// End:
Kobe Bryant has reportedly appeared in a gay sex tape, though the flimsy rumor from a gossip website has sparked anger among some Los Angeles Lakers fans.
The report alleges that the NBA All-Star appears in an explicit video with a man who plays basketball for Cal State Bernadino. There is also a video that reportedly shows the tryst, though details are far from specific.
The Kobe Bryant gay sex tape report originated from MediaTakeOut.com a gossip site that reported “your fav player on the Los Angeles Lakers gets caught up in gay sex scandal… they got him on tape!”
/*
* Copyright (c) 1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
#ifndef __SGI_STDEXCEPT
#define __SGI_STDEXCEPT
#include <stl_exception.h>
#if defined(__STL_USE_EXCEPTIONS) || \
!(defined(_MIPS_SIM) && defined(_ABIO32) && _MIPS_SIM == _ABIO32)
#include <stl_string_fwd.h>
__STL_BEGIN_NAMESPACE
class __Named_exception : public __STL_EXCEPTION_BASE {
public:
__Named_exception(const string& __str) {
strncpy(_M_name, __get_c_string(__str), _S_bufsize);
_M_name[_S_bufsize - 1] = '\0';
}
virtual const char* what() const __STL_NOTHROW { return _M_name; }
private:
enum { _S_bufsize = 256 };
char _M_name[_S_bufsize];
};
class logic_error : public __Named_exception {
public:
logic_error(const string& __s) : __Named_exception(__s) {}
};
class runtime_error : public __Named_exception {
public:
runtime_error(const string& __s) : __Named_exception(__s) {}
};
class domain_error : public logic_error {
public:
domain_error(const string& __arg) : logic_error(__arg) {}
};
class invalid_argument : public logic_error {
public:
invalid_argument(const string& __arg) : logic_error(__arg) {}
};
class length_error : public logic_error {
public:
length_error(const string& __arg) : logic_error(__arg) {}
};
class out_of_range : public logic_error {
public:
out_of_range(const string& __arg) : logic_error(__arg) {}
};
class range_error : public runtime_error {
public:
range_error(const string& __arg) : runtime_error(__arg) {}
};
class overflow_error : public runtime_error {
public:
overflow_error(const string& __arg) : runtime_error(__arg) {}
};
class underflow_error : public runtime_error {
public:
underflow_error(const string& __arg) : runtime_error(__arg) {}
};
__STL_END_NAMESPACE
#ifndef __SGI_STL_STRING
#include <string>
#endif
#endif /* Not o32, and no exceptions */
#endif /* __SGI_STDEXCEPT */
// Local Variables:
// mode:C++
// End:
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_INTERNAL_ALGO_H
#define __SGI_STL_INTERNAL_ALGO_H
#include <stl_heap.h>
// See concept_checks.h for the concept-checking macros
// __STL_REQUIRES, __STL_CONVERTIBLE, etc.
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1209
#endif
// __median (an extension, not present in the C++ standard).
template <class _Tp>
inline const _Tp& __median(const _Tp& __a, const _Tp& __b, const _Tp& __c) {
__STL_REQUIRES(_Tp, _LessThanComparable);
if (__a < __b)
if (__b < __c)
return __b;
else if (__a < __c)
return __c;
else
return __a;
else if (__a < __c)
return __a;
else if (__b < __c)
return __c;
else
return __b;
}
template <class _Tp, class _Compare>
inline const _Tp&
__median(const _Tp& __a, const _Tp& __b, const _Tp& __c, _Compare __comp) {
__STL_BINARY_FUNCTION_CHECK(_Compare, bool, _Tp, _Tp);
if (__comp(__a, __b))
if (__comp(__b, __c))
return __b;
else if (__comp(__a, __c))
return __c;
else
return __a;
else if (__comp(__a, __c))
return __a;
else if (__comp(__b, __c))
return __c;
else
return __b;
}
// for_each. Apply a function to every element of a range.
template <class _Inpu er, class _Function>
_Function for_each(_Inpu er __first, _Inpu er __last, _Function __f) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
for ( ; __first != __last; ++__first)
__f(*__first);
return __f;
}
// find and find_if.
template <class _Inpu er, class _Tp>
inline _Inpu er find(_Inpu er __first, _Inpu er __last,
const _Tp& __val,
input_iterator_tag)
{
while (__first != __last && !(*__first == __val))
++__first;
return __first;
}
template <class _Inpu er, class _Predicate>
inline _Inpu er find_if(_Inpu er __first, _Inpu er __last,
_Predicate __pred,
input_iterator_tag)
{
while (__first != __last && !__pred(*__first))
++__first;
return __first;
}
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _RandomAccessIter, class _Tp>
_RandomAccessIter find(_RandomAccessIter __first, _RandomAccessIter __last,
const _Tp& __val,
random_access_iterator_tag)
{
typename iterator_traits<_RandomAccessIter>::difference_typ e __trip_count
= (__last - __first) >> 2;
for ( ; __trip_count > 0 ; --__trip_count) {
if (*__first == __val) return __first;
++__first;
if (*__first == __val) return __first;
++__first;
if (*__first == __val) return __first;
++__first;
if (*__first == __val) return __first;
++__first;
}
switch(__last - __first) {
case 3:
if (*__first == __val) return __first;
++__first;
case 2:
if (*__first == __val) return __first;
++__first;
case 1:
if (*__first == __val) return __first;
++__first;
case 0:
default:
return __last;
}
}
template <class _RandomAccessIter, class _Predicate>
_RandomAccessIter find_if(_RandomAccessIter __first, _RandomAccessIter __last,
_Predicate __pred,
random_access_iterator_tag)
{
typename iterator_traits<_RandomAccessIter>::difference_typ e __trip_count
= (__last - __first) >> 2;
for ( ; __trip_count > 0 ; --__trip_count) {
if (__pred(*__first)) return __first;
++__first;
if (__pred(*__first)) return __first;
++__first;
if (__pred(*__first)) return __first;
++__first;
if (__pred(*__first)) return __first;
++__first;
}
switch(__last - __first) {
case 3:
if (__pred(*__first)) return __first;
++__first;
case 2:
if (__pred(*__first)) return __first;
++__first;
case 1:
if (__pred(*__first)) return __first;
++__first;
case 0:
default:
return __last;
}
}
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _Inpu er, class _Tp>
inline _Inpu er find(_Inpu er __first, _Inpu er __last,
const _Tp& __val)
{
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_Inpu er>::value_type, _Tp);
return find(__first, __last, __val, __ITERATOR_CATEGORY(__first));
}
template <class _Inpu er, class _Predicate>
inline _Inpu er find_if(_Inpu er __first, _Inpu er __last,
_Predicate __pred) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_Inpu er>::value_type);
return find_if(__first, __last, __pred, __ITERATOR_CATEGORY(__first));
}
// adjacent_find.
template <class _ForwardIter>
_ForwardIter adjacent_find(_ForwardIter __first, _ForwardIter __last) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_EqualityComparable);
if (__first == __last)
return __last;
_ForwardIter __next = __first;
while(++__next != __last) {
if (*__first == *__next)
return __first;
__first = __next;
}
return __last;
}
template <class _ForwardIter, class _BinaryPredicate>
_ForwardIter adjacent_find(_ForwardIter __first, _ForwardIter __last,
_BinaryPredicate __binary_pred) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
if (__first == __last)
return __last;
_ForwardIter __next = __first;
while(++__next != __last) {
if (__binary_pred(*__first, *__next))
return __first;
__first = __next;
}
return __last;
}
// count and count_if. There are two version of each, one whose return type
// type is void and one (present only if we have partial specialization)
// whose return type is iterator_traits<_Inpu er>::difference_type. The
// C++ standard only has the latter version, but the former, which was present
// in the HP STL, is retained for backward compatibility.
template <class _Inpu er, class _Tp, class _Size>
void count(_Inpu er __first, _Inpu er __last, const _Tp& __value,
_Size& __n) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er>::value_type,
_EqualityComparable);
__STL_REQUIRES(_Tp, _EqualityComparable);
for ( ; __first != __last; ++__first)
if (*__first == __value)
++__n;
}
template <class _Inpu er, class _Predicate, class _Size>
void count_if(_Inpu er __first, _Inpu er __last, _Predicate __pred,
_Size& __n) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_Inpu er>::value_type);
for ( ; __first != __last; ++__first)
if (__pred(*__first))
++__n;
}
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _Inpu er, class _Tp>
typename iterator_traits<_Inpu er>::difference_type
count(_Inpu er __first, _Inpu er __last, const _Tp& __value) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er>::value_type,
_EqualityComparable);
__STL_REQUIRES(_Tp, _EqualityComparable);
typename iterator_traits<_Inpu er>::difference_type __n = 0;
for ( ; __first != __last; ++__first)
if (*__first == __value)
++__n;
return __n;
}
template <class _Inpu er, class _Predicate>
typename iterator_traits<_Inpu er>::difference_type
count_if(_Inpu er __first, _Inpu er __last, _Predicate __pred) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_Inpu er>::value_type);
typename iterator_traits<_Inpu er>::difference_type __n = 0;
for ( ; __first != __last; ++__first)
if (__pred(*__first))
++__n;
return __n;
}
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
// search.
template <class _ForwardIter1, class _ForwardIter2>
_ForwardIter1 search(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2)
{
__STL_REQUIRES(_ForwardIter1, _ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _ForwardIterator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
// Test for empty ranges
if (__first1 == __last1 || __first2 == __last2)
return __first1;
// Test for a pattern of length 1.
_ForwardIter2 __tmp(__first2);
++__tmp;
if (__tmp == __last2)
return find(__first1, __last1, *__first2);
// General case.
_ForwardIter2 __p1, __p;
__p1 = __first2; ++__p1;
_ForwardIter1 __current = __first1;
while (__first1 != __last1) {
__first1 = find(__first1, __last1, *__first2);
if (__first1 == __last1)
return __last1;
__p = __p1;
__current = __first1;
if (++__current == __last1)
return __last1;
while (*__current == *__p) {
if (++__p == __last2)
return __first1;
if (++__current == __last1)
return __last1;
}
++__first1;
}
return __first1;
}
template <class _ForwardIter1, class _ForwardIter2, class _BinaryPred>
_ForwardIter1 search(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2,
_BinaryPred __predicate)
{
__STL_REQUIRES(_ForwardIter1, _ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPred, bool,
typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
// Test for empty ranges
if (__first1 == __last1 || __first2 == __last2)
return __first1;
// Test for a pattern of length 1.
_ForwardIter2 __tmp(__first2);
++__tmp;
if (__tmp == __last2) {
while (__first1 != __last1 && !__predicate(*__first1, *__first2))
++__first1;
return __first1;
}
// General case.
_ForwardIter2 __p1, __p;
__p1 = __first2; ++__p1;
_ForwardIter1 __current = __first1;
while (__first1 != __last1) {
while (__first1 != __last1) {
if (__predicate(*__first1, *__first2))
break;
++__first1;
}
while (__first1 != __last1 && !__predicate(*__first1, *__first2))
++__first1;
if (__first1 == __last1)
return __last1;
__p = __p1;
__current = __first1;
if (++__current == __last1) return __last1;
while (__predicate(*__current, *__p)) {
if (++__p == __last2)
return __first1;
if (++__current == __last1)
return __last1;
}
++__first1;
}
return __first1;
}
// search_n. Search for __count consecutive copies of __val.
template <class _ForwardIter, class _Integer, class _Tp>
_ForwardIter search_n(_ForwardIter __first, _ForwardIter __last,
_Integer __count, const _Tp& __val) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_EqualityComparable);
__STL_REQUIRES(_Tp, _EqualityComparable);
if (__count <= 0)
return __first;
else {
__first = find(__first, __last, __val);
while (__first != __last) {
_Integer __n = __count - 1;
_ForwardIter __i = __first;
++__i;
while (__i != __last && __n != 0 && *__i == __val) {
++__i;
--__n;
}
if (__n == 0)
return __first;
else
__first = find(__i, __last, __val);
}
return __last;
}
}
template <class _ForwardIter, class _Integer, class _Tp, class _BinaryPred>
_ForwardIter search_n(_ForwardIter __first, _ForwardIter __last,
_Integer __count, const _Tp& __val,
_BinaryPred __binary_pred) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPred, bool,
typename iterator_traits<_ForwardIter>::value_type, _Tp);
if (__count <= 0)
return __first;
else {
while (__first != __last) {
if (__binary_pred(*__first, __val))
break;
++__first;
}
while (__first != __last) {
_Integer __n = __count - 1;
_ForwardIter __i = __first;
++__i;
while (__i != __last && __n != 0 && __binary_pred(*__i, __val)) {
++__i;
--__n;
}
if (__n == 0)
return __first;
else {
while (__i != __last) {
if (__binary_pred(*__i, __val))
break;
++__i;
}
__first = __i;
}
}
return __last;
}
}
// swap_ranges
template <class _ForwardIter1, class _ForwardIter2>
_ForwardIter2 swap_ranges(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2) {
__STL_REQUIRES(_ForwardIter1, _Mutable_ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _Mutable_ForwardIterator);
__STL_CONVERTIBLE(typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
__STL_CONVERTIBLE(typename iterator_traits<_ForwardIter2>::value_type,
typename iterator_traits<_ForwardIter1>::value_type);
for ( ; __first1 != __last1; ++__first1, ++__first2)
iter_swap(__first1, __first2);
return __first2;
}
// transform
template <class _Inpu er, class _Outpu er, class _UnaryOperation>
_Outpu er transform(_Inpu er __first, _Inpu er __last,
_Outpu er __result, _UnaryOperation __opr) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
for ( ; __first != __last; ++__first, ++__result)
*__result = __opr(*__first);
return __result;
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _BinaryOperation>
_Outpu er transform(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Outpu er __result,
_BinaryOperation __binary_op) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
for ( ; __first1 != __last1; ++__first1, ++__first2, ++__result)
*__result = __binary_op(*__first1, *__first2);
return __result;
}
// replace, replace_if, replace_copy, replace_copy_if
template <class _ForwardIter, class _Tp>
void replace(_ForwardIter __first, _ForwardIter __last,
const _Tp& __old_value, const _Tp& __new_value) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_ForwardIter>::value_type, _Tp);
__STL_CONVERTIBLE(_Tp, typename iterator_traits<_ForwardIter>::value_type);
for ( ; __first != __last; ++__first)
if (*__first == __old_value)
*__first = __new_value;
}
template <class _ForwardIter, class _Predicate, class _Tp>
void replace_if(_ForwardIter __first, _ForwardIter __last,
_Predicate __pred, const _Tp& __new_value) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_CONVERTIBLE(_Tp, typename iterator_traits<_ForwardIter>::value_type);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_ForwardIter>::value_type);
for ( ; __first != __last; ++__first)
if (__pred(*__first))
*__first = __new_value;
}
template <class _Inpu er, class _Outpu er, class _Tp>
_Outpu er replace_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
const _Tp& __old_value, const _Tp& __new_value) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_Inpu er>::value_type, _Tp);
for ( ; __first != __last; ++__first, ++__result)
*__result = *__first == __old_value ? __new_value : *__first;
return __result;
}
template <class _Inpu er, class _Outpu er, class _Predicate, class _Tp>
_Outpu er replace_copy_if(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
_Predicate __pred, const _Tp& __new_value) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_Inpu er>::value_type);
for ( ; __first != __last; ++__first, ++__result)
*__result = __pred(*__first) ? __new_value : *__first;
return __result;
}
// generate and generate_n
template <class _ForwardIter, class _Generator>
void generate(_ForwardIter __first, _ForwardIter __last, _Generator __gen) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_GENERATOR_CHECK(_Generator,
typename iterator_traits<_ForwardIter>::value_type);
for ( ; __first != __last; ++__first)
*__first = __gen();
}
template <class _Outpu er, class _Size, class _Generator>
_Outpu er generate_n(_Outpu er __first, _Size __n, _Generator __gen) {
__STL_REQUIRES(_Outpu er, _Outpu erator);
for ( ; __n > 0; --__n, ++__first)
*__first = __gen();
return __first;
}
// remove, remove_if, remove_copy, remove_copy_if
template <class _Inpu er, class _Outpu er, class _Tp>
_Outpu er remove_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result, const _Tp& __value) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_Inpu er>::value_type, _Tp);
for ( ; __first != __last; ++__first)
if (!(*__first == __value)) {
*__result = *__first;
++__result;
}
return __result;
}
template <class _Inpu er, class _Outpu er, class _Predicate>
_Outpu er remove_copy_if(_Inpu er __first, _Inpu er __last,
_Outpu er __result, _Predicate __pred) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_Inpu er>::value_type);
for ( ; __first != __last; ++__first)
if (!__pred(*__first)) {
*__result = *__first;
++__result;
}
return __result;
}
template <class _ForwardIter, class _Tp>
_ForwardIter remove(_ForwardIter __first, _ForwardIter __last,
const _Tp& __value) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_ForwardIter>::value_type, _Tp);
__STL_CONVERTIBLE(_Tp, typename iterator_traits<_ForwardIter>::value_type);
__first = find(__first, __last, __value);
_ForwardIter __i = __first;
return __first == __last ? __first
: remove_copy(++__i, __last, __first, __value);
}
template <class _ForwardIter, class _Predicate>
_ForwardIter remove_if(_ForwardIter __first, _ForwardIter __last,
_Predicate __pred) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_ForwardIter>::value_type);
__first = find_if(__first, __last, __pred);
_ForwardIter __i = __first;
return __first == __last ? __first
: remove_copy_if(++__i, __last, __first, __pred);
}
// unique and unique_copy
template <class _Inpu er, class _Outpu er, class _Tp>
_Outpu er __unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result, _Tp*) {
_Tp __value = *__first;
*__result = __value;
while (++__first != __last)
if (!(__value == *__first)) {
__value = *__first;
*++__result = __value;
}
return ++__result;
}
template <class _Inpu er, class _Outpu er>
inline _Outpu er __unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
output_iterator_tag) {
return __unique_copy(__first, __last, __result, __VALUE_TYPE(__first));
}
template <class _Inpu er, class _ForwardIter>
_ForwardIter __unique_copy(_Inpu er __first, _Inpu er __last,
_ForwardIter __result, forward_iterator_tag) {
*__result = *__first;
while (++__first != __last)
if (!(*__result == *__first))
*++__result = *__first;
return ++__result;
}
template <class _Inpu er, class _Outpu er>
inline _Outpu er unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er>::value_type,
_EqualityComparable);
if (__first == __last) return __result;
return __unique_copy(__first, __last, __result,
__ITERATOR_CATEGORY(__result));
}
template <class _Inpu er, class _Outpu er, class _BinaryPredicate,
class _Tp>
_Outpu er __unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
_BinaryPredicate __binary_pred, _Tp*) {
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool, _Tp, _Tp);
_Tp __value = *__first;
*__result = __value;
while (++__first != __last)
if (!__binary_pred(__value, *__first)) {
__value = *__first;
*++__result = __value;
}
return ++__result;
}
template <class _Inpu er, class _Outpu er, class _BinaryPredicate>
inline _Outpu er __unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
_BinaryPredicate __binary_pred,
output_iterator_tag) {
return __unique_copy(__first, __last, __result, __binary_pred,
__VALUE_TYPE(__first));
}
template <class _Inpu er, class _ForwardIter, class _BinaryPredicate>
_ForwardIter __unique_copy(_Inpu er __first, _Inpu er __last,
_ForwardIter __result,
_BinaryPredicate __binary_pred,
forward_iterator_tag) {
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_Inpu er>::value_type);
*__result = *__first;
while (++__first != __last)
if (!__binary_pred(*__result, *__first)) *++__result = *__first;
return ++__result;
}
template <class _Inpu er, class _Outpu er, class _BinaryPredicate>
inline _Outpu er unique_copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
_BinaryPredicate __binary_pred) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
if (__first == __last) return __result;
return __unique_copy(__first, __last, __result, __binary_pred,
__ITERATOR_CATEGORY(__result));
}
template <class _ForwardIter>
_ForwardIter unique(_ForwardIter __first, _ForwardIter __last) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_EqualityComparable);
__first = adjacent_find(__first, __last);
return unique_copy(__first, __last, __first);
}
template <class _ForwardIter, class _BinaryPredicate>
_ForwardIter unique(_ForwardIter __first, _ForwardIter __last,
_BinaryPredicate __binary_pred) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
__first = adjacent_find(__first, __last, __binary_pred);
return unique_copy(__first, __last, __first, __binary_pred);
}
// reverse and reverse_copy, and their auxiliary functions
template <class _BidirectionalIter>
void __reverse(_BidirectionalIter __first, _BidirectionalIter __last,
bidirectional_iterator_tag) {
while (true)
if (__first == __last || __first == --__last)
return;
else
iter_swap(__first++, __last);
}
template <class _RandomAccessIter>
void __reverse(_RandomAccessIter __first, _RandomAccessIter __last,
random_access_iterator_tag) {
while (__first < __last)
iter_swap(__first++, --__last);
}
template <class _BidirectionalIter>
inline void reverse(_BidirectionalIter __first, _BidirectionalIter __last) {
__STL_REQUIRES(_BidirectionalIter, _Mutable_BidirectionalIterator);
__reverse(__first, __last, __ITERATOR_CATEGORY(__first));
}
template <class _BidirectionalIter, class _Outpu er>
_Outpu er reverse_copy(_BidirectionalIter __first,
_BidirectionalIter __last,
_Outpu er __result) {
__STL_REQUIRES(_BidirectionalIter, _BidirectionalIterator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
while (__first != __last) {
--__last;
*__result = *__last;
++__result;
}
return __result;
}
// rotate and rotate_copy, and their auxiliary functions
template <class _EuclideanRingElement>
_EuclideanRingElement __gcd(_EuclideanRingElement __m,
_EuclideanRingElement __n)
{
while (__n != 0) {
_EuclideanRingElement __t = __m % __n;
__m = __n;
__n = __t;
}
return __m;
}
template <class _ForwardIter, class _Distance>
_ForwardIter __rotate(_ForwardIter __first,
_ForwardIter __middle,
_ForwardIter __last,
_Distance*,
forward_iterator_tag) {
if (__first == __middle)
return __last;
if (__last == __middle)
return __first;
_ForwardIter __first2 = __middle;
do {
swap(*__first++, *__first2++);
if (__first == __middle)
__middle = __first2;
} while (__first2 != __last);
_ForwardIter __new_middle = __first;
__first2 = __middle;
while (__first2 != __last) {
swap (*__first++, *__first2++);
if (__first == __middle)
__middle = __first2;
else if (__first2 == __last)
__first2 = __middle;
}
return __new_middle;
}
template <class _BidirectionalIter, class _Distance>
_BidirectionalIter __rotate(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last,
_Distance*,
bidirectional_iterator_tag) {
__STL_REQUIRES(_BidirectionalIter, _Mutable_BidirectionalIterator);
if (__first == __middle)
return __last;
if (__last == __middle)
return __first;
__reverse(__first, __middle, bidirectional_iterator_tag());
__reverse(__middle, __last, bidirectional_iterator_tag());
while (__first != __middle && __middle != __last)
swap (*__first++, *--__last);
if (__first == __middle) {
__reverse(__middle, __last, bidirectional_iterator_tag());
return __last;
}
else {
__reverse(__first, __middle, bidirectional_iterator_tag());
return __first;
}
}
template <class _RandomAccessIter, class _Distance, class _Tp>
_RandomAccessIter __rotate(_RandomAccessIter __first,
_RandomAccessIter __middle,
_RandomAccessIter __last,
_Distance *, _Tp *) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
_Distance __n = __last - __first;
_Distance __k = __middle - __first;
_Distance __l = __n - __k;
_RandomAccessIter __result = __first + (__last - __middle);
if (__k == 0)
return __last;
else if (__k == __l) {
swap_ranges(__first, __middle, __middle);
return __result;
}
_Distance __d = __gcd(__n, __k);
for (_Distance __i = 0; __i < __d; __i++) {
_Tp __tmp = *__first;
_RandomAccessIter __p = __first;
if (__k < __l) {
for (_Distance __j = 0; __j < __l/__d; __j++) {
if (__p > __first + __l) {
*__p = *(__p - __l);
__p -= __l;
}
*__p = *(__p + __k);
__p += __k;
}
}
else {
for (_Distance __j = 0; __j < __k/__d - 1; __j ++) {
if (__p < __last - __k) {
*__p = *(__p + __k);
__p += __k;
}
*__p = * (__p - __l);
__p -= __l;
}
}
*__p = __tmp;
++__first;
}
return __result;
}
template <class _ForwardIter>
inline _ForwardIter rotate(_ForwardIter __first, _ForwardIter __middle,
_ForwardIter __last) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
return __rotate(__first, __middle, __last,
__DISTANCE_TYPE(__first),
__ITERATOR_CATEGORY(__first));
}
template <class _ForwardIter, class _Outpu er>
_Outpu er rotate_copy(_ForwardIter __first, _ForwardIter __middle,
_ForwardIter __last, _Outpu er __result) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
return copy(__first, __middle, copy(__middle, __last, __result));
}
// Return a random number in the range [0, __n). This function encapsulates
// whether we're using rand (part of the standard C library) or lrand48
// (not standard, but a much better choice whenever it's available).
template <class _Distance>
inline _Distance __random_number(_Distance __n) {
#ifdef __STL_NO_DRAND48
return rand() % __n;
#else
return lrand48() % __n;
#endif
}
// random_shuffle
template <class _RandomAccessIter>
inline void random_shuffle(_RandomAccessIter __first,
_RandomAccessIter __last) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
if (__first == __last) return;
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
iter_swap(__i, __first + __random_number((__i - __first) + 1));
}
template <class _RandomAccessIter, class _RandomNumberGenerator>
void random_shuffle(_RandomAccessIter __first, _RandomAccessIter __last,
_RandomNumberGenerator& __rand) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
if (__first == __last) return;
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
iter_swap(__i, __first + __rand((__i - __first) + 1));
}
// random_sample and random_sample_n (extensions, not part of the standard).
template <class _ForwardIter, class _Outpu er, class _Distance>
_Outpu er random_sample_n(_ForwardIter __first, _ForwardIter __last,
_Outpu er __out, const _Distance __n)
{
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
_Distance __remaining = 0;
distance(__first, __last, __remaining);
_Distance __m = min(__n, __remaining);
while (__m > 0) {
if (__random_number(__remaining) < __m) {
*__out = *__first;
++__out;
--__m;
}
--__remaining;
++__first;
}
return __out;
}
template <class _ForwardIter, class _Outpu er, class _Distance,
class _RandomNumberGenerator>
_Outpu er random_sample_n(_ForwardIter __first, _ForwardIter __last,
_Outpu er __out, const _Distance __n,
_RandomNumberGenerator& __rand)
{
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_UNARY_FUNCTION_CHECK(_RandomNumberGenerator, _Distance, _Distance);
_Distance __remaining = 0;
distance(__first, __last, __remaining);
_Distance __m = min(__n, __remaining);
while (__m > 0) {
if (__rand(__remaining) < __m) {
*__out = *__first;
++__out;
--__m;
}
--__remaining;
++__first;
}
return __out;
}
template <class _Inpu er, class _RandomAccessIter, class _Distance>
_RandomAccessIter __random_sample(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __out,
const _Distance __n)
{
_Distance __m = 0;
_Distance __t = __n;
for ( ; __first != __last && __m < __n; ++__m, ++__first)
__out[__m] = *__first;
while (__first != __last) {
++__t;
_Distance __M = __random_number(__t);
if (__M < __n)
__out[__M] = *__first;
++__first;
}
return __out + __m;
}
template <class _Inpu er, class _RandomAccessIter,
class _RandomNumberGenerator, class _Distance>
_RandomAccessIter __random_sample(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __out,
_RandomNumberGenerator& __rand,
const _Distance __n)
{
__STL_UNARY_FUNCTION_CHECK(_RandomNumberGenerator, _Distance, _Distance);
_Distance __m = 0;
_Distance __t = __n;
for ( ; __first != __last && __m < __n; ++__m, ++__first)
__out[__m] = *__first;
while (__first != __last) {
++__t;
_Distance __M = __rand(__t);
if (__M < __n)
__out[__M] = *__first;
++__first;
}
return __out + __m;
}
template <class _Inpu er, class _RandomAccessIter>
inline _RandomAccessIter
random_sample(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __out_first, _RandomAccessIter __out_last)
{
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
return __random_sample(__first, __last,
__out_first, __out_last - __out_first);
}
template <class _Inpu er, class _RandomAccessIter,
class _RandomNumberGenerator>
inline _RandomAccessIter
random_sample(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __out_first, _RandomAccessIter __out_last,
_RandomNumberGenerator& __rand)
{
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
return __random_sample(__first, __last,
__out_first, __rand,
__out_last - __out_first);
}
// par ion, stable_par ion, and their auxiliary functions
template <class _ForwardIter, class _Predicate>
_ForwardIter __par ion(_ForwardIter __first,
_ForwardIter __last,
_Predicate __pred,
forward_iterator_tag) {
if (__first == __last) return __first;
while (__pred(*__first))
if (++__first == __last) return __first;
_ForwardIter __next = __first;
while (++__next != __last)
if (__pred(*__next)) {
swap(*__first, *__next);
++__first;
}
return __first;
}
template <class _BidirectionalIter, class _Predicate>
_BidirectionalIter __par ion(_BidirectionalIter __first,
_BidirectionalIter __last,
_Predicate __pred,
bidirectional_iterator_tag) {
while (true) {
while (true)
if (__first == __last)
return __first;
else if (__pred(*__first))
++__first;
else
break;
--__last;
while (true)
if (__first == __last)
return __first;
else if (!__pred(*__last))
--__last;
else
break;
iter_swap(__first, __last);
++__first;
}
}
template <class _ForwardIter, class _Predicate>
inline _ForwardIter par ion(_ForwardIter __first,
_ForwardIter __last,
_Predicate __pred) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_ForwardIter>::value_type);
return __par ion(__first, __last, __pred, __ITERATOR_CATEGORY(__first));
}
template <class _ForwardIter, class _Predicate, class _Distance>
_ForwardIter __inplace_stable_par ion(_ForwardIter __first,
_ForwardIter __last,
_Predicate __pred, _Distance __len) {
if (__len == 1)
return __pred(*__first) ? __last : __first;
_ForwardIter __middle = __first;
advance(__middle, __len / 2);
return rotate(__inplace_stable_par ion(__first, __middle, __pred,
__len / 2),
__middle,
__inplace_stable_par ion(__middle, __last, __pred,
__len - __len / 2));
}
template <class _ForwardIter, class _Pointer, class _Predicate,
class _Distance>
_ForwardIter __stable_par ion_adaptive(_ForwardIter __first,
_ForwardIter __last,
_Predicate __pred, _Distance __len,
_Pointer __buffer,
_Distance __buffer_size)
{
if (__len <= __buffer_size) {
_ForwardIter __result1 = __first;
_Pointer __result2 = __buffer;
for ( ; __first != __last ; ++__first)
if (__pred(*__first)) {
*__result1 = *__first;
++__result1;
}
else {
*__result2 = *__first;
++__result2;
}
copy(__buffer, __result2, __result1);
return __result1;
}
else {
_ForwardIter __middle = __first;
advance(__middle, __len / 2);
return rotate(__stable_par ion_adaptive(
__first, __middle, __pred,
__len / 2, __buffer, __buffer_size),
__middle,
__stable_par ion_adaptive(
__middle, __last, __pred,
__len - __len / 2, __buffer, __buffer_size));
}
}
template <class _ForwardIter, class _Predicate, class _Tp, class _Distance>
inline _ForwardIter
__stable_par ion_aux(_ForwardIter __first, _ForwardIter __last,
_Predicate __pred, _Tp*, _Distance*)
{
_Temporary_buffer<_ForwardIter, _Tp> __buf(__first, __last);
if (__buf.size() > 0)
return __stable_par ion_adaptive(__first, __last, __pred,
_Distance(__buf.requested_size()),
__buf.begin(), __buf.size());
else
return __inplace_stable_par ion(__first, __last, __pred,
_Distance(__buf.requested_size()));
}
template <class _ForwardIter, class _Predicate>
inline _ForwardIter stable_par ion(_ForwardIter __first,
_ForwardIter __last,
_Predicate __pred) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
__STL_UNARY_FUNCTION_CHECK(_Predicate, bool,
typename iterator_traits<_ForwardIter>::value_type);
if (__first == __last)
return __first;
else
return __stable_par ion_aux(__first, __last, __pred,
__VALUE_TYPE(__first),
__DISTANCE_TYPE(__first));
}
template <class _RandomAccessIter, class _Tp>
_RandomAccessIter __unguarded_par ion(_RandomAccessIter __first,
_RandomAccessIter __last,
_Tp __pivot)
{
while (true) {
while (*__first < __pivot)
++__first;
--__last;
while (__pivot < *__last)
--__last;
if (!(__first < __last))
return __first;
iter_swap(__first, __last);
++__first;
}
}
template <class _RandomAccessIter, class _Tp, class _Compare>
_RandomAccessIter __unguarded_par ion(_RandomAccessIter __first,
_RandomAccessIter __last,
_Tp __pivot, _Compare __comp)
{
while (true) {
while (__comp(*__first, __pivot))
++__first;
--__last;
while (__comp(__pivot, *__last))
--__last;
if (!(__first < __last))
return __first;
iter_swap(__first, __last);
++__first;
}
}
const int __stl_threshold = 16;
// sort() and its auxiliary functions.
template <class _RandomAccessIter, class _Tp>
void __unguarded_linear_insert(_RandomAccessIter __last, _Tp __val) {
_RandomAccessIter __next = __last;
--__next;
while (__val < *__next) {
*__last = *__next;
__last = __next;
--__next;
}
*__last = __val;
}
template <class _RandomAccessIter, class _Tp, class _Compare>
void __unguarded_linear_insert(_RandomAccessIter __last, _Tp __val,
_Compare __comp) {
_RandomAccessIter __next = __last;
--__next;
while (__comp(__val, *__next)) {
*__last = *__next;
__last = __next;
--__next;
}
*__last = __val;
}
template <class _RandomAccessIter, class _Tp>
inline void __linear_insert(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*) {
_Tp __val = *__last;
if (__val < *__first) {
copy_backward(__first, __last, __last + 1);
*__first = __val;
}
else
__unguarded_linear_insert(__last, __val);
}
template <class _RandomAccessIter, class _Tp, class _Compare>
inline void __linear_insert(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*, _Compare __comp) {
_Tp __val = *__last;
if (__comp(__val, *__first)) {
copy_backward(__first, __last, __last + 1);
*__first = __val;
}
else
__unguarded_linear_insert(__last, __val, __comp);
}
template <class _RandomAccessIter>
void __insertion_sort(_RandomAccessIter __first, _RandomAccessIter __last) {
if (__first == __last) return;
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
__linear_insert(__first, __i, __VALUE_TYPE(__first));
}
template <class _RandomAccessIter, class _Compare>
void __insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last, _Compare __comp) {
if (__first == __last) return;
for (_RandomAccessIter __i = __first + 1; __i != __last; ++__i)
__linear_insert(__first, __i, __VALUE_TYPE(__first), __comp);
}
template <class _RandomAccessIter, class _Tp>
void __unguarded_insertion_sort_aux(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*) {
for (_RandomAccessIter __i = __first; __i != __last; ++__i)
__unguarded_linear_insert(__i, _Tp(*__i));
}
template <class _RandomAccessIter>
inline void __unguarded_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last) {
__unguarded_insertion_sort_aux(__first, __last, __VALUE_TYPE(__first));
}
template <class _RandomAccessIter, class _Tp, class _Compare>
void __unguarded_insertion_sort_aux(_RandomAccessIter __first,
_RandomAccessIter __last,
_Tp*, _Compare __comp) {
for (_RandomAccessIter __i = __first; __i != __last; ++__i)
__unguarded_linear_insert(__i, _Tp(*__i), __comp);
}
template <class _RandomAccessIter, class _Compare>
inline void __unguarded_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last,
_Compare __comp) {
__unguarded_insertion_sort_aux(__first, __last, __VALUE_TYPE(__first),
__comp);
}
template <class _RandomAccessIter>
void __final_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last) {
if (__last - __first > __stl_threshold) {
__insertion_sort(__first, __first + __stl_threshold);
__unguarded_insertion_sort(__first + __stl_threshold, __last);
}
else
__insertion_sort(__first, __last);
}
template <class _RandomAccessIter, class _Compare>
void __final_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last, _Compare __comp) {
if (__last - __first > __stl_threshold) {
__insertion_sort(__first, __first + __stl_threshold, __comp);
__unguarded_insertion_sort(__first + __stl_threshold, __last, __comp);
}
else
__insertion_sort(__first, __last, __comp);
}
template <class _Size>
inline _Size __lg(_Size __n) {
_Size __k;
for (__k = 0; __n != 1; __n >>= 1) ++__k;
return __k;
}
template <class _RandomAccessIter, class _Tp, class _Size>
void __introsort_loop(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*,
_Size __depth_limit)
{
while (__last - __first > __stl_threshold) {
if (__depth_limit == 0) {
partial_sort(__first, __last, __last);
return;
}
--__depth_limit;
_RandomAccessIter __cut =
__unguarded_par ion(__first, __last,
_Tp(__median(*__first,
*(__first + (__last - __first)/2),
*(__last - 1))));
__introsort_loop(__cut, __last, (_Tp*) 0, __depth_limit);
__last = __cut;
}
}
template <class _RandomAccessIter, class _Tp, class _Size, class _Compare>
void __introsort_loop(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*,
_Size __depth_limit, _Compare __comp)
{
while (__last - __first > __stl_threshold) {
if (__depth_limit == 0) {
partial_sort(__first, __last, __last, __comp);
return;
}
--__depth_limit;
_RandomAccessIter __cut =
__unguarded_par ion(__first, __last,
_Tp(__median(*__first,
*(__first + (__last - __first)/2),
*(__last - 1), __comp)),
__comp);
__introsort_loop(__cut, __last, (_Tp*) 0, __depth_limit, __comp);
__last = __cut;
}
}
template <class _RandomAccessIter>
inline void sort(_RandomAccessIter __first, _RandomAccessIter __last) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
if (__first != __last) {
__introsort_loop(__first, __last,
__VALUE_TYPE(__first),
__lg(__last - __first) * 2);
__final_insertion_sort(__first, __last);
}
}
template <class _RandomAccessIter, class _Compare>
inline void sort(_RandomAccessIter __first, _RandomAccessIter __last,
_Compare __comp) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
if (__first != __last) {
__introsort_loop(__first, __last,
__VALUE_TYPE(__first),
__lg(__last - __first) * 2,
__comp);
__final_insertion_sort(__first, __last, __comp);
}
}
// stable_sort() and its auxiliary functions.
template <class _RandomAccessIter>
void __inplace_stable_sort(_RandomAccessIter __first,
_RandomAccessIter __last) {
if (__last - __first < 15) {
__insertion_sort(__first, __last);
return;
}
_RandomAccessIter __middle = __first + (__last - __first) / 2;
__inplace_stable_sort(__first, __middle);
__inplace_stable_sort(__middle, __last);
__merge_without_buffer(__first, __middle, __last,
__middle - __first,
__last - __middle);
}
template <class _RandomAccessIter, class _Compare>
void __inplace_stable_sort(_RandomAccessIter __first,
_RandomAccessIter __last, _Compare __comp) {
if (__last - __first < 15) {
__insertion_sort(__first, __last, __comp);
return;
}
_RandomAccessIter __middle = __first + (__last - __first) / 2;
__inplace_stable_sort(__first, __middle, __comp);
__inplace_stable_sort(__middle, __last, __comp);
__merge_without_buffer(__first, __middle, __last,
__middle - __first,
__last - __middle,
__comp);
}
template <class _RandomAccessIter1, class _RandomAccessIter2,
class _Distance>
void __merge_sort_loop(_RandomAccessIter1 __first,
_RandomAccessIter1 __last,
_RandomAccessIter2 __result, _Distance __step_size) {
_Distance __two_step = 2 * __step_size;
while (__last - __first >= __two_step) {
__result = merge(__first, __first + __step_size,
__first + __step_size, __first + __two_step,
__result);
__first += __two_step;
}
__step_size = min(_Distance(__last - __first), __step_size);
merge(__first, __first + __step_size, __first + __step_size, __last,
__result);
}
template <class _RandomAccessIter1, class _RandomAccessIter2,
class _Distance, class _Compare>
void __merge_sort_loop(_RandomAccessIter1 __first,
_RandomAccessIter1 __last,
_RandomAccessIter2 __result, _Distance __step_size,
_Compare __comp) {
_Distance __two_step = 2 * __step_size;
while (__last - __first >= __two_step) {
__result = merge(__first, __first + __step_size,
__first + __step_size, __first + __two_step,
__result,
__comp);
__first += __two_step;
}
__step_size = min(_Distance(__last - __first), __step_size);
merge(__first, __first + __step_size,
__first + __step_size, __last,
__result,
__comp);
}
const int __stl_chunk_size = 7;
template <class _RandomAccessIter, class _Distance>
void __chunk_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last, _Distance __chunk_size)
{
while (__last - __first >= __chunk_size) {
__insertion_sort(__first, __first + __chunk_size);
__first += __chunk_size;
}
__insertion_sort(__first, __last);
}
template <class _RandomAccessIter, class _Distance, class _Compare>
void __chunk_insertion_sort(_RandomAccessIter __first,
_RandomAccessIter __last,
_Distance __chunk_size, _Compare __comp)
{
while (__last - __first >= __chunk_size) {
__insertion_sort(__first, __first + __chunk_size, __comp);
__first += __chunk_size;
}
__insertion_sort(__first, __last, __comp);
}
template <class _RandomAccessIter, class _Pointer, class _Distance>
void __merge_sort_with_buffer(_RandomAccessIter __first,
_RandomAccessIter __last,
_Pointer __buffer, _Distance*) {
_Distance __len = __last - __first;
_Pointer __buffer_last = __buffer + __len;
_Distance __step_size = __stl_chunk_size;
__chunk_insertion_sort(__first, __last, __step_size);
while (__step_size < __len) {
__merge_sort_loop(__first, __last, __buffer, __step_size);
__step_size *= 2;
__merge_sort_loop(__buffer, __buffer_last, __first, __step_size);
__step_size *= 2;
}
}
template <class _RandomAccessIter, class _Pointer, class _Distance,
class _Compare>
void __merge_sort_with_buffer(_RandomAccessIter __first,
_RandomAccessIter __last, _Pointer __buffer,
_Distance*, _Compare __comp) {
_Distance __len = __last - __first;
_Pointer __buffer_last = __buffer + __len;
_Distance __step_size = __stl_chunk_size;
__chunk_insertion_sort(__first, __last, __step_size, __comp);
while (__step_size < __len) {
__merge_sort_loop(__first, __last, __buffer, __step_size, __comp);
__step_size *= 2;
__merge_sort_loop(__buffer, __buffer_last, __first, __step_size, __comp);
__step_size *= 2;
}
}
template <class _RandomAccessIter, class _Pointer, class _Distance>
void __stable_sort_adaptive(_RandomAccessIter __first,
_RandomAccessIter __last, _Pointer __buffer,
_Distance __buffer_size) {
_Distance __len = (__last - __first + 1) / 2;
_RandomAccessIter __middle = __first + __len;
if (__len > __buffer_size) {
__stable_sort_adaptive(__first, __middle, __buffer, __buffer_size);
__stable_sort_adaptive(__middle, __last, __buffer, __buffer_size);
}
else {
__merge_sort_with_buffer(__first, __middle, __buffer, (_Distance*)0);
__merge_sort_with_buffer(__middle, __last, __buffer, (_Distance*)0);
}
__merge_adaptive(__first, __middle, __last, _Distance(__middle - __first),
_Distance(__last - __middle), __buffer, __buffer_size);
}
template <class _RandomAccessIter, class _Pointer, class _Distance,
class _Compare>
void __stable_sort_adaptive(_RandomAccessIter __first,
_RandomAccessIter __last, _Pointer __buffer,
_Distance __buffer_size, _Compare __comp) {
_Distance __len = (__last - __first + 1) / 2;
_RandomAccessIter __middle = __first + __len;
if (__len > __buffer_size) {
__stable_sort_adaptive(__first, __middle, __buffer, __buffer_size,
__comp);
__stable_sort_adaptive(__middle, __last, __buffer, __buffer_size,
__comp);
}
else {
__merge_sort_with_buffer(__first, __middle, __buffer, (_Distance*)0,
__comp);
__merge_sort_with_buffer(__middle, __last, __buffer, (_Distance*)0,
__comp);
}
__merge_adaptive(__first, __middle, __last, _Distance(__middle - __first),
_Distance(__last - __middle), __buffer, __buffer_size,
__comp);
}
template <class _RandomAccessIter, class _Tp, class _Distance>
inline void __stable_sort_aux(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*, _Distance*) {
_Temporary_buffer<_RandomAccessIter, _Tp> buf(__first, __last);
if (buf.begin() == 0)
__inplace_stable_sort(__first, __last);
else
__stable_sort_adaptive(__first, __last, buf.begin(),
_Distance(buf.size()));
}
template <class _RandomAccessIter, class _Tp, class _Distance, class _Compare>
inline void __stable_sort_aux(_RandomAccessIter __first,
_RandomAccessIter __last, _Tp*, _Distance*,
_Compare __comp) {
_Temporary_buffer<_RandomAccessIter, _Tp> buf(__first, __last);
if (buf.begin() == 0)
__inplace_stable_sort(__first, __last, __comp);
else
__stable_sort_adaptive(__first, __last, buf.begin(),
_Distance(buf.size()),
__comp);
}
template <class _RandomAccessIter>
inline void stable_sort(_RandomAccessIter __first,
_RandomAccessIter __last) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
__stable_sort_aux(__first, __last,
__VALUE_TYPE(__first),
__DISTANCE_TYPE(__first));
}
template <class _RandomAccessIter, class _Compare>
inline void stable_sort(_RandomAccessIter __first,
_RandomAccessIter __last, _Compare __comp) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
__stable_sort_aux(__first, __last,
__VALUE_TYPE(__first),
__DISTANCE_TYPE(__first),
__comp);
}
// partial_sort, partial_sort_copy, and auxiliary functions.
template <class _RandomAccessIter, class _Tp>
void __partial_sort(_RandomAccessIter __first, _RandomAccessIter __middle,
_RandomAccessIter __last, _Tp*) {
make_heap(__first, __middle);
for (_RandomAccessIter __i = __middle; __i < __last; ++__i)
if (*__i < *__first)
__pop_heap(__first, __middle, __i, _Tp(*__i),
__DISTANCE_TYPE(__first));
sort_heap(__first, __middle);
}
template <class _RandomAccessIter>
inline void partial_sort(_RandomAccessIter __first,
_RandomAccessIter __middle,
_RandomAccessIter __last) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
__partial_sort(__first, __middle, __last, __VALUE_TYPE(__first));
}
template <class _RandomAccessIter, class _Tp, class _Compare>
void __partial_sort(_RandomAccessIter __first, _RandomAccessIter __middle,
_RandomAccessIter __last, _Tp*, _Compare __comp) {
make_heap(__first, __middle, __comp);
for (_RandomAccessIter __i = __middle; __i < __last; ++__i)
if (__comp(*__i, *__first))
__pop_heap(__first, __middle, __i, _Tp(*__i), __comp,
__DISTANCE_TYPE(__first));
sort_heap(__first, __middle, __comp);
}
template <class _RandomAccessIter, class _Compare>
inline void partial_sort(_RandomAccessIter __first,
_RandomAccessIter __middle,
_RandomAccessIter __last, _Compare __comp) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
__partial_sort(__first, __middle, __last, __VALUE_TYPE(__first), __comp);
}
template <class _Inpu er, class _RandomAccessIter, class _Distance,
class _Tp>
_RandomAccessIter __partial_sort_copy(_Inpu er __first,
_Inpu er __last,
_RandomAccessIter __result_first,
_RandomAccessIter __result_last,
_Distance*, _Tp*) {
if (__result_first == __result_last) return __result_last;
_RandomAccessIter __result_real_last = __result_first;
while(__first != __last && __result_real_last != __result_last) {
*__result_real_last = *__first;
++__result_real_last;
++__first;
}
make_heap(__result_first, __result_real_last);
while (__first != __last) {
if (*__first < *__result_first)
__adjust_heap(__result_first, _Distance(0),
_Distance(__result_real_last - __result_first),
_Tp(*__first));
++__first;
}
sort_heap(__result_first, __result_real_last);
return __result_real_last;
}
template <class _Inpu er, class _RandomAccessIter>
inline _RandomAccessIter
partial_sort_copy(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __result_first,
_RandomAccessIter __result_last) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_CONVERTIBLE(typename iterator_traits<_Inpu er>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
__STL_REQUIRES(typename iterator_traits<_Inpu er>::value_type,
_LessThanComparable);
return __partial_sort_copy(__first, __last, __result_first, __result_last,
__DISTANCE_TYPE(__result_first),
__VALUE_TYPE(__first));
}
template <class _Inpu er, class _RandomAccessIter, class _Compare,
class _Distance, class _Tp>
_RandomAccessIter __partial_sort_copy(_Inpu er __first,
_Inpu er __last,
_RandomAccessIter __result_first,
_RandomAccessIter __result_last,
_Compare __comp, _Distance*, _Tp*) {
if (__result_first == __result_last) return __result_last;
_RandomAccessIter __result_real_last = __result_first;
while(__first != __last && __result_real_last != __result_last) {
*__result_real_last = *__first;
++__result_real_last;
++__first;
}
make_heap(__result_first, __result_real_last, __comp);
while (__first != __last) {
if (__comp(*__first, *__result_first))
__adjust_heap(__result_first, _Distance(0),
_Distance(__result_real_last - __result_first),
_Tp(*__first),
__comp);
++__first;
}
sort_heap(__result_first, __result_real_last, __comp);
return __result_real_last;
}
template <class _Inpu er, class _RandomAccessIter, class _Compare>
inline _RandomAccessIter
partial_sort_copy(_Inpu er __first, _Inpu er __last,
_RandomAccessIter __result_first,
_RandomAccessIter __result_last, _Compare __comp) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_CONVERTIBLE(typename iterator_traits<_Inpu er>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
return __partial_sort_copy(__first, __last, __result_first, __result_last,
__comp,
__DISTANCE_TYPE(__result_first),
__VALUE_TYPE(__first));
}
// nth_element() and its auxiliary functions.
template <class _RandomAccessIter, class _Tp>
void __nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
_RandomAccessIter __last, _Tp*) {
while (__last - __first > 3) {
_RandomAccessIter __cut =
__unguarded_par ion(__first, __last,
_Tp(__median(*__first,
*(__first + (__last - __first)/2),
*(__last - 1))));
if (__cut <= __nth)
__first = __cut;
else
__last = __cut;
}
__insertion_sort(__first, __last);
}
template <class _RandomAccessIter>
inline void nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
_RandomAccessIter __last) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
__nth_element(__first, __nth, __last, __VALUE_TYPE(__first));
}
template <class _RandomAccessIter, class _Tp, class _Compare>
void __nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
_RandomAccessIter __last, _Tp*, _Compare __comp) {
while (__last - __first > 3) {
_RandomAccessIter __cut =
__unguarded_par ion(__first, __last,
_Tp(__median(*__first,
*(__first + (__last - __first)/2),
*(__last - 1),
__comp)),
__comp);
if (__cut <= __nth)
__first = __cut;
else
__last = __cut;
}
__insertion_sort(__first, __last, __comp);
}
template <class _RandomAccessIter, class _Compare>
inline void nth_element(_RandomAccessIter __first, _RandomAccessIter __nth,
_RandomAccessIter __last, _Compare __comp) {
__STL_REQUIRES(_RandomAccessIter, _Mutable_RandomAccessIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
__nth_element(__first, __nth, __last, __VALUE_TYPE(__first), __comp);
}
// Binary search (lower_bound, upper_bound, equal_range, binary_search).
template <class _ForwardIter, class _Tp, class _Distance>
_ForwardIter __lower_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (*__middle < __val) {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
else
__len = __half;
}
return __first;
}
template <class _ForwardIter, class _Tp>
inline _ForwardIter lower_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_REQUIRES(_Tp, _LessThanComparable);
return __lower_bound(__first, __last, __val,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp, class _Compare, class _Distance>
_ForwardIter __lower_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Compare __comp, _Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (__comp(*__middle, __val)) {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
else
__len = __half;
}
return __first;
}
template <class _ForwardIter, class _Tp, class _Compare>
inline _ForwardIter lower_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool, _Tp, _Tp);
return __lower_bound(__first, __last, __val, __comp,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp, class _Distance>
_ForwardIter __upper_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (__val < *__middle)
__len = __half;
else {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
}
return __first;
}
template <class _ForwardIter, class _Tp>
inline _ForwardIter upper_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_REQUIRES(_Tp, _LessThanComparable);
return __upper_bound(__first, __last, __val,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp, class _Compare, class _Distance>
_ForwardIter __upper_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Compare __comp, _Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (__comp(__val, *__middle))
__len = __half;
else {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
}
return __first;
}
template <class _ForwardIter, class _Tp, class _Compare>
inline _ForwardIter upper_bound(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val, _Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool, _Tp, _Tp);
return __upper_bound(__first, __last, __val, __comp,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp, class _Distance>
pair<_ForwardIter, _ForwardIter>
__equal_range(_ForwardIter __first, _ForwardIter __last, const _Tp& __val,
_Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle, __left, __right;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (*__middle < __val) {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
else if (__val < *__middle)
__len = __half;
else {
__left = lower_bound(__first, __middle, __val);
advance(__first, __len);
__right = upper_bound(++__middle, __first, __val);
return pair<_ForwardIter, _ForwardIter>(__left, __right);
}
}
return pair<_ForwardIter, _ForwardIter>(__first, __first);
}
template <class _ForwardIter, class _Tp>
inline pair<_ForwardIter, _ForwardIter>
equal_range(_ForwardIter __first, _ForwardIter __last, const _Tp& __val) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_REQUIRES(_Tp, _LessThanComparable);
return __equal_range(__first, __last, __val,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp, class _Compare, class _Distance>
pair<_ForwardIter, _ForwardIter>
__equal_range(_ForwardIter __first, _ForwardIter __last, const _Tp& __val,
_Compare __comp, _Distance*)
{
_Distance __len = 0;
distance(__first, __last, __len);
_Distance __half;
_ForwardIter __middle, __left, __right;
while (__len > 0) {
__half = __len >> 1;
__middle = __first;
advance(__middle, __half);
if (__comp(*__middle, __val)) {
__first = __middle;
++__first;
__len = __len - __half - 1;
}
else if (__comp(__val, *__middle))
__len = __half;
else {
__left = lower_bound(__first, __middle, __val, __comp);
advance(__first, __len);
__right = upper_bound(++__middle, __first, __val, __comp);
return pair<_ForwardIter, _ForwardIter>(__left, __right);
}
}
return pair<_ForwardIter, _ForwardIter>(__first, __first);
}
template <class _ForwardIter, class _Tp, class _Compare>
inline pair<_ForwardIter, _ForwardIter>
equal_range(_ForwardIter __first, _ForwardIter __last, const _Tp& __val,
_Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool, _Tp, _Tp);
return __equal_range(__first, __last, __val, __comp,
__DISTANCE_TYPE(__first));
}
template <class _ForwardIter, class _Tp>
bool binary_search(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_REQUIRES(_Tp, _LessThanComparable);
_ForwardIter __i = lower_bound(__first, __last, __val);
return __i != __last && !(__val < *__i);
}
template <class _ForwardIter, class _Tp, class _Compare>
bool binary_search(_ForwardIter __first, _ForwardIter __last,
const _Tp& __val,
_Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_SAME_TYPE(_Tp,
typename iterator_traits<_ForwardIter>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool, _Tp, _Tp);
_ForwardIter __i = lower_bound(__first, __last, __val, __comp);
return __i != __last && !__comp(__val, *__i);
}
// merge, with and without an explicitly supplied comparison function.
template <class _Inpu er1, class _Inpu er2, class _Outpu er>
_Outpu er merge(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2) {
if (*__first2 < *__first1) {
*__result = *__first2;
++__first2;
}
else {
*__result = *__first1;
++__first1;
}
++__result;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _Compare>
_Outpu er merge(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result, _Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er1>::value_type);
while (__first1 != __last1 && __first2 != __last2) {
if (__comp(*__first2, *__first1)) {
*__result = *__first2;
++__first2;
}
else {
*__result = *__first1;
++__first1;
}
++__result;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
// inplace_merge and its auxiliary functions.
template <class _BidirectionalIter, class _Distance>
void __merge_without_buffer(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last,
_Distance __len1, _Distance __len2) {
if (__len1 == 0 || __len2 == 0)
return;
if (__len1 + __len2 == 2) {
if (*__middle < *__first)
iter_swap(__first, __middle);
return;
}
_BidirectionalIter __first_cut = __first;
_BidirectionalIter __second_cut = __middle;
_Distance __len11 = 0;
_Distance __len22 = 0;
if (__len1 > __len2) {
__len11 = __len1 / 2;
advance(__first_cut, __len11);
__second_cut = lower_bound(__middle, __last, *__first_cut);
distance(__middle, __second_cut, __len22);
}
else {
__len22 = __len2 / 2;
advance(__second_cut, __len22);
__first_cut = upper_bound(__first, __middle, *__second_cut);
distance(__first, __first_cut, __len11);
}
_BidirectionalIter __new_middle
= rotate(__first_cut, __middle, __second_cut);
__merge_without_buffer(__first, __first_cut, __new_middle,
__len11, __len22);
__merge_without_buffer(__new_middle, __second_cut, __last, __len1 - __len11,
__len2 - __len22);
}
template <class _BidirectionalIter, class _Distance, class _Compare>
void __merge_without_buffer(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last,
_Distance __len1, _Distance __len2,
_Compare __comp) {
if (__len1 == 0 || __len2 == 0)
return;
if (__len1 + __len2 == 2) {
if (__comp(*__middle, *__first))
iter_swap(__first, __middle);
return;
}
_BidirectionalIter __first_cut = __first;
_BidirectionalIter __second_cut = __middle;
_Distance __len11 = 0;
_Distance __len22 = 0;
if (__len1 > __len2) {
__len11 = __len1 / 2;
advance(__first_cut, __len11);
__second_cut = lower_bound(__middle, __last, *__first_cut, __comp);
distance(__middle, __second_cut, __len22);
}
else {
__len22 = __len2 / 2;
advance(__second_cut, __len22);
__first_cut = upper_bound(__first, __middle, *__second_cut, __comp);
distance(__first, __first_cut, __len11);
}
_BidirectionalIter __new_middle
= rotate(__first_cut, __middle, __second_cut);
__merge_without_buffer(__first, __first_cut, __new_middle, __len11, __len22,
__comp);
__merge_without_buffer(__new_middle, __second_cut, __last, __len1 - __len11,
__len2 - __len22, __comp);
}
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _Distance>
_BidirectionalIter1 __rotate_adaptive(_BidirectionalIter1 __first,
_BidirectionalIter1 __middle,
_BidirectionalIter1 __last,
_Distance __len1, _Distance __len2,
_BidirectionalIter2 __buffer,
_Distance __buffer_size) {
_BidirectionalIter2 __buffer_end;
if (__len1 > __len2 && __len2 <= __buffer_size) {
__buffer_end = copy(__middle, __last, __buffer);
copy_backward(__first, __middle, __last);
return copy(__buffer, __buffer_end, __first);
}
else if (__len1 <= __buffer_size) {
__buffer_end = copy(__first, __middle, __buffer);
copy(__middle, __last, __first);
return copy_backward(__buffer, __buffer_end, __last);
}
else
return rotate(__first, __middle, __last);
}
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _BidirectionalIter3>
_BidirectionalIter3 __merge_backward(_BidirectionalIter1 __first1,
_BidirectionalIter1 __last1,
_BidirectionalIter2 __first2,
_BidirectionalIter2 __last2,
_BidirectionalIter3 __result) {
if (__first1 == __last1)
return copy_backward(__first2, __last2, __result);
if (__first2 == __last2)
return copy_backward(__first1, __last1, __result);
--__last1;
--__last2;
while (true) {
if (*__last2 < *__last1) {
*--__result = *__last1;
if (__first1 == __last1)
return copy_backward(__first2, ++__last2, __result);
--__last1;
}
else {
*--__result = *__last2;
if (__first2 == __last2)
return copy_backward(__first1, ++__last1, __result);
--__last2;
}
}
}
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _BidirectionalIter3, class _Compare>
_BidirectionalIter3 __merge_backward(_BidirectionalIter1 __first1,
_BidirectionalIter1 __last1,
_BidirectionalIter2 __first2,
_BidirectionalIter2 __last2,
_BidirectionalIter3 __result,
_Compare __comp) {
if (__first1 == __last1)
return copy_backward(__first2, __last2, __result);
if (__first2 == __last2)
return copy_backward(__first1, __last1, __result);
--__last1;
--__last2;
while (true) {
if (__comp(*__last2, *__last1)) {
*--__result = *__last1;
if (__first1 == __last1)
return copy_backward(__first2, ++__last2, __result);
--__last1;
}
else {
*--__result = *__last2;
if (__first2 == __last2)
return copy_backward(__first1, ++__last1, __result);
--__last2;
}
}
}
template <class _BidirectionalIter, class _Distance, class _Pointer>
void __merge_adaptive(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last,
_Distance __len1, _Distance __len2,
_Pointer __buffer, _Distance __buffer_size) {
if (__len1 <= __len2 && __len1 <= __buffer_size) {
_Pointer __buffer_end = copy(__first, __middle, __buffer);
merge(__buffer, __buffer_end, __middle, __last, __first);
}
else if (__len2 <= __buffer_size) {
_Pointer __buffer_end = copy(__middle, __last, __buffer);
__merge_backward(__first, __middle, __buffer, __buffer_end, __last);
}
else {
_BidirectionalIter __first_cut = __first;
_BidirectionalIter __second_cut = __middle;
_Distance __len11 = 0;
_Distance __len22 = 0;
if (__len1 > __len2) {
__len11 = __len1 / 2;
advance(__first_cut, __len11);
__second_cut = lower_bound(__middle, __last, *__first_cut);
distance(__middle, __second_cut, __len22);
}
else {
__len22 = __len2 / 2;
advance(__second_cut, __len22);
__first_cut = upper_bound(__first, __middle, *__second_cut);
distance(__first, __first_cut, __len11);
}
_BidirectionalIter __new_middle =
__rotate_adaptive(__first_cut, __middle, __second_cut, __len1 - __len11,
__len22, __buffer, __buffer_size);
__merge_adaptive(__first, __first_cut, __new_middle, __len11,
__len22, __buffer, __buffer_size);
__merge_adaptive(__new_middle, __second_cut, __last, __len1 - __len11,
__len2 - __len22, __buffer, __buffer_size);
}
}
template <class _BidirectionalIter, class _Distance, class _Pointer,
class _Compare>
void __merge_adaptive(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last,
_Distance __len1, _Distance __len2,
_Pointer __buffer, _Distance __buffer_size,
_Compare __comp) {
if (__len1 <= __len2 && __len1 <= __buffer_size) {
_Pointer __buffer_end = copy(__first, __middle, __buffer);
merge(__buffer, __buffer_end, __middle, __last, __first, __comp);
}
else if (__len2 <= __buffer_size) {
_Pointer __buffer_end = copy(__middle, __last, __buffer);
__merge_backward(__first, __middle, __buffer, __buffer_end, __last,
__comp);
}
else {
_BidirectionalIter __first_cut = __first;
_BidirectionalIter __second_cut = __middle;
_Distance __len11 = 0;
_Distance __len22 = 0;
if (__len1 > __len2) {
__len11 = __len1 / 2;
advance(__first_cut, __len11);
__second_cut = lower_bound(__middle, __last, *__first_cut, __comp);
distance(__middle, __second_cut, __len22);
}
else {
__len22 = __len2 / 2;
advance(__second_cut, __len22);
__first_cut = upper_bound(__first, __middle, *__second_cut, __comp);
distance(__first, __first_cut, __len11);
}
_BidirectionalIter __new_middle =
__rotate_adaptive(__first_cut, __middle, __second_cut, __len1 - __len11,
__len22, __buffer, __buffer_size);
__merge_adaptive(__first, __first_cut, __new_middle, __len11,
__len22, __buffer, __buffer_size, __comp);
__merge_adaptive(__new_middle, __second_cut, __last, __len1 - __len11,
__len2 - __len22, __buffer, __buffer_size, __comp);
}
}
template <class _BidirectionalIter, class _Tp, class _Distance>
inline void __inplace_merge_aux(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last, _Tp*, _Distance*) {
_Distance __len1 = 0;
distance(__first, __middle, __len1);
_Distance __len2 = 0;
distance(__middle, __last, __len2);
_Temporary_buffer<_BidirectionalIter, _Tp> __buf(__first, __last);
if (__buf.begin() == 0)
__merge_without_buffer(__first, __middle, __last, __len1, __len2);
else
__merge_adaptive(__first, __middle, __last, __len1, __len2,
__buf.begin(), _Distance(__buf.size()));
}
template <class _BidirectionalIter, class _Tp,
class _Distance, class _Compare>
inline void __inplace_merge_aux(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last, _Tp*, _Distance*,
_Compare __comp) {
_Distance __len1 = 0;
distance(__first, __middle, __len1);
_Distance __len2 = 0;
distance(__middle, __last, __len2);
_Temporary_buffer<_BidirectionalIter, _Tp> __buf(__first, __last);
if (__buf.begin() == 0)
__merge_without_buffer(__first, __middle, __last, __len1, __len2, __comp);
else
__merge_adaptive(__first, __middle, __last, __len1, __len2,
__buf.begin(), _Distance(__buf.size()),
__comp);
}
template <class _BidirectionalIter>
inline void inplace_merge(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last) {
__STL_REQUIRES(_BidirectionalIter, _Mutable_BidirectionalIterator);
__STL_REQUIRES(typename iterator_traits<_BidirectionalIter>::value_type,
_LessThanComparable);
if (__first == __middle || __middle == __last)
return;
__inplace_merge_aux(__first, __middle, __last,
__VALUE_TYPE(__first), __DISTANCE_TYPE(__first));
}
template <class _BidirectionalIter, class _Compare>
inline void inplace_merge(_BidirectionalIter __first,
_BidirectionalIter __middle,
_BidirectionalIter __last, _Compare __comp) {
__STL_REQUIRES(_BidirectionalIter, _Mutable_BidirectionalIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_BidirectionalIter>::value_type,
typename iterator_traits<_BidirectionalIter>::value_type);
if (__first == __middle || __middle == __last)
return;
__inplace_merge_aux(__first, __middle, __last,
__VALUE_TYPE(__first), __DISTANCE_TYPE(__first),
__comp);
}
// Set algorithms: includes, set_union, set_intersection, set_difference,
// set_symmetric_difference. All of these algorithms have the precondition
// that their input ranges are sorted and the postcondition that their output
// ranges are sorted.
template <class _Inpu er1, class _Inpu er2>
bool includes(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2)
if (*__first2 < *__first1)
return false;
else if(*__first1 < *__first2)
++__first1;
else
++__first1, ++__first2;
return __first2 == __last2;
}
template <class _Inpu er1, class _Inpu er2, class _Compare>
bool includes(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2, _Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
while (__first1 != __last1 && __first2 != __last2)
if (__comp(*__first2, *__first1))
return false;
else if(__comp(*__first1, *__first2))
++__first1;
else
++__first1, ++__first2;
return __first2 == __last2;
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er>
_Outpu er set_union(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2) {
if (*__first1 < *__first2) {
*__result = *__first1;
++__first1;
}
else if (*__first2 < *__first1) {
*__result = *__first2;
++__first2;
}
else {
*__result = *__first1;
++__first1;
++__first2;
}
++__result;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _Compare>
_Outpu er set_union(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result, _Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
while (__first1 != __last1 && __first2 != __last2) {
if (__comp(*__first1, *__first2)) {
*__result = *__first1;
++__first1;
}
else if (__comp(*__first2, *__first1)) {
*__result = *__first2;
++__first2;
}
else {
*__result = *__first1;
++__first1;
++__first2;
}
++__result;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er>
_Outpu er set_intersection(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2)
if (*__first1 < *__first2)
++__first1;
else if (*__first2 < *__first1)
++__first2;
else {
*__result = *__first1;
++__first1;
++__first2;
++__result;
}
return __result;
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _Compare>
_Outpu er set_intersection(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result, _Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
while (__first1 != __last1 && __first2 != __last2)
if (__comp(*__first1, *__first2))
++__first1;
else if (__comp(*__first2, *__first1))
++__first2;
else {
*__result = *__first1;
++__first1;
++__first2;
++__result;
}
return __result;
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er>
_Outpu er set_difference(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2)
if (*__first1 < *__first2) {
*__result = *__first1;
++__first1;
++__result;
}
else if (*__first2 < *__first1)
++__first2;
else {
++__first1;
++__first2;
}
return copy(__first1, __last1, __result);
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _Compare>
_Outpu er set_difference(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result, _Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
while (__first1 != __last1 && __first2 != __last2)
if (__comp(*__first1, *__first2)) {
*__result = *__first1;
++__first1;
++__result;
}
else if (__comp(*__first2, *__first1))
++__first2;
else {
++__first1;
++__first2;
}
return copy(__first1, __last1, __result);
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er>
_Outpu er
set_symmetric_difference(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
while (__first1 != __last1 && __first2 != __last2)
if (*__first1 < *__first2) {
*__result = *__first1;
++__first1;
++__result;
}
else if (*__first2 < *__first1) {
*__result = *__first2;
++__first2;
++__result;
}
else {
++__first1;
++__first2;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
template <class _Inpu er1, class _Inpu er2, class _Outpu er,
class _Compare>
_Outpu er
set_symmetric_difference(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Outpu er __result,
_Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
__STL_REQUIRES_SAME_TYPE(
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_Inpu er1>::value_type,
typename iterator_traits<_Inpu er2>::value_type);
while (__first1 != __last1 && __first2 != __last2)
if (__comp(*__first1, *__first2)) {
*__result = *__first1;
++__first1;
++__result;
}
else if (__comp(*__first2, *__first1)) {
*__result = *__first2;
++__first2;
++__result;
}
else {
++__first1;
++__first2;
}
return copy(__first2, __last2, copy(__first1, __last1, __result));
}
// min_element and max_element, with and without an explicitly supplied
// comparison function.
template <class _ForwardIter>
_ForwardIter max_element(_ForwardIter __first, _ForwardIter __last) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_LessThanComparable);
if (__first == __last) return __first;
_ForwardIter __result = __first;
while (++__first != __last)
if (*__result < *__first)
__result = __first;
return __result;
}
template <class _ForwardIter, class _Compare>
_ForwardIter max_element(_ForwardIter __first, _ForwardIter __last,
_Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
if (__first == __last) return __first;
_ForwardIter __result = __first;
while (++__first != __last)
if (__comp(*__result, *__first)) __result = __first;
return __result;
}
template <class _ForwardIter>
_ForwardIter min_element(_ForwardIter __first, _ForwardIter __last) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_LessThanComparable);
if (__first == __last) return __first;
_ForwardIter __result = __first;
while (++__first != __last)
if (*__first < *__result)
__result = __first;
return __result;
}
template <class _ForwardIter, class _Compare>
_ForwardIter min_element(_ForwardIter __first, _ForwardIter __last,
_Compare __comp) {
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
if (__first == __last) return __first;
_ForwardIter __result = __first;
while (++__first != __last)
if (__comp(*__first, *__result))
__result = __first;
return __result;
}
// next_permutation and prev_permutation, with and without an explicitly
// supplied comparison function.
template <class _BidirectionalIter>
bool next_permutation(_BidirectionalIter __first, _BidirectionalIter __last) {
__STL_REQUIRES(_BidirectionalIter, _BidirectionalIterator);
__STL_REQUIRES(typename iterator_traits<_BidirectionalIter>::value_type,
_LessThanComparable);
if (__first == __last)
return false;
_BidirectionalIter __i = __first;
++__i;
if (__i == __last)
return false;
__i = __last;
--__i;
for(;
_BidirectionalIter __ii = __i;
--__i;
if (*__i < *__ii) {
_BidirectionalIter __j = __last;
while (!(*__i < *--__j))
{}
iter_swap(__i, __j);
reverse(__ii, __last);
return true;
}
if (__i == __first) {
reverse(__first, __last);
return false;
}
}
}
template <class _BidirectionalIter, class _Compare>
bool next_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
_Compare __comp) {
__STL_REQUIRES(_BidirectionalIter, _BidirectionalIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_BidirectionalIter>::value_type,
typename iterator_traits<_BidirectionalIter>::value_type);
if (__first == __last)
return false;
_BidirectionalIter __i = __first;
++__i;
if (__i == __last)
return false;
__i = __last;
--__i;
for(;
_BidirectionalIter __ii = __i;
--__i;
if (__comp(*__i, *__ii)) {
_BidirectionalIter __j = __last;
while (!__comp(*__i, *--__j))
{}
iter_swap(__i, __j);
reverse(__ii, __last);
return true;
}
if (__i == __first) {
reverse(__first, __last);
return false;
}
}
}
template <class _BidirectionalIter>
bool prev_permutation(_BidirectionalIter __first, _BidirectionalIter __last) {
__STL_REQUIRES(_BidirectionalIter, _BidirectionalIterator);
__STL_REQUIRES(typename iterator_traits<_BidirectionalIter>::value_type,
_LessThanComparable);
if (__first == __last)
return false;
_BidirectionalIter __i = __first;
++__i;
if (__i == __last)
return false;
__i = __last;
--__i;
for(;
_BidirectionalIter __ii = __i;
--__i;
if (*__ii < *__i) {
_BidirectionalIter __j = __last;
while (!(*--__j < *__i))
{}
iter_swap(__i, __j);
reverse(__ii, __last);
return true;
}
if (__i == __first) {
reverse(__first, __last);
return false;
}
}
}
template <class _BidirectionalIter, class _Compare>
bool prev_permutation(_BidirectionalIter __first, _BidirectionalIter __last,
_Compare __comp) {
__STL_REQUIRES(_BidirectionalIter, _BidirectionalIterator);
__STL_BINARY_FUNCTION_CHECK(_Compare, bool,
typename iterator_traits<_BidirectionalIter>::value_type,
typename iterator_traits<_BidirectionalIter>::value_type);
if (__first == __last)
return false;
_BidirectionalIter __i = __first;
++__i;
if (__i == __last)
return false;
__i = __last;
--__i;
for(;
_BidirectionalIter __ii = __i;
--__i;
if (__comp(*__ii, *__i)) {
_BidirectionalIter __j = __last;
while (!__comp(*--__j, *__i))
{}
iter_swap(__i, __j);
reverse(__ii, __last);
return true;
}
if (__i == __first) {
reverse(__first, __last);
return false;
}
}
}
// find_first_of, with and without an explicitly supplied comparison function.
template <class _Inpu er, class _ForwardIter>
_Inpu er find_first_of(_Inpu er __first1, _Inpu er __last1,
_ForwardIter __first2, _ForwardIter __last2)
{
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_Inpu er>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
for ( ; __first1 != __last1; ++__first1)
for (_ForwardIter __iter = __first2; __iter != __last2; ++__iter)
if (*__first1 == *__iter)
return __first1;
return __last1;
}
template <class _Inpu er, class _ForwardIter, class _BinaryPredicate>
_Inpu er find_first_of(_Inpu er __first1, _Inpu er __last1,
_ForwardIter __first2, _ForwardIter __last2,
_BinaryPredicate __comp)
{
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool,
typename iterator_traits<_Inpu er>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
for ( ; __first1 != __last1; ++__first1)
for (_ForwardIter __iter = __first2; __iter != __last2; ++__iter)
if (__comp(*__first1, *__iter))
return __first1;
return __last1;
}
// find_end, with and without an explicitly supplied comparison function.
// Search [first2, last2) as a subsequence in [first1, last1), and return
// the *last* possible match. Note that find_end for bidirectional iterators
// is much faster than for forward iterators.
// find_end for forward iterators.
template <class _ForwardIter1, class _ForwardIter2>
_ForwardIter1 __find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2,
forward_iterator_tag, forward_iterator_tag)
{
if (__first2 == __last2)
return __last1;
else {
_ForwardIter1 __result = __last1;
while (1) {
_ForwardIter1 __new_result
= search(__first1, __last1, __first2, __last2);
if (__new_result == __last1)
return __result;
else {
__result = __new_result;
__first1 = __new_result;
++__first1;
}
}
}
}
template <class _ForwardIter1, class _ForwardIter2,
class _BinaryPredicate>
_ForwardIter1 __find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2,
forward_iterator_tag, forward_iterator_tag,
_BinaryPredicate __comp)
{
if (__first2 == __last2)
return __last1;
else {
_ForwardIter1 __result = __last1;
while (1) {
_ForwardIter1 __new_result
= search(__first1, __last1, __first2, __last2, __comp);
if (__new_result == __last1)
return __result;
else {
__result = __new_result;
__first1 = __new_result;
++__first1;
}
}
}
}
// find_end for bidirectional iterators. Requires partial specialization.
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
template <class _BidirectionalIter1, class _BidirectionalIter2>
_BidirectionalIter1
__find_end(_BidirectionalIter1 __first1, _BidirectionalIter1 __last1,
_BidirectionalIter2 __first2, _BidirectionalIter2 __last2,
bidirectional_iterator_tag, bidirectional_iterator_tag)
{
__STL_REQUIRES(_BidirectionalIter1, _BidirectionalIterator);
__STL_REQUIRES(_BidirectionalIter2, _BidirectionalIterator);
typedef reverse_iterator<_BidirectionalIter1> _RevIter1;
typedef reverse_iterator<_BidirectionalIter2> _RevIter2;
_RevIter1 __rlast1(__first1);
_RevIter2 __rlast2(__first2);
_RevIter1 __rresult = search(_RevIter1(__last1), __rlast1,
_RevIter2(__last2), __rlast2);
if (__rresult == __rlast1)
return __last1;
else {
_BidirectionalIter1 __result = __rresult.base();
advance(__result, -distance(__first2, __last2));
return __result;
}
}
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _BinaryPredicate>
_BidirectionalIter1
__find_end(_BidirectionalIter1 __first1, _BidirectionalIter1 __last1,
_BidirectionalIter2 __first2, _BidirectionalIter2 __last2,
bidirectional_iterator_tag, bidirectional_iterator_tag,
_BinaryPredicate __comp)
{
__STL_REQUIRES(_BidirectionalIter1, _BidirectionalIterator);
__STL_REQUIRES(_BidirectionalIter2, _BidirectionalIterator);
typedef reverse_iterator<_BidirectionalIter1> _RevIter1;
typedef reverse_iterator<_BidirectionalIter2> _RevIter2;
_RevIter1 __rlast1(__first1);
_RevIter2 __rlast2(__first2);
_RevIter1 __rresult = search(_RevIter1(__last1), __rlast1,
_RevIter2(__last2), __rlast2,
__comp);
if (__rresult == __rlast1)
return __last1;
else {
_BidirectionalIter1 __result = __rresult.base();
advance(__result, -distance(__first2, __last2));
return __result;
}
}
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
// Dispatching functions for find_end.
template <class _ForwardIter1, class _ForwardIter2>
inline _ForwardIter1
find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2)
{
__STL_REQUIRES(_ForwardIter1, _ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _ForwardIterator);
__STL_REQUIRES_BINARY_OP(_OP_EQUAL, bool,
typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
return __find_end(__first1, __last1, __first2, __last2,
__ITERATOR_CATEGORY(__first1),
__ITERATOR_CATEGORY(__first2));
}
template <class _ForwardIter1, class _ForwardIter2,
class _BinaryPredicate>
inline _ForwardIter1
find_end(_ForwardIter1 __first1, _ForwardIter1 __last1,
_ForwardIter2 __first2, _ForwardIter2 __last2,
_BinaryPredicate __comp)
{
__STL_REQUIRES(_ForwardIter1, _ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_BinaryPredicate, bool,
typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
return __find_end(__first1, __last1, __first2, __last2,
__ITERATOR_CATEGORY(__first1),
__ITERATOR_CATEGORY(__first2),
__comp);
}
// is_heap, a predicate testing whether or not a range is
// a heap. This function is an extension, not part of the C++
// standard.
template <class _RandomAccessIter, class _Distance>
bool __is_heap(_RandomAccessIter __first, _Distance __n)
{
_Distance __parent = 0;
for (_Distance __child = 1; __child < __n; ++__child) {
if (__first[__parent] < __first[__child])
return false;
if ((__child & 1) == 0)
++__parent;
}
return true;
}
template <class _RandomAccessIter, class _Distance, class _StrictWeakOrdering>
bool __is_heap(_RandomAccessIter __first, _StrictWeakOrdering __comp,
_Distance __n)
{
_Distance __parent = 0;
for (_Distance __child = 1; __child < __n; ++__child) {
if (__comp(__first[__parent], __first[__child]))
return false;
if ((__child & 1) == 0)
++__parent;
}
return true;
}
template <class _RandomAccessIter>
inline bool is_heap(_RandomAccessIter __first, _RandomAccessIter __last)
{
__STL_REQUIRES(_RandomAccessIter, _RandomAccessIterator);
__STL_REQUIRES(typename iterator_traits<_RandomAccessIter>::value_type,
_LessThanComparable);
return __is_heap(__first, __last - __first);
}
template <class _RandomAccessIter, class _StrictWeakOrdering>
inline bool is_heap(_RandomAccessIter __first, _RandomAccessIter __last,
_StrictWeakOrdering __comp)
{
__STL_REQUIRES(_RandomAccessIter, _RandomAccessIterator);
__STL_BINARY_FUNCTION_CHECK(_StrictWeakOrdering, bool,
typename iterator_traits<_RandomAccessIter>::value_type,
typename iterator_traits<_RandomAccessIter>::value_type);
return __is_heap(__first, __comp, __last - __first);
}
// is_sorted, a predicated testing whether a range is sorted in
// nondescending order. This is an extension, not part of the C++
// standard.
template <class _ForwardIter>
bool is_sorted(_ForwardIter __first, _ForwardIter __last)
{
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_REQUIRES(typename iterator_traits<_ForwardIter>::value_type,
_LessThanComparable);
if (__first == __last)
return true;
_ForwardIter __next = __first;
for (++__next; __next != __last; __first = __next, ++__next) {
if (*__next < *__first)
return false;
}
return true;
}
template <class _ForwardIter, class _StrictWeakOrdering>
bool is_sorted(_ForwardIter __first, _ForwardIter __last,
_StrictWeakOrdering __comp)
{
__STL_REQUIRES(_ForwardIter, _ForwardIterator);
__STL_BINARY_FUNCTION_CHECK(_StrictWeakOrdering, bool,
typename iterator_traits<_ForwardIter>::value_type,
typename iterator_traits<_ForwardIter>::value_type);
if (__first == __last)
return true;
_ForwardIter __next = __first;
for (++__next; __next != __last; __first = __next, ++__next) {
if (__comp(*__next, *__first))
return false;
}
return true;
}
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma reset woff 1209
#endif
__STL_END_NAMESPACE
#endif /* __SGI_STL_INTERNAL_ALGO_H */
// Local Variables:
// mode:C++
// End:
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996-1998
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_INTERNAL_ALGOBASE_H
#define __SGI_STL_INTERNAL_ALGOBASE_H
#ifndef __STL_CONFIG_H
#include <stl_config.h>
#endif
#ifndef __SGI_STL_INTERNAL_RELOPS
#include <stl_relops.h>
#endif
#ifndef __SGI_STL_INTERNAL_PAIR_H
#include <stl_pair.h>
#endif
#ifndef __TYPE_TRAITS_H
#include <type_traits.h>
#endif
#include <string.h>
#include <limits.h>
#include <stdlib.h>
#include <stddef.h>
#include <new.h>
#ifdef __STL_USE_NEW_IOSTREAMS
#include <iosfwd>
#else /* __STL_USE_NEW_IOSTREAMS */
#include <iostream.h>
#endif /* __STL_USE_NEW_IOSTREAMS */
#ifndef __SGI_STL_INTERNAL_ITERATOR_H
#include <stl_iterator_base.h>
#include <stl_iterator.h>
#endif
// We pick up concept_checks.h from stl_iterator_base.h.
__STL_BEGIN_NAMESPACE
// swap and iter_swap
template <class _ForwardIter1, class _ForwardIter2, class _Tp>
inline void __iter_swap(_ForwardIter1 __a, _ForwardIter2 __b, _Tp*) {
_Tp __tmp = *__a;
*__a = *__b;
*__b = __tmp;
}
template <class _ForwardIter1, class _ForwardIter2>
inline void iter_swap(_ForwardIter1 __a, _ForwardIter2 __b) {
__STL_REQUIRES(_ForwardIter1, _Mutable_ForwardIterator);
__STL_REQUIRES(_ForwardIter2, _Mutable_ForwardIterator);
__STL_CONVERTIBLE(typename iterator_traits<_ForwardIter1>::value_type,
typename iterator_traits<_ForwardIter2>::value_type);
__STL_CONVERTIBLE(typename iterator_traits<_ForwardIter2>::value_type,
typename iterator_traits<_ForwardIter1>::value_type);
__iter_swap(__a, __b, __VALUE_TYPE(__a));
}
template <class _Tp>
inline void swap(_Tp& __a, _Tp& __b) {
__STL_REQUIRES(_Tp, _Assignable);
_Tp __tmp = __a;
__a = __b;
__b = __tmp;
}
//--------------------------------------------------
// min and max
#if !defined(__BORLANDC__) || __BORLANDC__ >= 0x540 /* C++ Builder 4.0 */
#undef min
#undef max
template <class _Tp>
inline const _Tp& min(const _Tp& __a, const _Tp& __b) {
__STL_REQUIRES(_Tp, _LessThanComparable);
return __b < __a ? __b : __a;
}
template <class _Tp>
inline const _Tp& max(const _Tp& __a, const _Tp& __b) {
__STL_REQUIRES(_Tp, _LessThanComparable);
return __a < __b ? __b : __a;
}
#endif /* __BORLANDC__ */
template <class _Tp, class _Compare>
inline const _Tp& min(const _Tp& __a, const _Tp& __b, _Compare __comp) {
return __comp(__b, __a) ? __b : __a;
}
template <class _Tp, class _Compare>
inline const _Tp& max(const _Tp& __a, const _Tp& __b, _Compare __comp) {
return __comp(__a, __b) ? __b : __a;
}
//--------------------------------------------------
// copy
// All of these auxiliary functions serve two purposes. (1) Replace
// calls to copy with memmove whenever possible. (Memmove, not memcpy,
// because the input and output ranges are permitted to overlap.)
// (2) If we're using random access iterators, then write the loop as
// a for loop with an explicit count.
template <class _Inpu er, class _Outpu er, class _Distance>
inline _Outpu er __copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result,
input_iterator_tag, _Distance*)
{
for ( ; __first != __last; ++__result, ++__first)
*__result = *__first;
return __result;
}
template <class _RandomAccessIter, class _Outpu er, class _Distance>
inline _Outpu er
__copy(_RandomAccessIter __first, _RandomAccessIter __last,
_Outpu er __result, random_access_iterator_tag, _Distance*)
{
for (_Distance __n = __last - __first; __n > 0; --__n) {
*__result = *__first;
++__first;
++__result;
}
return __result;
}
template <class _Tp>
inline _Tp*
__copy_trivial(const _Tp* __first, const _Tp* __last, _Tp* __result) {
memmove(__result, __first, sizeof(_Tp) * (__last - __first));
return __result + (__last - __first);
}
#if defined(__STL_FUNCTION_TMPL_PARTIAL_ORDER)
template <class _Inpu er, class _Outpu er>
inline _Outpu er __copy_aux2(_Inpu er __first, _Inpu er __last,
_Outpu er __result, __false_type) {
return __copy(__first, __last, __result,
__ITERATOR_CATEGORY(__first),
__DISTANCE_TYPE(__first));
}
template <class _Inpu er, class _Outpu er>
inline _Outpu er __copy_aux2(_Inpu er __first, _Inpu er __last,
_Outpu er __result, __true_type) {
return __copy(__first, __last, __result,
__ITERATOR_CATEGORY(__first),
__DISTANCE_TYPE(__first));
}
#ifndef __USLC__
template <class _Tp>
inline _Tp* __copy_aux2(_Tp* __first, _Tp* __last, _Tp* __result,
__true_type) {
return __copy_trivial(__first, __last, __result);
}
#endif /* __USLC__ */
template <class _Tp>
inline _Tp* __copy_aux2(const _Tp* __first, const _Tp* __last, _Tp* __result,
__true_type) {
return __copy_trivial(__first, __last, __result);
}
template <class _Inpu er, class _Outpu er, class _Tp>
inline _Outpu er __copy_aux(_Inpu er __first, _Inpu er __last,
_Outpu er __result, _Tp*) {
typedef typename __type_traits<_Tp>::has_trivial_assignment_operato r
_Trivial;
return __copy_aux2(__first, __last, __result, _Trivial());
}
template <class _Inpu er, class _Outpu er>
inline _Outpu er copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
return __copy_aux(__first, __last, __result, __VALUE_TYPE(__first));
}
// Hack for compilers that don't have partial ordering of function templates
// but do have partial specialization of class templates.
#elif defined(__STL_CLASS_PARTIAL_SPECIALIZATION)
template <class _Inpu er, class _Outpu er, class _BoolType>
struct __copy_dispatch {
static _Outpu er copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result) {
typedef typename iterator_traits<_Inpu er>::iterator_category _Category;
typedef typename iterator_traits<_Inpu er>::difference_type _Distance;
return __copy(__first, __last, __result, _Category(), (_Distance*) 0);
}
};
template <class _Tp>
struct __copy_dispatch<_Tp*, _Tp*, __true_type>
{
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
return __copy_trivial(__first, __last, __result);
}
};
template <class _Tp>
struct __copy_dispatch<const _Tp*, _Tp*, __true_type>
{
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
return __copy_trivial(__first, __last, __result);
}
};
template <class _Inpu er, class _Outpu er>
inline _Outpu er copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
typedef typename iterator_traits<_Inpu er>::value_type _Tp;
typedef typename __type_traits<_Tp>::has_trivial_assignment_operato r
_Trivial;
return __copy_dispatch<_Inpu er, _Outpu er, _Trivial>
:y(__first, __last, __result);
}
// Fallback for compilers with neither partial ordering nor partial
// specialization. Define the faster version for the basic builtin
// types.
#else /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _Inpu er, class _Outpu er>
inline _Outpu er copy(_Inpu er __first, _Inpu er __last,
_Outpu er __result)
{
return __copy(__first, __last, __result,
__ITERATOR_CATEGORY(__first),
__DISTANCE_TYPE(__first));
}
#define __SGI_STL_DECLARE_COPY_TRIVIAL(_Tp) \
inline _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) { \
memmove(__result, __first, sizeof(_Tp) * (__last - __first)); \
return __result + (__last - __first); \
}
__SGI_STL_DECLARE_COPY_TRIVIAL(char)
__SGI_STL_DECLARE_COPY_TRIVIAL(signed char)
__SGI_STL_DECLARE_COPY_TRIVIAL(unsigned char)
__SGI_STL_DECLARE_COPY_TRIVIAL(short)
__SGI_STL_DECLARE_COPY_TRIVIAL(unsigned short)
__SGI_STL_DECLARE_COPY_TRIVIAL(int)
__SGI_STL_DECLARE_COPY_TRIVIAL(unsigned int)
__SGI_STL_DECLARE_COPY_TRIVIAL(long)
__SGI_STL_DECLARE_COPY_TRIVIAL(unsigned long)
#ifdef __STL_HAS_WCHAR_T
__SGI_STL_DECLARE_COPY_TRIVIAL(wchar_t)
#endif
#ifdef _STL_LONG_LONG
__SGI_STL_DECLARE_COPY_TRIVIAL(long long)
__SGI_STL_DECLARE_COPY_TRIVIAL(unsigned long long)
#endif
__SGI_STL_DECLARE_COPY_TRIVIAL(float)
__SGI_STL_DECLARE_COPY_TRIVIAL(double)
__SGI_STL_DECLARE_COPY_TRIVIAL(long double)
#undef __SGI_STL_DECLARE_COPY_TRIVIAL
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
//--------------------------------------------------
// copy_backward
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _Distance>
inline _BidirectionalIter2 __copy_backward(_BidirectionalIter1 __first,
_BidirectionalIter1 __last,
_BidirectionalIter2 __result,
bidirectional_iterator_tag,
_Distance*)
{
while (__first != __last)
*--__result = *--__last;
return __result;
}
template <class _RandomAccessIter, class _BidirectionalIter, class _Distance>
inline _BidirectionalIter __copy_backward(_RandomAccessIter __first,
_RandomAccessIter __last,
_BidirectionalIter __result,
random_access_iterator_tag,
_Distance*)
{
for (_Distance __n = __last - __first; __n > 0; --__n)
*--__result = *--__last;
return __result;
}
#ifdef __STL_CLASS_PARTIAL_SPECIALIZATION
// This dispatch class is a workaround for compilers that do not
// have partial ordering of function templates. All we're doing is
// creating a specialization so that we can turn a call to copy_backward
// into a memmove whenever possible.
template <class _BidirectionalIter1, class _BidirectionalIter2,
class _BoolType>
struct __copy_backward_dispatch
{
typedef typename iterator_traits<_BidirectionalIter1>::iterator_cat egory
_Cat;
typedef typename iterator_traits<_BidirectionalIter1>::difference_t ype
_Distance;
static _BidirectionalIter2 copy(_BidirectionalIter1 __first,
_BidirectionalIter1 __last,
_BidirectionalIter2 __result) {
return __copy_backward(__first, __last, __result, _Cat(), (_Distance*) 0);
}
};
template <class _Tp>
struct __copy_backward_dispatch<_Tp*, _Tp*, __true_type>
{
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
const ptrdiff_t _Num = __last - __first;
memmove(__result - _Num, __first, sizeof(_Tp) * _Num);
return __result - _Num;
}
};
template <class _Tp>
struct __copy_backward_dispatch<const _Tp*, _Tp*, __true_type>
{
static _Tp* copy(const _Tp* __first, const _Tp* __last, _Tp* __result) {
return __copy_backward_dispatch<_Tp*, _Tp*, __true_type>
:
}
};
template <class _BI1, class _BI2>
inline _BI2 copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) {
__STL_REQUIRES(_BI1, _BidirectionalIterator);
__STL_REQUIRES(_BI2, _Mutable_BidirectionalIterator);
__STL_CONVERTIBLE(typename iterator_traits<_BI1>::value_type,
typename iterator_traits<_BI2>::value_type);
typedef typename __type_traits<typename iterator_traits<_BI2>::value_type>
::has_trivial_assignment_operator
_Trivial;
return __copy_backward_dispatch<_BI1, _BI2, _Trivial>
:
}
#else /* __STL_CLASS_PARTIAL_SPECIALIZATION */
template <class _BI1, class _BI2>
inline _BI2 copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) {
return __copy_backward(__first, __last, __result,
__ITERATOR_CATEGORY(__first),
__DISTANCE_TYPE(__first));
}
#endif /* __STL_CLASS_PARTIAL_SPECIALIZATION */
//--------------------------------------------------
// copy_n (not part of the C++ standard)
template <class _Inpu er, class _Size, class _Outpu er>
pair<_Inpu er, _Outpu er> __copy_n(_Inpu er __first, _Size __count,
_Outpu er __result,
input_iterator_tag) {
for ( ; __count > 0; --__count) {
*__result = *__first;
++__first;
++__result;
}
return pair<_Inpu er, _Outpu er>(__first, __result);
}
template <class _RAIter, class _Size, class _Outpu er>
inline pair<_RAIter, _Outpu er>
__copy_n(_RAIter __first, _Size __count,
_Outpu er __result,
random_access_iterator_tag) {
_RAIter __last = __first + __count;
return pair<_RAIter, _Outpu er>(__last, copy(__first, __last, __result));
}
template <class _Inpu er, class _Size, class _Outpu er>
inline pair<_Inpu er, _Outpu er>
__copy_n(_Inpu er __first, _Size __count, _Outpu er __result) {
return __copy_n(__first, __count, __result,
__ITERATOR_CATEGORY(__first));
}
template <class _Inpu er, class _Size, class _Outpu er>
inline pair<_Inpu er, _Outpu er>
copy_n(_Inpu er __first, _Size __count, _Outpu er __result) {
__STL_REQUIRES(_Inpu er, _Inpu erator);
__STL_REQUIRES(_Outpu er, _Outpu erator);
return __copy_n(__first, __count, __result);
}
//--------------------------------------------------
// fill and fill_n
template <class _ForwardIter, class _Tp>
void fill(_ForwardIter __first, _ForwardIter __last, const _Tp& __value) {
__STL_REQUIRES(_ForwardIter, _Mutable_ForwardIterator);
for ( ; __first != __last; ++__first)
*__first = __value;
}
template <class _Outpu er, class _Size, class _Tp>
_Outpu er fill_n(_Outpu er __first, _Size __n, const _Tp& __value) {
__STL_REQUIRES(_Outpu er, _Outpu erator);
for ( ; __n > 0; --__n, ++__first)
*__first = __value;
return __first;
}
// Specialization: for one-byte types we can use memset.
inline void fill(unsigned char* __first, unsigned char* __last,
const unsigned char& __c) {
unsigned char __tmp = __c;
memset(__first, __tmp, __last - __first);
}
inline void fill(signed char* __first, signed char* __last,
const signed char& __c) {
signed char __tmp = __c;
memset(__first, static_cast<unsigned char>(__tmp), __last - __first);
}
inline void fill(char* __first, char* __last, const char& __c) {
char __tmp = __c;
memset(__first, static_cast<unsigned char>(__tmp), __last - __first);
}
#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
template <class _Size>
inline unsigned char* fill_n(unsigned char* __first, _Size __n,
const unsigned char& __c) {
fill(__first, __first + __n, __c);
return __first + __n;
}
template <class _Size>
inline signed char* fill_n(char* __first, _Size __n,
const signed char& __c) {
fill(__first, __first + __n, __c);
return __first + __n;
}
template <class _Size>
inline char* fill_n(char* __first, _Size __n, const char& __c) {
fill(__first, __first + __n, __c);
return __first + __n;
}
#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
//--------------------------------------------------
// equal and mismatch
template <class _Inpu er1, class _Inpu er2>
pair<_Inpu er1, _Inpu er2> mismatch(_Inpu er1 __first1,
_Inpu er1 __last1,
_Inpu er2 __first2) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_EqualityComparable);
__STL_REQUIRES(typename iterator_traits<_Inpu er2>::value_type,
_EqualityComparable);
while (__first1 != __last1 && *__first1 == *__first2) {
++__first1;
++__first2;
}
return pair<_Inpu er1, _Inpu er2>(__first1, __first2);
}
template <class _Inpu er1, class _Inpu er2, class _BinaryPredicate>
pair<_Inpu er1, _Inpu er2> mismatch(_Inpu er1 __first1,
_Inpu er1 __last1,
_Inpu er2 __first2,
_BinaryPredicate __binary_pred) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
while (__first1 != __last1 && __binary_pred(*__first1, *__first2)) {
++__first1;
++__first2;
}
return pair<_Inpu er1, _Inpu er2>(__first1, __first2);
}
template <class _Inpu er1, class _Inpu er2>
inline bool equal(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_EqualityComparable);
__STL_REQUIRES(typename iterator_traits<_Inpu er2>::value_type,
_EqualityComparable);
for ( ; __first1 != __last1; ++__first1, ++__first2)
if (*__first1 != *__first2)
return false;
return true;
}
template <class _Inpu er1, class _Inpu er2, class _BinaryPredicate>
inline bool equal(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _BinaryPredicate __binary_pred) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
for ( ; __first1 != __last1; ++__first1, ++__first2)
if (!__binary_pred(*__first1, *__first2))
return false;
return true;
}
//--------------------------------------------------
// lexicographical_compare and lexicographical_compare_3way.
// (the latter is not part of the C++ standard.)
template <class _Inpu er1, class _Inpu er2>
bool lexicographical_compare(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
__STL_REQUIRES(typename iterator_traits<_Inpu er2>::value_type,
_LessThanComparable);
for ( ; __first1 != __last1 && __first2 != __last2
; ++__first1, ++__first2) {
if (*__first1 < *__first2)
return true;
if (*__first2 < *__first1)
return false;
}
return __first1 == __last1 && __first2 != __last2;
}
template <class _Inpu er1, class _Inpu er2, class _Compare>
bool lexicographical_compare(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2,
_Compare __comp) {
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
for ( ; __first1 != __last1 && __first2 != __last2
; ++__first1, ++__first2) {
if (__comp(*__first1, *__first2))
return true;
if (__comp(*__first2, *__first1))
return false;
}
return __first1 == __last1 && __first2 != __last2;
}
inline bool
lexicographical_compare(const unsigned char* __first1,
const unsigned char* __last1,
const unsigned char* __first2,
const unsigned char* __last2)
{
const size_t __len1 = __last1 - __first1;
const size_t __len2 = __last2 - __first2;
const int __result = memcmp(__first1, __first2, min(__len1, __len2));
return __result != 0 ? __result < 0 : __len1 < __len2;
}
inline bool lexicographical_compare(const char* __first1, const char* __last1,
const char* __first2, const char* __last2)
{
#if CHAR_MAX == SCHAR_MAX
return lexicographical_compare((const signed char*) __first1,
(const signed char*) __last1,
(const signed char*) __first2,
(const signed char*) __last2);
#else /* CHAR_MAX == SCHAR_MAX */
return lexicographical_compare((const unsigned char*) __first1,
(const unsigned char*) __last1,
(const unsigned char*) __first2,
(const unsigned char*) __last2);
#endif /* CHAR_MAX == SCHAR_MAX */
}
template <class _Inpu er1, class _Inpu er2>
int __lexicographical_compare_3way(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2)
{
while (__first1 != __last1 && __first2 != __last2) {
if (*__first1 < *__first2)
return -1;
if (*__first2 < *__first1)
return 1;
++__first1;
++__first2;
}
if (__first2 == __last2) {
return !(__first1 == __last1);
}
else {
return -1;
}
}
inline int
__lexicographical_compare_3way(const unsigned char* __first1,
const unsigned char* __last1,
const unsigned char* __first2,
const unsigned char* __last2)
{
const ptrdiff_t __len1 = __last1 - __first1;
const ptrdiff_t __len2 = __last2 - __first2;
const int __result = memcmp(__first1, __first2, min(__len1, __len2));
return __result != 0 ? __result
: (__len1 == __len2 ? 0 : (__len1 < __len2 ? -1 : 1));
}
inline int
__lexicographical_compare_3way(const char* __first1, const char* __last1,
const char* __first2, const char* __last2)
{
#if CHAR_MAX == SCHAR_MAX
return __lexicographical_compare_3way(
(const signed char*) __first1,
(const signed char*) __last1,
(const signed char*) __first2,
(const signed char*) __last2);
#else
return __lexicographical_compare_3way((const unsigned char*) __first1,
(const unsigned char*) __last1,
(const unsigned char*) __first2,
(const unsigned char*) __last2);
#endif
}
template <class _Inpu er1, class _Inpu er2>
int lexicographical_compare_3way(_Inpu er1 __first1, _Inpu er1 __last1,
_Inpu er2 __first2, _Inpu er2 __last2)
{
__STL_REQUIRES(_Inpu er1, _Inpu erator);
__STL_REQUIRES(_Inpu er2, _Inpu erator);
__STL_REQUIRES(typename iterator_traits<_Inpu er1>::value_type,
_LessThanComparable);
__STL_REQUIRES(typename iterator_traits<_Inpu er2>::value_type,
_LessThanComparable);
return __lexicographical_compare_3way(__first1, __last1, __first2, __last2);
}
__STL_END_NAMESPACE
#endif /* __SGI_STL_INTERNAL_ALGOBASE_H */
// Local Variables:
// mode:C++
// End:
/*
* Copyright (c) 1996-1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its do entation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting do entation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_INTERNAL_ALLOC_H
#define __SGI_STL_INTERNAL_ALLOC_H
#ifdef __SUNPRO_CC
# define __PRIVATE public
// Extra access restrictions prevent us from really making some things
// private.
#else
# define __PRIVATE private
#endif
#ifdef __STL_STATIC_TEMPLATE_MEMBER_BUG
# define __USE_MALLOC
#endif
// This implements some standard node allocators. These are
// NOT the same as the allocators in the C++ draft standard or in
// in the original STL. They do not encapsulate different pointer
// types; indeed we assume that there is only one pointer type.
// The allocation primitives are intended to allocate individual objects,
// not larger arenas as with the original STL allocators.
#ifndef __THROW_BAD_ALLOC
# if defined(__STL_NO_BAD_ALLOC) || !defined(__STL_USE_EXCEPTIONS)
# include <stdio.h>
# include <stdlib.h>
# define __THROW_BAD_ALLOC fprintf(stderr, "out of memory\n"); exit(1)
# else /* Standard conforming out-of-memory handling */
# include <new>
# define __THROW_BAD_ALLOC throw std::bad_alloc()
# endif
#endif
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#ifndef __RESTRICT
# define __RESTRICT
#endif
#ifdef __STL_THREADS
# include <stl_threads.h>
# define __NODE_ALLOCATOR_THREADS true
# ifdef __STL_SGI_THREADS
// We test whether threads are in use before locking.
// Perhaps this should be moved into stl_threads.h, but that
// probably makes it harder to avoid the procedure call when
// it isn't needed.
extern "C" {
extern int __us_rsthread_malloc;
}
// The above is copied from malloc.h. Including <malloc.h>
// would be cleaner but fails with certain levels of standard
// conformance.
# define __NODE_ALLOCATOR_LOCK if (threads && __us_rsthread_malloc) \
{ _S_node_allocator_lock._M_acquire_lock(); }
# define __NODE_ALLOCATOR_UNLOCK if (threads && __us_rsthread_malloc) \
{ _S_node_allocator_lock._M_release_lock(); }
# else /* !__STL_SGI_THREADS */
# define __NODE_ALLOCATOR_LOCK \
{ if (threads) _S_node_allocator_lock._M_acquire_lock(); }
# define __NODE_ALLOCATOR_UNLOCK \
{ if (threads) _S_node_allocator_lock._M_release_lock(); }
# endif
#else
// Thread-unsafe
# define __NODE_ALLOCATOR_LOCK
# define __NODE_ALLOCATOR_UNLOCK
# define __NODE_ALLOCATOR_THREADS false
#endif
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1174
#endif
// Malloc-based allocator. Typically slower than default alloc below.
// Typically thread-safe and more storage efficient.
#ifdef __STL_STATIC_TEMPLATE_MEMBER_BUG
# ifdef __DECLARE_GLOBALS_HERE
void (* __malloc_alloc_oom_handler)() = 0;
// g++ 2.7.2 does not handle static template data members.
# else
extern void (* __malloc_alloc_oom_handler)();
# endif
#endif
template <int __inst>
class __malloc_alloc_template {
private:
static void* _S_oom_malloc(size_t);
static void* _S_oom_realloc(void*, size_t);
#ifndef __STL_STATIC_TEMPLATE_MEMBER_BUG
static void (* __malloc_alloc_oom_handler)();
#endif
public:
static void* allocate(size_t __n)
{
void* __result = malloc(__n);
if (0 == __result) __result = _S_oom_malloc(__n);
return __result;
}
static void deallocate(void* __p, size_t /* __n */)
{
free(__p);
}
static void* reallocate(void* __p, size_t /* old_sz */, size_t __new_sz)
{
void* __result = realloc(__p, __new_sz);
if (0 == __result) __result = _S_oom_realloc(__p, __new_sz);
return __result;
}
static void (* __set_malloc_handler(void (*__f)()))()
{
void (* __old)() = __malloc_alloc_oom_handler;
__malloc_alloc_oom_handler = __f;
return(__old);
}
};
// malloc_alloc out-of-memory handling
#ifndef __STL_STATIC_TEMPLATE_MEMBER_BUG
template <int __inst>
void (* __malloc_alloc_template<__inst>::__malloc_alloc_oo m_handler)() = 0;
#endif
template <int __inst>
void*
__malloc_alloc_template<__inst>::_S_oom_malloc(siz e_t __n)
{
void (* __my_malloc_handler)();
void* __result;
for (;
__my_malloc_handler = __malloc_alloc_oom_handler;
if (0 == __my_malloc_handler) { __THROW_BAD_ALLOC; }
(*__my_malloc_handler)();
__result = malloc(__n);
if (__result) return(__result);
}
}
template <int __inst>
void* __malloc_alloc_template<__inst>::_S_oom_realloc(vo id* __p, size_t __n)
{
void (* __my_malloc_handler)();
void* __result;
for (;
__my_malloc_handler = __malloc_alloc_oom_handler;
if (0 == __my_malloc_handler) { __THROW_BAD_ALLOC; }
(*__my_malloc_handler)();
__result = realloc(__p, __n);
if (__result) return(__result);
}
}
typedef __malloc_alloc_template<0> malloc_alloc;
template<class _Tp, class _Alloc>
class simple_alloc {
public:
static _Tp* allocate(size_t __n)
{ return 0 == __n ? 0 : (_Tp*) _Alloc::allocate(__n * sizeof (_Tp)); }
static _Tp* allocate(void)
{ return (_Tp*) _Alloc::allocate(sizeof (_Tp)); }
static void deallocate(_Tp* __p, size_t __n)
{ if (0 != __n) _Alloc::deallocate(__p, __n * sizeof (_Tp)); }
static void deallocate(_Tp* __p)
{ _Alloc::deallocate(__p, sizeof (_Tp)); }
};
// Allocator adaptor to check size arguments for debugging.
// Reports errors using assert. Checking can be disabled with
// NDEBUG, but it's far better to just use the underlying allocator
// instead when no checking is desired.
// There is some evidence that this can confuse Purify.
template <class _Alloc>
class debug_alloc {
private:
enum {_S_extra = 8}; // Size of space used to store size. Note
// that this must be large enough to preserve
// alignment.
public:
static void* allocate(size_t __n)
{
char* __result = (char*)_Alloc::allocate(__n + (int) _S_extra);
*(size_t*)__result = __n;
return __result + (int) _S_extra;
}
static void deallocate(void* __p, size_t __n)
{
char* __real_p = (char*)__p - (int) _S_extra;
assert(*(size_t*)__real_p == __n);
_Alloc::deallocate(__real_p, __n + (int) _S_extra);
}
static void* reallocate(void* __p, size_t __old_sz, size_t __new_sz)
{
char* __real_p = (char*)__p - (int) _S_extra;
assert(*(size_t*)__real_p == __old_sz);
char* __result = (char*)
_Alloc::reallocate(__real_p, __old_sz + (int) _S_extra,
__new_sz + (int) _S_extra);
*(size_t*)__result = __new_sz;
return __result + (int) _S_extra;
}
};
# ifdef __USE_MALLOC
typedef malloc_alloc alloc;
typedef malloc_alloc single_client_alloc;
# else
// Default node allocator.
// With a reasonable compiler, this should be roughly as fast as the
// original STL class-specific allocators, but with less fragmentation.
// Default_alloc_template parameters are experimental and MAY
// DISAPPEAR in the future. Clients should just use alloc for now.
//
// Important implementation properties:
// 1. If the client request an object of size > _MAX_BYTES, the resulting
// object will be obtained directly from malloc.
// 2. In all other cases, we allocate an object of size exactly
// _S_round_up(requested_size). Thus the client has enough size
// information that we can return the object to the proper free list
// without permanently losing part of the object.
//
// The first template parameter specifies whether more than one thread
// may use this allocator. It is safe to allocate an object from
// one instance of a default_alloc and deallocate it with another
// one. This effectively transfers its ownership to the second one.
// This may have undesirable effects on reference locality.
// The second parameter is unreferenced and serves only to allow the
// creation of multiple default_alloc instances.
// Node that containers built on different allocator instances have
// different types, limiting the utility of this approach.
#if defined(__SUNPRO_CC) || defined(__GNUC__)
// breaks if we make these template class members:
enum {_ALIGN = 8};
enum {_MAX_BYTES = 128};
enum {_NFREELISTS = 16}; // _MAX_BYTES/_ALIGN
#endif
template <bool threads, int inst>
class __default_alloc_template {
private:
// Really we should use static const int x = N
// instead of enum { x = N }, but few compilers accept the former.
#if ! (defined(__SUNPRO_CC) || defined(__GNUC__))
enum {_ALIGN = 8};
enum {_MAX_BYTES = 128};
enum {_NFREELISTS = 16}; // _MAX_BYTES/_ALIGN
# endif
static size_t
_S_round_up(size_t __bytes)
{ return (((__bytes) + (size_t) _ALIGN-1) & ~((size_t) _ALIGN - 1)); }
__PRIVATE:
union _Obj {
union _Obj* _M_free_list_link;
char _M_client_data[1]; /* The client sees this. */
};
private:
# if defined(__SUNPRO_CC) || defined(__GNUC__) || defined(__HP_aCC)
static _Obj* __STL_VOLATILE _S_free_list[];
// Specifying a size results in duplicate def for 4.1
# else
static _Obj* __STL_VOLATILE _S_free_list[_NFREELISTS];
# endif
static size_t _S_freelist_index(size_t __bytes) {
return (((__bytes) + (size_t)_ALIGN-1)/(size_t)_ALIGN - 1);
}
// Returns an object of size __n, and optionally adds to size __n free list.
static void* _S_refill(size_t __n);
// Allocates a chunk for nobjs of size size. nobjs may be reduced
// if it is inconvenient to allocate the requested number.
static char* _S_chunk_alloc(size_t __size, int& __nobjs);
// Chunk allocation state.
static char* _S_start_free;
static char* _S_end_free;
static size_t _S_heap_size;
# ifdef __STL_THREADS
static _STL_mutex_lock _S_node_allocator_lock;
# endif
// It would be nice to use _STL_auto_lock here. But we
// don't need the NULL check. And we do need a test whether
// threads have actually been started.
class _Lock;
friend class _Lock;
class _Lock {
public:
_Lock() { __NODE_ALLOCATOR_LOCK; }
~_Lock() { __NODE_ALLOCATOR_UNLOCK; }
};
public:
/* __n must be > 0 */
static void* allocate(size_t __n)
{
void* __ret = 0;
if (__n > (size_t) _MAX_BYTES) {
__ret = malloc_alloc::allocate(__n);
}
else {
_Obj* __STL_VOLATILE* __my_free_list
= _S_free_list + _S_freelist_index(__n);
// Acquire the lock here with a constructor call.
// This ensures that it is released in exit or during stack
// unwinding.
# ifndef _NOTHREADS
/*REFERENCED*/
_Lock __lock_instance;
# endif
_Obj* __RESTRICT __result = *__my_free_list;
if (__result == 0)
__ret = _S_refill(_S_round_up(__n));
else {
*__my_free_list = __result -> _M_free_list_link;
__ret = __result;
}
}
return __ret;
};
/* __p may not be 0 */
static void deallocate(void* __p, size_t __n)
{
if (__n > (size_t) _MAX_BYTES)
malloc_alloc::deallocate(__p, __n);
else {
_Obj* __STL_VOLATILE* __my_free_list
= _S_free_list + _S_freelist_index(__n);
_Obj* __q = (_Obj*)__p;
// acquire lock
# ifndef _NOTHREADS
/*REFERENCED*/
_Lock __lock_instance;
# endif /* _NOTHREADS */
__q -> _M_free_list_link = *__my_free_list;
*__my_free_list = __q;
// lock is released here
}
}
static void* reallocate(void* __p, size_t __old_sz, size_t __new_sz);
} ;
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