algorithm.cpp revision 355940 
1//===----------------------- algorithm.cpp --------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "algorithm"
10#include "random"
11#ifndef _LIBCPP_HAS_NO_THREADS
12#include "mutex"
13#if defined(__unix__) &&  defined(__ELF__) && defined(_LIBCPP_HAS_COMMENT_LIB_PRAGMA)
14#pragma comment(lib, "pthread")
15#endif
16#endif
17
18_LIBCPP_BEGIN_NAMESPACE_STD
19
20template void __sort<__less<char>&, char*>(char*, char*, __less<char>&);
21template void __sort<__less<wchar_t>&, wchar_t*>(wchar_t*, wchar_t*, __less<wchar_t>&);
22template void __sort<__less<signed char>&, signed char*>(signed char*, signed char*, __less<signed char>&);
23template void __sort<__less<unsigned char>&, unsigned char*>(unsigned char*, unsigned char*, __less<unsigned char>&);
24template void __sort<__less<short>&, short*>(short*, short*, __less<short>&);
25template void __sort<__less<unsigned short>&, unsigned short*>(unsigned short*, unsigned short*, __less<unsigned short>&);
26template void __sort<__less<int>&, int*>(int*, int*, __less<int>&);
27template void __sort<__less<unsigned>&, unsigned*>(unsigned*, unsigned*, __less<unsigned>&);
28template void __sort<__less<long>&, long*>(long*, long*, __less<long>&);
29template void __sort<__less<unsigned long>&, unsigned long*>(unsigned long*, unsigned long*, __less<unsigned long>&);
30template void __sort<__less<long long>&, long long*>(long long*, long long*, __less<long long>&);
31template void __sort<__less<unsigned long long>&, unsigned long long*>(unsigned long long*, unsigned long long*, __less<unsigned long long>&);
32template void __sort<__less<float>&, float*>(float*, float*, __less<float>&);
33template void __sort<__less<double>&, double*>(double*, double*, __less<double>&);
34template void __sort<__less<long double>&, long double*>(long double*, long double*, __less<long double>&);
35
36template bool __insertion_sort_incomplete<__less<char>&, char*>(char*, char*, __less<char>&);
37template bool __insertion_sort_incomplete<__less<wchar_t>&, wchar_t*>(wchar_t*, wchar_t*, __less<wchar_t>&);
38template bool __insertion_sort_incomplete<__less<signed char>&, signed char*>(signed char*, signed char*, __less<signed char>&);
39template bool __insertion_sort_incomplete<__less<unsigned char>&, unsigned char*>(unsigned char*, unsigned char*, __less<unsigned char>&);
40template bool __insertion_sort_incomplete<__less<short>&, short*>(short*, short*, __less<short>&);
41template bool __insertion_sort_incomplete<__less<unsigned short>&, unsigned short*>(unsigned short*, unsigned short*, __less<unsigned short>&);
42template bool __insertion_sort_incomplete<__less<int>&, int*>(int*, int*, __less<int>&);
43template bool __insertion_sort_incomplete<__less<unsigned>&, unsigned*>(unsigned*, unsigned*, __less<unsigned>&);
44template bool __insertion_sort_incomplete<__less<long>&, long*>(long*, long*, __less<long>&);
45template bool __insertion_sort_incomplete<__less<unsigned long>&, unsigned long*>(unsigned long*, unsigned long*, __less<unsigned long>&);
46template bool __insertion_sort_incomplete<__less<long long>&, long long*>(long long*, long long*, __less<long long>&);
47template bool __insertion_sort_incomplete<__less<unsigned long long>&, unsigned long long*>(unsigned long long*, unsigned long long*, __less<unsigned long long>&);
48template bool __insertion_sort_incomplete<__less<float>&, float*>(float*, float*, __less<float>&);
49template bool __insertion_sort_incomplete<__less<double>&, double*>(double*, double*, __less<double>&);
50template bool __insertion_sort_incomplete<__less<long double>&, long double*>(long double*, long double*, __less<long double>&);
51
52template unsigned __sort5<__less<long double>&, long double*>(long double*, long double*, long double*, long double*, long double*, __less<long double>&);
53
54#ifndef _LIBCPP_HAS_NO_THREADS
55_LIBCPP_SAFE_STATIC static __libcpp_mutex_t __rs_mut = _LIBCPP_MUTEX_INITIALIZER;
56#endif
57unsigned __rs_default::__c_ = 0;
58
59__rs_default::__rs_default()
60{
61#ifndef _LIBCPP_HAS_NO_THREADS
62    __libcpp_mutex_lock(&__rs_mut);
63#endif
64    __c_ = 1;
65}
66
67__rs_default::__rs_default(const __rs_default&)
68{
69    ++__c_;
70}
71
72__rs_default::~__rs_default()
73{
74#ifndef _LIBCPP_HAS_NO_THREADS
75    if (--__c_ == 0)
76       __libcpp_mutex_unlock(&__rs_mut);
77#else
78    --__c_;
79#endif
80}
81
82__rs_default::result_type
83__rs_default::operator()()
84{
85    static mt19937 __rs_g;
86    return __rs_g();
87}
88
89__rs_default
90__rs_get()
91{
92    return __rs_default();
93}
94
95_LIBCPP_END_NAMESPACE_STD
96