libstdc++
stdlib.h
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1 // -*- C++ -*- compatibility header.
2 
3 // Copyright (C) 2002-2017 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 /** @file stdlib.h
26  * This is a Standard C++ Library header.
27  */
28 
29 #if !defined __cplusplus || defined _GLIBCXX_INCLUDE_NEXT_C_HEADERS
30 # include_next <stdlib.h>
31 #else
32 
33 #ifndef _GLIBCXX_STDLIB_H
34 #define _GLIBCXX_STDLIB_H 1
35 
36 # include <cstdlib>
37 
38 using std::abort;
39 using std::atexit;
40 using std::exit;
41 #if __cplusplus >= 201103L
42 # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
43  using std::at_quick_exit;
44 # endif
45 # ifdef _GLIBCXX_HAVE_QUICK_EXIT
46  using std::quick_exit;
47 # endif
48 #endif
49 
50 #if _GLIBCXX_HOSTED
51 using std::div_t;
52 using std::ldiv_t;
53 
54 using std::abs;
55 using std::atof;
56 using std::atoi;
57 using std::atol;
58 using std::bsearch;
59 using std::calloc;
60 using std::div;
61 using std::free;
62 using std::getenv;
63 using std::labs;
64 using std::ldiv;
65 using std::malloc;
66 #ifdef _GLIBCXX_HAVE_MBSTATE_T
67 using std::mblen;
68 using std::mbstowcs;
69 using std::mbtowc;
70 #endif // _GLIBCXX_HAVE_MBSTATE_T
71 using std::qsort;
72 using std::rand;
73 using std::realloc;
74 using std::srand;
75 using std::strtod;
76 using std::strtol;
77 using std::strtoul;
78 using std::system;
79 #ifdef _GLIBCXX_USE_WCHAR_T
80 using std::wcstombs;
81 using std::wctomb;
82 #endif // _GLIBCXX_USE_WCHAR_T
83 #endif
84 
85 #endif // _GLIBCXX_STDLIB_H
86 #endif // __cplusplus
_Tp abs(const complex< _Tp > &)
Return magnitude of z.
Definition: complex:601