1 1.1 mrg // -*- C++ -*- forwarding header. 2 1.1 mrg 3 1.1.1.12 mrg // Copyright (C) 2000-2024 Free Software Foundation, Inc. 4 1.1 mrg // 5 1.1 mrg // This file is part of the GNU ISO C++ Library. This library is free 6 1.1 mrg // software; you can redistribute it and/or modify it under the 7 1.1 mrg // terms of the GNU General Public License as published by the 8 1.1 mrg // Free Software Foundation; either version 3, or (at your option) 9 1.1 mrg // any later version. 10 1.1 mrg 11 1.1 mrg // This library is distributed in the hope that it will be useful, 12 1.1 mrg // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 1.1 mrg // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 1.1 mrg // GNU General Public License for more details. 15 1.1 mrg 16 1.1 mrg // Under Section 7 of GPL version 3, you are granted additional 17 1.1 mrg // permissions described in the GCC Runtime Library Exception, version 18 1.1 mrg // 3.1, as published by the Free Software Foundation. 19 1.1 mrg 20 1.1 mrg // You should have received a copy of the GNU General Public License and 21 1.1 mrg // a copy of the GCC Runtime Library Exception along with this program; 22 1.1 mrg // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 1.1 mrg // <http://www.gnu.org/licenses/>. 24 1.1 mrg 25 1.1 mrg // 26 1.1 mrg // ISO C++ 14882: 26.5 C library 27 1.1 mrg // 28 1.1 mrg 29 1.1 mrg #ifndef _GLIBCXX_CMATH 30 1.1 mrg #define _GLIBCXX_CMATH 1 31 1.1 mrg 32 1.1 mrg #pragma GCC system_header 33 1.1 mrg 34 1.1 mrg #include <bits/c++config.h> 35 1.1 mrg 36 1.1 mrg #include_next <math.h> 37 1.1 mrg 38 1.1 mrg // Get rid of those macros defined in <math.h> in lieu of real functions. 39 1.1 mrg #undef abs 40 1.1 mrg #undef div 41 1.1 mrg #undef acos 42 1.1 mrg #undef asin 43 1.1 mrg #undef atan 44 1.1 mrg #undef atan2 45 1.1 mrg #undef ceil 46 1.1 mrg #undef cos 47 1.1 mrg #undef cosh 48 1.1 mrg #undef exp 49 1.1 mrg #undef fabs 50 1.1 mrg #undef floor 51 1.1 mrg #undef fmod 52 1.1 mrg #undef frexp 53 1.1 mrg #undef ldexp 54 1.1 mrg #undef log 55 1.1 mrg #undef log10 56 1.1 mrg #undef modf 57 1.1 mrg #undef pow 58 1.1 mrg #undef sin 59 1.1 mrg #undef sinh 60 1.1 mrg #undef sqrt 61 1.1 mrg #undef tan 62 1.1 mrg #undef tanh 63 1.1 mrg 64 1.1 mrg #undef fpclassify 65 1.1 mrg #undef isfinite 66 1.1 mrg #undef isinf 67 1.1 mrg #undef isnan 68 1.1 mrg #undef isnormal 69 1.1 mrg #undef signbit 70 1.1 mrg #undef isgreater 71 1.1 mrg #undef isgreaterequal 72 1.1 mrg #undef isless 73 1.1 mrg #undef islessequal 74 1.1 mrg #undef islessgreater 75 1.1 mrg #undef isunordered 76 1.1 mrg 77 1.1.1.2 mrg namespace std _GLIBCXX_VISIBILITY(default) 78 1.1 mrg { 79 1.1 mrg inline double 80 1.1 mrg abs(double __x) 81 1.1 mrg { return __builtin_fabs(__x); } 82 1.1 mrg 83 1.1 mrg inline float 84 1.1 mrg abs(float __x) 85 1.1 mrg { return __builtin_fabsf(__x); } 86 1.1 mrg 87 1.1 mrg inline long double 88 1.1 mrg abs(long double __x) 89 1.1 mrg { return __builtin_fabsl(__x); } 90 1.1 mrg 91 1.1 mrg #if _GLIBCXX_HAVE_MODFF 92 1.1 mrg inline float 93 1.1 mrg modf(float __x, float* __iptr) { return modff(__x, __iptr); } 94 1.1 mrg #else 95 1.1 mrg inline float 96 1.1 mrg modf(float __x, float* __iptr) 97 1.1 mrg { 98 1.1 mrg double __tmp; 99 1.1 mrg double __res = modf(static_cast<double>(__x), &__tmp); 100 1.1 mrg *__iptr = static_cast<float>(__tmp); 101 1.1 mrg return __res; 102 1.1 mrg } 103 1.1 mrg #endif 104 1.1 mrg 105 1.1 mrg #if _GLIBCXX_HAVE_MODFL 106 1.1 mrg inline long double 107 1.1 mrg modf(long double __x, long double* __iptr) { return modfl(__x, __iptr); } 108 1.1 mrg #else 109 1.1 mrg inline long double 110 1.1 mrg modf(long double __x, long double* __iptr) 111 1.1 mrg { 112 1.1 mrg double __tmp; 113 1.1 mrg double __res = modf(static_cast<double>(__x), &__tmp); 114 1.1 mrg * __iptr = static_cast<long double>(__tmp); 115 1.1 mrg return __res; 116 1.1 mrg } 117 1.1 mrg #endif 118 1.1 mrg } 119 1.1 mrg #endif 120
Indexes created Tue Oct 27 00:25:24 UTC 2026