| // -*- C++ -*- forwarding header. |
| |
| // Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 2, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING. If not, write to the Free |
| // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| |
| // |
| // ISO C++ 14882: 26.5 C library |
| // |
| |
| #ifndef _GLIBCXX_CMATH |
| #define _GLIBCXX_CMATH 1 |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| |
| #include_next <math.h> |
| |
| // Get rid of those macros defined in <math.h> in lieu of real functions. |
| #undef abs |
| #undef div |
| #undef acos |
| #undef asin |
| #undef atan |
| #undef atan2 |
| #undef ceil |
| #undef cos |
| #undef cosh |
| #undef exp |
| #undef fabs |
| #undef floor |
| #undef fmod |
| #undef frexp |
| #undef ldexp |
| #undef log |
| #undef log10 |
| #undef modf |
| #undef pow |
| #undef sin |
| #undef sinh |
| #undef sqrt |
| #undef tan |
| #undef tanh |
| |
| #undef fpclassify |
| #undef isfinite |
| #undef isinf |
| #undef isnan |
| #undef isnormal |
| #undef signbit |
| #undef isgreater |
| #undef isgreaterequal |
| #undef isless |
| #undef islessequal |
| #undef islessgreater |
| #undef isunordered |
| |
| namespace std |
| { |
| inline double |
| abs(double __x) |
| { return __builtin_fabs(__x); } |
| |
| inline float |
| abs(float __x) |
| { return __builtin_fabsf(__x); } |
| |
| inline long double |
| abs(long double __x) |
| { return __builtin_fabsl(__x); } |
| |
| #if _GLIBCXX_HAVE_MODFF |
| inline float |
| modf(float __x, float* __iptr) { return modff(__x, __iptr); } |
| #else |
| inline float |
| modf(float __x, float* __iptr) |
| { |
| double __tmp; |
| double __res = modf(static_cast<double>(__x), &__tmp); |
| *__iptr = static_cast<float>(__tmp); |
| return __res; |
| } |
| #endif |
| |
| #if _GLIBCXX_HAVE_MODFL |
| inline long double |
| modf(long double __x, long double* __iptr) { return modfl(__x, __iptr); } |
| #else |
| inline long double |
| modf(long double __x, long double* __iptr) |
| { |
| double __tmp; |
| double __res = modf(static_cast<double>(__x), &__tmp); |
| * __iptr = static_cast<long double>(__tmp); |
| return __res; |
| } |
| #endif |
| } |
| #endif |