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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [include/] [c/] [std_cmath.h] - Rev 17
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// -*- 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