mirror of git://gcc.gnu.org/git/gcc.git
125 lines
3.0 KiB
C++
125 lines
3.0 KiB
C++
// -*- C++ -*- forwarding header.
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// Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 26.5 C library
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//
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#ifndef _CPP_CMATH
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#define _CPP_CMATH 1
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#pragma GCC system_header
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#include <bits/c++config.h>
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#include_next <math.h>
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// Get rid of those macros defined in <math.h> in lieu of real functions.
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#undef abs
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#undef div
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#undef acos
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#undef asin
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#undef atan
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#undef atan2
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#undef ceil
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#undef cos
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#undef cosh
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#undef exp
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#undef fabs
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#undef floor
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#undef fmod
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#undef frexp
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#undef ldexp
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#undef log
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#undef log10
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#undef modf
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#undef pow
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#undef sin
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#undef sinh
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#undef sqrt
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#undef tan
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#undef tanh
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#undef fpclassify
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#undef isfinite
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#undef isinf
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#undef isnan
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#undef isnormal
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#undef signbit
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#undef isgreater
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#undef isgreaterequal
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#undef isless
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#undef islessequal
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#undef islessgreater
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#undef isunordered
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namespace std
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{
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inline double
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abs(double __x)
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{ return __builtin_fabs(__x); }
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inline float
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abs(float __x)
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{ return __builtin_fabsf(__x); }
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inline long double
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abs(long double __x)
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{ return __builtin_fabsl(__x); }
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#if _GLIBCPP_HAVE_MODFF
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inline float
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modf(float __x, float* __iptr) { return modff(__x, __iptr); }
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#else
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inline float
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modf(float __x, float* __iptr)
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{
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double __tmp;
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double __res = modf(static_cast<double>(__x), &__tmp);
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*__iptr = static_cast<float>(__tmp);
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return __res;
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}
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#endif
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#if _GLIBCPP_HAVE_MODFL
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inline long double
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modf(long double __x, long double* __iptr) { return modfl(__x, __iptr); }
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#else
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inline long double
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modf(long double __x, long double* __iptr)
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{
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double __tmp;
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double __res = modf(static_cast<double>(__x), &__tmp);
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* __iptr = static_cast<long double>(__tmp);
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return __res;
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}
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#endif
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}
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#endif
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