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gcc/libstdc++-v3/bits/std_cmath.h
H.J. Lu 6c329b9314 acinclude.m4: Change "#pragma system_header" to "#pragma GCC system_header". 
2000-07-20  H.J. Lu  (hjl@gnu.org)

        * acinclude.m4: Change "#pragma system_header" to
        "#pragma GCC system_header".
        * aclocal.m4: Likewise.
        * bits/std_cmath.h: Likewise.
        * bits/std_cassert.h: Likewise.
        * bits/std_cctype.h: Likewise.
        * bits/std_cerrno.h: Likewise.
        * bits/std_cfloat.h: Likewise.
        * bits/std_climits.h: Likewise.
        * bits/std_clocale.h: Likewise.
        * bits/std_cwchar.h: Likewise.
        * bits/std_csetjmp.h: Likewise.
        * bits/std_csignal.h: Likewise.
        * bits/std_cstdarg.h: Likewise.
        * bits/std_cstddef.h: Likewise.
        * bits/std_cstdio.h: Likewise.
        * bits/std_cstdlib.h: Likewise.
        * bits/std_cstring.h: Likewise.
        * bits/std_ctime.h: Likewise.
        * bits/std_cwctype.h: Likewise.
        * bits/std_exception.h: Likewise.
        * bits/std_new.h: Likewise.
        * bits/std_typeinfo.h: Likewise.
        * shadow/bits/std_cassert.h: Likewise.
        * shadow/bits/std_cctype.h: Likewise.
        * shadow/bits/std_cerrno.h: Likewise.
        * shadow/bits/std_cfloat.h: Likewise.
        * shadow/bits/std_climits.h: Likewise.
        * shadow/bits/std_clocale.h: Likewise.
        * shadow/bits/std_cmath.h: Likewise.
        * shadow/bits/std_csetjmp.h: Likewise.
        * shadow/bits/std_csignal.h: Likewise.
        * shadow/bits/std_cstdarg.h: Likewise.
        * shadow/bits/std_cstddef.h: Likewise.
        * shadow/bits/std_cstdio.h: Likewise.
        * shadow/bits/std_cstdlib.h: Likewise.
        * shadow/bits/std_cstring.h: Likewise.
        * shadow/bits/std_ctime.h: Likewise.
        * shadow/bits/std_cwchar.h: Likewise.
        * shadow/bits/std_cwctype.h: Likewise.
        * shadow/bits/wrap_libio.h: Likewise.
        * shadow/bits/wrap_unistd.h: Likewise.
        * shadow/sys/cdefs.h: Likewise.

        * configure: Rebuild.

From-SVN: r35167
2000-07-21 01:02:32 +00:00

497 lines
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// -*- C++ -*- C math library.
// Copyright (C) 1997, 1998, 1999, 2000 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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
//
// Note: this is not a conforming implementation.
#ifndef _CPP_CMATH
#define _CPP_CMATH 1
# pragma GCC system_header
# include_next <math.h>
# include_next <stdlib.h>
# include <bits/c++config.h>
namespace std {
//
// float
//
#if _GLIBCPP_HAVE___BUILTIN_FABSF
inline float abs(float __x)
{ return __builtin_fabsf(__x); }
#elif _GLIBCPP_HAVE_FABSF
inline float abs(float __x)
{ return ::fabsf(__x); }
#else
inline float abs(float __x)
{ return ::fabs(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_ACOSF
inline float acos(float __x)
{ return ::acosf(__x); }
#else
inline float acos(float __x)
{ return ::acos(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_ASINF
inline float asin(float __x)
{ return ::asinf(__x); }
#else
inline float asin(float __x)
{ return ::asin(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_ATANF
inline float atan(float __x)
{ return ::atanf(__x); }
#else
inline float atan(float __x)
{ return ::atan(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_ATAN2F
inline float atan2(float __y, float __x)
{ return ::atan2f(__y, __x); }
#else
inline float atan2(float __y, float __x)
{ return ::atan2(static_cast<double>(__y), static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_CEILF
inline float ceil(float __x)
{ return ::ceilf(__x); }
#else
inline float ceil(float __x)
{ return ::ceil(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_COSF
inline float cos(float __x)
{ return __builtin_cosf(__x); }
#elif _GLIBCPP_HAVE_COSF
inline float cos(float __x)
{ return ::cosf(__x); }
#else
inline float cos(float __x)
{ return ::cos(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_COSHF
inline float cosh(float __x)
{ return ::coshf(__x); }
#else
inline float cosh(float __x)
{ return ::cosh(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_EXPF
inline float exp(float __x)
{ return ::expf(__x); }
#else
inline float exp(float __x)
{ return ::exp(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_FABSF
inline float fabs(float __x)
{ return __builtin_fabsf(__x); }
#elif _GLIBCPP_HAVE_FABSF
inline float fabs(float __x)
{ return ::fabsf(__x); }
#else
inline float fabs(float __x)
{ return ::fabs(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_FLOORF
inline float floor(float __x)
{ return ::floorf(__x); }
#else
inline float floor(float __x)
{ return ::floor(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_FMODF
inline float fmod(float __x, float __y)
{ return ::fmodf(__x, __y); }
#else
inline float fmod(float __x, float __y)
{ return ::fmod(static_cast<double>(__x), static_cast<double>(__y)); }
#endif
#if _GLIBCPP_HAVE_FREXPF
inline float frexp(float __x, int* __exp)
{ return ::frexpf(__x, __exp); }
#else
inline float frexp(float __x, int* __exp)
{ return ::frexp(__x, __exp); }
#endif
#if _GLIBCPP_HAVE_LDEXPF
inline float ldexp(float __x, int __exp)
{ return ::ldexpf(__x, __exp); }
#else
inline float ldexp(float __x, int __exp)
{ return ::ldexp(static_cast<double>(__x), __exp); }
#endif
#if _GLIBCPP_HAVE_LOGF
inline float log(float __x)
{ return ::logf(__x); }
#else
inline float log(float __x)
{ return ::log(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_LOG10F
inline float log10(float __x)
{ return ::log10f(__x); }
#else
inline float log10(float __x)
{ return ::log10(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_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 _GLIBCPP_HAVE_POWF
inline float pow(float __x, float __y)
{ return ::powf(__x, __y); }
#else
inline float pow(float __x, float __y)
{ return ::pow(static_cast<double>(__x), static_cast<double>(__y)); }
#endif
float pow(float, int);
#if _GLIBCPP_HAVE___BUILTIN_SINF
inline float sin(float __x)
{ return __builtin_sinf(__x); }
#elif _GLIBCPP_HAVE_SINF
inline float sin(float __x)
{ return ::sinf(__x); }
#else
inline float sin(float __x)
{ return ::sin(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_SINHF
inline float sinh(float __x)
{ return ::sinhf(__x); }
#else
inline float sinh(float __x)
{ return ::sinh(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_SQRTF
inline float sqrt(float __x)
{ return __builtin_sqrtf(__x); }
#elif _GLIBCPP_HAVE_SQRTF
inline float sqrt(float __x)
{ return ::sqrtf(__x); }
#else
inline float sqrt(float __x)
{ return ::sqrt(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_TANF
inline float tan(float __x)
{ return ::tanf(__x); }
#else
inline float tan(float __x)
{ return ::tan(static_cast<double>(__x)); }
#endif
#if _GLIBCPP_HAVE_TANHF
inline float tanh(float __x)
{ return ::tanhf(__x); }
#else
inline float tanh(float __x)
{ return ::tanh(static_cast<double>(__x)); }
#endif
//
// double
//
#if _GLIBCPP_HAVE___BUILTIN_FABS
inline double abs(double __x)
{ return __builtin_fabs(__x); }
#else
inline double abs(double __x)
{ return ::fabs(__x); }
#endif
inline double acos(double __x)
{ return ::acos(__x); }
inline double asin(double __x)
{ return ::asin(__x); }
inline double atan(double __x)
{ return ::atan(__x); }
inline double atan2(double __y, double __x)
{ return ::atan2(__y, __x); }
inline double ceil(double __x)
{ return ::ceil(__x); }
#if _GLIBCPP_HAVE___BUILTIN_COS
inline double cos(double __x)
{ return __builtin_cos(__x); }
#else
inline double cos(double __x)
{ return ::cos(__x); }
#endif
inline double cosh(double __x)
{ return ::cosh(__x); }
inline double exp(double __x)
{ return ::exp(__x); }
#if _GLIBCPP_HAVE___BUILTIN_FABS
inline double fabs(double __x)
{ return __builtin_fabs(__x); }
#else
inline double fabs(double __x)
{ return ::fabs(__x); }
#endif
inline double floor(double __x)
{ return ::floor(__x); }
inline double fmod(double __x, double __y)
{ return ::fmod(__x, __y); }
inline double frexp(double __x, int* __exp)
{ return ::frexp(__x, __exp); }
inline double ldexp(double __x, int __exp)
{ return ::ldexp(__x, __exp); }
inline double log(double __x)
{ return ::log(__x); }
inline double log10(double __x)
{ return ::log10(__x); }
inline double modf(double __x, double* __iptr)
{ return ::modf(__x, __iptr); }
inline double pow(double __x, double __y)
{ return ::pow(__x, __y); }
double pow (double, int);
#if _GLIBCPP_HAVE___BUILTIN_SIN
inline double sin(double __x)
{ return __builtin_sin(__x); }
#else
inline double sin(double __x)
{ return ::sin(__x); }
#endif
inline double sinh(double __x)
{ return ::sinh(__x); }
#if _GLIBCPP_HAVE___BUILTIN_SQRT
inline double sqrt(double __x)
{ return __builtin_fsqrt(__x); }
#else
inline double sqrt(double __x)
{ return ::sqrt(__x); }
#endif
inline double tan(double __x)
{ return ::tan(__x); }
inline double tanh(double __x)
{ return ::tanh(__x); }
//
// long double
//
#if _GLIBCPP_HAVE___BUILTIN_FABSL
inline long double abs(long double __x)
{ return __builtin_fabsl(__x); }
#elif _GLIBCPP_HAVE_FABSL
inline long double abs(long double __x)
{ return ::fabsl(__x); }
#endif
#if _GLIBCPP_HAVE_ACOSL
inline long double acos(long double __x)
{ return ::acosl(__x); }
#endif
#if _GLIBCPP_HAVE_ASINL
inline long double asin(long double __x)
{ return ::asinl(__x); }
#endif
#if _GLIBCPP_HAVE_ATANL
inline long double atan(long double __x)
{ return ::atanl(__x); }
#endif
#if _GLIBCPP_HAVE_ATAN2L
inline long double atan2(long double __y, long double __x)
{ return ::atan2l(__y, __x); }
#endif
#if _GLIBCPP_HAVE_CEILL
inline long double ceil(long double __x)
{ return ::ceill(__x); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_COSL
inline long double cos(long double __x)
{ return __builtin_cosl(__x); }
#elif _GLIBCPP_HAVE_COSL
inline long double cos(long double __x)
{ return ::cosl(__x); }
#endif
#if _GLIBCPP_HAVE_COSHL
inline long double cosh(long double __x)
{ return ::coshl(__x); }
#endif
#if _GLIBCPP_HAVE_EXPL
inline long double exp(long double __x)
{ return ::expl(__x); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_FABSL
inline long double fabs(long double __x)
{ return __builtin_fabsl(__x); }
#elif _GLIBCPP_HAVE_FABSL
inline long double fabs(long double __x)
{ return ::fabsl(__x); }
#endif
#if _GLIBCPP_HAVE_FLOORL
inline long double floor(long double __x)
{ return ::floorl(__x); }
#endif
#if _GLIBCPP_HAVE_FMODL
inline long double fmod(long double __x, long double __y)
{ return ::fmodl(__x, __y); }
#endif
#if _GLIBCPP_HAVE_FREXPL
inline long double frexp(long double __x, int* __exp)
{ return ::frexpl(__x, __exp); }
#endif
#if _GLIBCPP_HAVE_LDEXPL
inline long double ldexp(long double __x, int __exp)
{ return ::ldexpl(__x, __exp); }
#endif
#if _GLIBCPP_HAVE_LOGL
inline long double log(long double __x)
{ return ::logl(__x); }
#endif
#if _GLIBCPP_HAVE_LOG10L
inline long double log10(long double __x)
{ return ::log10l(__x); }
#endif
#if _GLIBCPP_HAVE_MODFL
inline long double modf(long double __x, long double* __iptr)
{ return ::modfl(__x, __iptr); }
#endif
#if _GLIBCPP_HAVE_POWL
inline long double pow(long double __x, long double __y)
{ return ::powl(__x, __y); }
#endif
long double pow(long double, int);
#if _GLIBCPP_HAVE___BUILTIN_SINL
inline long double sin(long double __x)
{ return __builtin_sinl(__x); }
#elif _GLIBCPP_HAVE_SINL
inline long double sin(long double __x)
{ return ::sinl(__x); }
#endif
#if _GLIBCPP_HAVE_SINHL
inline long double sinh(long double __x)
{ return ::sinhl(__x); }
#endif
#if _GLIBCPP_HAVE___BUILTIN_SQRTL
inline long double sqrt(long double __x)
{ return __builtin_sqrtl(__x); }
#elif _GLIBCPP_HAVE_SQRTL
inline long double sqrt(long double __x)
{ return ::sqrtl(__x); }
#endif
#if _GLIBCPP_HAVE_TANL
inline long double tan(long double __x)
{ return ::tanl(__x); }
#endif
#if _GLIBCPP_HAVE_TANHL
inline long double tanh(long double __x)
{ return ::tanhl(__x); }
#endif
} // std
#endif // _CPP_CMATH
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