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Diffstat (limited to 'libstdc++-v3/include/c_std/cmath')
| -rw-r--r-- | libstdc++-v3/include/c_std/cmath | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/libstdc++-v3/include/c_std/cmath b/libstdc++-v3/include/c_std/cmath new file mode 100644 index 000000000..13eef4084 --- /dev/null +++ b/libstdc++-v3/include/c_std/cmath @@ -0,0 +1,586 @@ +// -*- C++ -*- C forwarding header. + +// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, +// 2006, 2007, 2008, 2009, 2010 +// 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 3, 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. + +// Under Section 7 of GPL version 3, you are granted additional +// permissions described in the GCC Runtime Library Exception, version +// 3.1, as published by the Free Software Foundation. + +// You should have received a copy of the GNU General Public License and +// a copy of the GCC Runtime Library Exception along with this program; +// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +// <http://www.gnu.org/licenses/>. + +/** @file include/cmath + * This is a Standard C++ Library file. You should @c #include this file + * in your programs, rather than any of the @a *.h implementation files. + * + * This is the C++ version of the Standard C Library header @c math.h, + * and its contents are (mostly) the same as that header, but are all + * contained in the namespace @c std (except for names which are defined + * as macros in C). + */ + +// +// ISO C++ 14882: 26.5 C library +// + +#ifndef _GLIBCXX_CMATH +#define _GLIBCXX_CMATH 1 + +#pragma GCC system_header + +#include <bits/c++config.h> +#include <bits/cpp_type_traits.h> +#include <ext/type_traits.h> + +#include <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 + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + 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); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + abs(_Tp __x) + { return __builtin_fabs(__x); } + + using ::acos; + + inline float + acos(float __x) + { return __builtin_acosf(__x); } + + inline long double + acos(long double __x) + { return __builtin_acosl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + acos(_Tp __x) + { return __builtin_acos(__x); } + + using ::asin; + + inline float + asin(float __x) + { return __builtin_asinf(__x); } + + inline long double + asin(long double __x) + { return __builtin_asinl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + asin(_Tp __x) + { return __builtin_asin(__x); } + + using ::atan; + + inline float + atan(float __x) + { return __builtin_atanf(__x); } + + inline long double + atan(long double __x) + { return __builtin_atanl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + atan(_Tp __x) + { return __builtin_atan(__x); } + + using ::atan2; + + inline float + atan2(float __y, float __x) + { return __builtin_atan2f(__y, __x); } + + inline long double + atan2(long double __y, long double __x) + { return __builtin_atan2l(__y, __x); } + + template<typename _Tp, typename _Up> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value + && __is_integer<_Up>::__value, + double>::__type + atan2(_Tp __y, _Up __x) + { return __builtin_atan2(__y, __x); } + + using ::ceil; + + inline float + ceil(float __x) + { return __builtin_ceilf(__x); } + + inline long double + ceil(long double __x) + { return __builtin_ceill(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + ceil(_Tp __x) + { return __builtin_ceil(__x); } + + using ::cos; + + inline float + cos(float __x) + { return __builtin_cosf(__x); } + + inline long double + cos(long double __x) + { return __builtin_cosl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + cos(_Tp __x) + { return __builtin_cos(__x); } + + using ::cosh; + + inline float + cosh(float __x) + { return __builtin_coshf(__x); } + + inline long double + cosh(long double __x) + { return __builtin_coshl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + cosh(_Tp __x) + { return __builtin_cosh(__x); } + + using ::exp; + + inline float + exp(float __x) + { return __builtin_expf(__x); } + + inline long double + exp(long double __x) + { return __builtin_expl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + exp(_Tp __x) + { return __builtin_exp(__x); } + + using ::fabs; + + inline float + fabs(float __x) + { return __builtin_fabsf(__x); } + + inline long double + fabs(long double __x) + { return __builtin_fabsl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + fabs(_Tp __x) + { return __builtin_fabs(__x); } + + using ::floor; + + inline float + floor(float __x) + { return __builtin_floorf(__x); } + + inline long double + floor(long double __x) + { return __builtin_floorl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + floor(_Tp __x) + { return __builtin_floor(__x); } + + using ::fmod; + + inline float + fmod(float __x, float __y) + { return __builtin_fmodf(__x, __y); } + + inline long double + fmod(long double __x, long double __y) + { return __builtin_fmodl(__x, __y); } + + using ::frexp; + + inline float + frexp(float __x, int* __exp) + { return __builtin_frexpf(__x, __exp); } + + inline long double + frexp(long double __x, int* __exp) + { return __builtin_frexpl(__x, __exp); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + frexp(_Tp __x, int* __exp) + { return __builtin_frexp(__x, __exp); } + + using ::ldexp; + + inline float + ldexp(float __x, int __exp) + { return __builtin_ldexpf(__x, __exp); } + + inline long double + ldexp(long double __x, int __exp) + { return __builtin_ldexpl(__x, __exp); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + ldexp(_Tp __x, int __exp) + { return __builtin_ldexp(__x, __exp); } + + using ::log; + + inline float + log(float __x) + { return __builtin_logf(__x); } + + inline long double + log(long double __x) + { return __builtin_logl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + log(_Tp __x) + { return __builtin_log(__x); } + + using ::log10; + + inline float + log10(float __x) + { return __builtin_log10f(__x); } + + inline long double + log10(long double __x) + { return __builtin_log10l(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + log10(_Tp __x) + { return __builtin_log10(__x); } + + using ::modf; + + inline float + modf(float __x, float* __iptr) + { return __builtin_modff(__x, __iptr); } + + inline long double + modf(long double __x, long double* __iptr) + { return __builtin_modfl(__x, __iptr); } + + using ::pow; + + inline float + pow(float __x, float __y) + { return __builtin_powf(__x, __y); } + + inline long double + pow(long double __x, long double __y) + { return __builtin_powl(__x, __y); } + + inline double + pow(double __x, int __i) + { return __builtin_powi(__x, __i); } + + inline float + pow(float __x, int __n) + { return __builtin_powif(__x, __n); } + + inline long double + pow(long double __x, int __n) + { return __builtin_powil(__x, __n); } + + using ::sin; + + inline float + sin(float __x) + { return __builtin_sinf(__x); } + + inline long double + sin(long double __x) + { return __builtin_sinl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + sin(_Tp __x) + { return __builtin_sin(__x); } + + using ::sinh; + + inline float + sinh(float __x) + { return __builtin_sinhf(__x); } + + inline long double + sinh(long double __x) + { return __builtin_sinhl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + sinh(_Tp __x) + { return __builtin_sinh(__x); } + + using ::sqrt; + + inline float + sqrt(float __x) + { return __builtin_sqrtf(__x); } + + inline long double + sqrt(long double __x) + { return __builtin_sqrtl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + sqrt(_Tp __x) + { return __builtin_sqrt(__x); } + + using ::tan; + + inline float + tan(float __x) + { return __builtin_tanf(__x); } + + inline long double + tan(long double __x) + { return __builtin_tanl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + tan(_Tp __x) + { return __builtin_tan(__x); } + + using ::tanh; + + inline float + tanh(float __x) + { return __builtin_tanhf(__x); } + + inline long double + tanh(long double __x) + { return __builtin_tanhl(__x); } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_integer<_Tp>::__value, + double>::__type + tanh(_Tp __x) + { return __builtin_tanh(__x); } + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +#if _GLIBCXX_USE_C99_MATH +#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC + +// These are possible macros imported from C99-land. +#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 _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + fpclassify(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, + FP_SUBNORMAL, FP_ZERO, __type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isfinite(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isfinite(__type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isinf(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isinf(__type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isnan(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isnan(__type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isnormal(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isnormal(__type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + signbit(_Tp __f) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_signbit(__type(__f)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isgreater(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isgreater(__type(__f1), __type(__f2)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isgreaterequal(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isgreaterequal(__type(__f1), __type(__f2)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isless(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isless(__type(__f1), __type(__f2)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + islessequal(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_islessequal(__type(__f1), __type(__f2)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + islessgreater(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_islessgreater(__type(__f1), __type(__f2)); + } + + template<typename _Tp> + inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value, + int>::__type + isunordered(_Tp __f1, _Tp __f2) + { + typedef typename __gnu_cxx::__promote<_Tp>::__type __type; + return __builtin_isunordered(__type(__f1), __type(__f2)); + } + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace std + +#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */ +#endif + +#endif |