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STLPORT/stlport/stl/_cmath.h Normal file
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/*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
#ifndef _STLP_CMATH_H_HEADER
# define _STLP_CMATH_H_HEADER
# include <cmath>
_STLP_BEGIN_NAMESPACE
# ifdef _STLP_SAME_FUNCTION_NAME_RESOLUTION_BUG
// this proxy is needed for some compilers to resolve problems
// calling sqrt() from within sqrt(), etc.
template <class _Tp>
struct _STL_math_proxy {
static inline _Tp _do_abs(const _Tp& __x) { return _STLP_VENDOR_CSTD::fabs(__x); }
static inline _Tp _do_acos(const _Tp& __x) { return _STLP_VENDOR_CSTD::acos(__x); }
static inline _Tp _do_asin(const _Tp& __x) { return _STLP_VENDOR_CSTD::asin(__x); }
static inline _Tp _do_atan(const _Tp& __x) { return _STLP_VENDOR_CSTD::atan(__x); }
static inline _Tp _do_atan2(const _Tp& __x, const _Tp& __y) { return _STLP_VENDOR_CSTD::atan2(__x, __y); }
static inline _Tp _do_cos(const _Tp& __x) { return _STLP_VENDOR_CSTD::cos(__x); }
static inline _Tp _do_cosh(const _Tp& __x) { return _STLP_VENDOR_CSTD::cosh(__x); }
static inline _Tp _do_floor(const _Tp& __x) { return _STLP_VENDOR_CSTD::floor(__x); }
static inline _Tp _do_ceil(const _Tp& __x) { return _STLP_VENDOR_CSTD::ceil(__x); }
static inline _Tp _do_fmod(const _Tp& __x, const _Tp& __y) { return _STLP_VENDOR_CSTD::fmod(__x, __y); }
static inline _Tp _do_frexp(const _Tp& __x, int* __y) { return _STLP_VENDOR_CSTD::frexp(__x, __y); }
static inline _Tp _do_ldexp(const _Tp& __x, int __y) { return _STLP_VENDOR_CSTD::ldexp(__x, __y); }
static inline _Tp _do_modf(const _Tp& __x, double* __y) { return _STLP_VENDOR_CSTD::modf(__x, __y); }
static inline _Tp _do_log(const _Tp& __x) { return _STLP_VENDOR_CSTD::log(__x); }
static inline _Tp _do_log10(const _Tp& __x) { return _STLP_VENDOR_CSTD::log10(__x); }
static inline _Tp _do_pow(const _Tp& __x, const _Tp& __y) { return _STLP_VENDOR_CSTD::pow(__x, __y); }
static inline _Tp _do_pow(const _Tp& __x, int __y) { return _STLP_VENDOR_CSTD::pow(__x, __y); }
static inline _Tp _do_sin(const _Tp& __x) { return _STLP_VENDOR_CSTD::sin(__x); }
static inline _Tp _do_sinh(const _Tp& __x) { return _STLP_VENDOR_CSTD::sinh(__x); }
static inline _Tp _do_sqrt(const _Tp& __x) { return _STLP_VENDOR_CSTD::sqrt(__x); }
static inline _Tp _do_tan(const _Tp& __x) { return _STLP_VENDOR_CSTD::tan(__x); }
static inline _Tp _do_tanh(const _Tp& __x) { return _STLP_VENDOR_CSTD::tanh(__x); }
static inline _Tp _do_exp(const _Tp& __x) { return _STLP_VENDOR_CSTD::exp(__x); }
static inline _Tp _do_hypot(const _Tp& __x, const _Tp& __y) { return _STLP_VENDOR_CSTD::hypot(__x, __y); }
};
# define _STLP_DO_ABS(_Tp) _STL_math_proxy<_Tp>::_do_abs
# define _STLP_DO_ACOS(_Tp) _STL_math_proxy<_Tp>::_do_acos
# define _STLP_DO_ASIN(_Tp) _STL_math_proxy<_Tp>::_do_asin
# define _STLP_DO_ATAN(_Tp) _STL_math_proxy<_Tp>::_do_atan
# define _STLP_DO_ATAN2(_Tp) _STL_math_proxy<_Tp>::_do_atan2
# define _STLP_DO_COS(_Tp) _STL_math_proxy<_Tp>::_do_cos
# define _STLP_DO_COSH(_Tp) _STL_math_proxy<_Tp>::_do_cosh
# define _STLP_DO_FLOOR(_Tp) _STL_math_proxy<_Tp>::_do_floor
# define _STLP_DO_CEIL(_Tp) _STL_math_proxy<_Tp>::_do_ceil
# define _STLP_DO_FMOD(_Tp) _STL_math_proxy<_Tp>::_do_fmod
# define _STLP_DO_FREXP(_Tp) _STL_math_proxy<_Tp>::_do_frexp
# define _STLP_DO_LDEXP(_Tp) _STL_math_proxy<_Tp>::_do_ldexp
# define _STLP_DO_MODF(_Tp) _STL_math_proxy<_Tp>::_do_modf
# define _STLP_DO_LOG(_Tp) _STL_math_proxy<_Tp>::_do_log
# define _STLP_DO_LOG10(_Tp) _STL_math_proxy<_Tp>::_do_log10
# define _STLP_DO_POW(_Tp) _STL_math_proxy<_Tp>::_do_pow
# define _STLP_DO_SIN(_Tp) _STL_math_proxy<_Tp>::_do_sin
# define _STLP_DO_SINH(_Tp) _STL_math_proxy<_Tp>::_do_sinh
# define _STLP_DO_SQRT(_Tp) _STL_math_proxy<_Tp>::_do_sqrt
# define _STLP_DO_TAN(_Tp) _STL_math_proxy<_Tp>::_do_tan
# define _STLP_DO_TANH(_Tp) _STL_math_proxy<_Tp>::_do_tanh
# define _STLP_DO_EXP(_Tp) _STL_math_proxy<_Tp>::_do_exp
# define _STLP_DO_HYPOT(_Tp) _STL_math_proxy<_Tp>::_do_hypot
# else
# define _STLP_DO_ABS(_Tp) _STLP_VENDOR_CSTD::fabs
# define _STLP_DO_ACOS(_Tp) _STLP_VENDOR_CSTD::acos
# define _STLP_DO_ASIN(_Tp) _STLP_VENDOR_CSTD::asin
# define _STLP_DO_ATAN(_Tp) _STLP_VENDOR_CSTD::atan
# define _STLP_DO_ATAN2(_Tp) _STLP_VENDOR_CSTD::atan2
# define _STLP_DO_COS(_Tp) _STLP_VENDOR_CSTD::cos
# define _STLP_DO_COSH(_Tp) _STLP_VENDOR_CSTD::cosh
# define _STLP_DO_FLOOR(_Tp) _STLP_VENDOR_CSTD::floor
# define _STLP_DO_CEIL(_Tp) _STLP_VENDOR_CSTD::ceil
# define _STLP_DO_FMOD(_Tp) _STLP_VENDOR_CSTD::fmod
# define _STLP_DO_FREXP(_Tp) _STLP_VENDOR_CSTD::frexp
# define _STLP_DO_LDEXP(_Tp) _STLP_VENDOR_CSTD::ldexp
# define _STLP_DO_MODF(_Tp) _STLP_VENDOR_CSTD::modf
# define _STLP_DO_LOG(_Tp) _STLP_VENDOR_CSTD::log
# define _STLP_DO_LOG10(_Tp) _STLP_VENDOR_CSTD::log10
# define _STLP_DO_POW(_Tp) _STLP_VENDOR_CSTD::pow
# define _STLP_DO_SIN(_Tp) _STLP_VENDOR_CSTD::sin
# define _STLP_DO_SINH(_Tp) _STLP_VENDOR_CSTD::sinh
# define _STLP_DO_SQRT(_Tp) _STLP_VENDOR_CSTD::sqrt
# define _STLP_DO_TAN(_Tp) _STLP_VENDOR_CSTD::tan
# define _STLP_DO_TANH(_Tp) _STLP_VENDOR_CSTD::tanh
# define _STLP_DO_EXP(_Tp) _STLP_VENDOR_CSTD::exp
//# if defined (__GNUC__) || defined ( __IBMCPP__ ) || defined (__SUNPRO_CC) || defined (__HP_aCC) || (_MSC_VER >= 1310)
# define _STLP_DO_HYPOT(_Tp) ::hypot
// # else
// # define _STLP_DO_HYPOT(_Tp) _STLP_VENDOR_CSTD::hypot
// # endif
# endif
_STLP_END_NAMESPACE
# if (defined (_STLP_HAS_NO_NEW_C_HEADERS) || defined(_STLP_MSVC) || defined (__ICL)) && !defined (_STLP_HAS_NO_NAMESPACES)
#if ! defined (_STLP_USE_NEW_C_HEADERS)
_STLP_BEGIN_NAMESPACE
# ifndef _STLP_HAS_NATIVE_FLOAT_ABS
inline double abs(double __x) { return _STLP_DO_ABS(double)(__x); }
inline float abs (float __x) { return _STLP_DO_ABS(float)(__x); }
# endif
inline double pow(double __x, int __y) { return _STLP_DO_POW(double)(__x, __y); }
inline float acos (float __x) { return _STLP_DO_ACOS(float)(__x); }
inline float asin (float __x) { return _STLP_DO_ASIN(float)(__x); }
inline float atan (float __x) { return _STLP_DO_ATAN(float)(__x); }
inline float atan2(float __x, float __y) { return _STLP_DO_ATAN2(float)(__x, __y); }
inline float ceil (float __x) { return _STLP_DO_CEIL(float)(__x); }
inline float cos (float __x) { return _STLP_DO_COS(float)(__x); }
inline float cosh (float __x) { return _STLP_DO_COSH(float)(__x); }
inline float exp (float __x) { return _STLP_DO_EXP(float)(__x); }
# ifdef _STLP_USE_NAMESPACES
inline float fabs (float __x) { return _STLP_DO_ABS(float)(__x); }
# endif
inline float floor(float __x) { return _STLP_DO_FLOOR(float)(__x); }
inline float fmod (float __x, float __y) { return _STLP_DO_FMOD(float)(__x, __y); }
inline float frexp(float __x, int* __y) { return _STLP_DO_FREXP(float)(__x, __y); }
inline float ldexp(float __x, int __y) { return _STLP_DO_LDEXP(float)(__x, __y); }
// fbp : float versions are not always available
#if !defined(_STLP_VENDOR_LONG_DOUBLE_MATH) //*ty 11/25/2001 -
inline float modf (float __x, float* __y) {
double __dd[2];
double __res = _STLP_DO_MODF(double)((double)__x, __dd);
__y[0] = (float)__dd[0] ; __y[1] = (float)__dd[1];
return (float)__res;
}
#else //*ty 11/25/2001 - i.e. for apple SCpp
inline float modf (float __x, float* __y) {
long double __dd[2];
long double __res = _STLP_DO_MODF(long double)((long double)__x, __dd);
__y[0] = (float)__dd[0] ; __y[1] = (float)__dd[1];
return (float)__res;
}
#endif //*ty 11/25/2001 -
inline float log (float __x) { return _STLP_DO_LOG(float)(__x); }
inline float log10(float __x) { return _STLP_DO_LOG10(float)(__x); }
inline float pow (float __x, float __y) { return _STLP_DO_POW(float)(__x, __y); }
inline float pow (float __x, int __y) { return _STLP_DO_POW(float)(__x, __y); }
inline float sin (float __x) { return _STLP_DO_SIN(float)(__x); }
inline float sinh (float __x) { return _STLP_DO_SINH(float)(__x); }
inline float sqrt (float __x) { return _STLP_DO_SQRT(float)(__x); }
inline float tan (float __x) { return _STLP_DO_TAN(float)(__x); }
inline float tanh (float __x) { return _STLP_DO_TANH(float)(__x); }
# if ! (defined (_STLP_NO_LONG_DOUBLE) || defined(_STLP_VENDOR_LONG_DOUBLE_MATH))
#if !defined (__MVS__)
inline long double abs (long double __x) { return _STLP_DO_ABS(long double)((double)__x); }
#endif
inline long double acos (long double __x) { return _STLP_DO_ACOS(long double)(__x); }
inline long double asin (long double __x) { return _STLP_DO_ASIN(long double)(__x); }
inline long double atan (long double __x) { return _STLP_DO_ATAN(long double)(__x); }
inline long double atan2(long double __x, long double __y) { return _STLP_DO_ATAN2(long double)(__x, __y); }
inline long double ceil (long double __x) { return _STLP_DO_CEIL(long double)(__x); }
inline long double cos (long double __x) { return _STLP_DO_COS(long double)(__x); }
inline long double cosh (long double __x) { return _STLP_DO_COSH(long double)(__x); }
inline long double exp (long double __x) { return _STLP_DO_EXP(long double)(__x); }
inline long double fabs (long double __x) { return _STLP_DO_ABS(long double)(__x); }
inline long double floor(long double __x) { return _STLP_DO_FLOOR(long double)(__x); }
inline long double fmod (long double __x, long double __y) { return _STLP_DO_FMOD(long double)(__x, __y); }
inline long double frexp(long double __x, int* __y) { return _STLP_DO_FREXP(long double)(__x, __y); }
inline long double ldexp(long double __x, int __y) { return _STLP_DO_LDEXP(long double)(__x, __y); }
// fbp : long double versions are not available
inline long double modf (long double __x, long double* __y) {
double __dd[2];
double __res = _STLP_DO_MODF(double)((double)__x, __dd);
__y[0] = (long double)__dd[0] ; __y[1] = (long double)__dd[1];
return (long double)__res;
}
inline long double log (long double __x) { return _STLP_DO_LOG(long double)(__x); }
inline long double log10(long double __x) { return _STLP_DO_LOG10(long double)(__x); }
inline long double pow (long double __x, long double __y) { return _STLP_DO_POW(long double)(__x, __y); }
inline long double pow (long double __x, int __y) { return _STLP_DO_POW(long double)(__x, __y); }
inline long double sin (long double __x) { return _STLP_DO_SIN(long double)(__x); }
inline long double sinh (long double __x) { return _STLP_DO_SINH(long double)(__x); }
inline long double sqrt (long double __x) { return _STLP_DO_SQRT(long double)(__x); }
inline long double tan (long double __x) { return _STLP_DO_TAN(long double)(__x); }
inline long double tanh (long double __x) { return _STLP_DO_TANH(long double)(__x); }
# endif
_STLP_END_NAMESPACE
# endif /* NEW_C_HEADERS */
# endif /* NEW_C_HEADERS */
#endif /* CMATH_H */