xtgmath.h

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/* xtgmath.h internal header */
#pragma once
#ifndef _XTGMATH
#define _XTGMATH
#ifndef RC_INVOKED

 #if defined(__cplusplus)
#include <xtr1common>

 #pragma pack(push,_CRT_PACKING)
 #pragma warning(push,3)
 #pragma push_macro("new")
 #undef new

_STD_BEGIN
template<class _Ty>
    struct _Promote_to_float
    {   // promote integral to double
    typedef typename conditional<is_integral<_Ty>::value,
        double, _Ty>::type type;
    };

template<class _Ty1,
    class _Ty2>
    struct _Common_float_type
    {   // find type for two-argument math function
    typedef typename _Promote_to_float<_Ty1>::type _Ty1f;
    typedef typename _Promote_to_float<_Ty2>::type _Ty2f;
    typedef typename conditional<is_same<_Ty1f, long double>::value
        || is_same<_Ty2f, long double>::value, long double,
        typename conditional<is_same<_Ty1f, double>::value
            || is_same<_Ty2f, double>::value, double,
            float>::type>::type type;
    };
_STD_END

#define _CRTDEFAULT
#define _CRTSPECIAL _CRTIMP

#define _GENERIC_MATH1(FUN, CRTTYPE) \
extern "C" CRTTYPE double __cdecl FUN(_In_ double); \
template<class _Ty> inline \
    typename _STD enable_if< _STD is_integral<_Ty>::value, double>::type \
    FUN(_Ty _Left) \
    { \
    return (_CSTD FUN((double)_Left)); \
    }

#define _GENERIC_MATH1X(FUN, ARG2, CRTTYPE) \
extern "C" CRTTYPE double __cdecl FUN(_In_ double, ARG2); \
template<class _Ty> inline \
    typename _STD enable_if< _STD is_integral<_Ty>::value, double>::type \
    FUN(_Ty _Left, ARG2 _Arg2) \
    { \
    return (_CSTD FUN((double)_Left, _Arg2)); \
    }

#define _GENERIC_MATH2_CALL(FUN, CRTTYPE, CALL_OPT) \
extern "C" CRTTYPE double CALL_OPT FUN(_In_ double, _In_ double); \
template<class _Ty1, \
    class _Ty2> inline \
    typename _STD enable_if< _STD _Is_numeric<_Ty1>::value \
        && _STD _Is_numeric<_Ty2>::value, \
            typename _STD _Common_float_type<_Ty1, _Ty2>::type>::type \
    FUN(_Ty1 _Left, _Ty2 _Right) \
    { \
    typedef typename _STD _Common_float_type<_Ty1, _Ty2>::type type; \
    return (_CSTD FUN((type)_Left, (type)_Right)); \
    }

#define _GENERIC_MATH2(FUN, CRTTYPE) \
    _GENERIC_MATH2_CALL(FUN, CRTTYPE, __cdecl)

_C_STD_BEGIN
extern "C" double __cdecl pow(_In_ double, _In_ double);
float __CRTDECL  pow(_In_ float, _In_ float) _NOEXCEPT;
long double __CRTDECL  pow(_In_ long double, _In_ long double) _NOEXCEPT;

template<class _Ty1,
    class _Ty2> inline
    typename _STD enable_if< _STD _Is_numeric<_Ty1>::value
        && _STD _Is_numeric<_Ty2>::value,
        typename _STD _Common_float_type<_Ty1, _Ty2>::type>::type
    pow(const _Ty1 _Left, const _Ty2 _Right)
    {   // bring mixed types to a common type
    typedef typename _STD _Common_float_type<_Ty1, _Ty2>::type type;
    return (_CSTD pow(type(_Left), type(_Right)));
    }

//_GENERIC_MATH1(abs, _CRTDEFAULT)  // has integer overloads
_GENERIC_MATH1(acos, _CRTDEFAULT)
_GENERIC_MATH1(asin, _CRTDEFAULT)
_GENERIC_MATH1(atan, _CRTDEFAULT)
_GENERIC_MATH2(atan2, _CRTDEFAULT)
_GENERIC_MATH1(ceil, _CRTSPECIAL)
_GENERIC_MATH1(cos, _CRTDEFAULT)
_GENERIC_MATH1(cosh, _CRTDEFAULT)
_GENERIC_MATH1(exp, _CRTDEFAULT)
//_GENERIC_MATH1(fabs, _CRT_JIT_INTRINSIC)  // not required
_GENERIC_MATH1(floor, _CRTSPECIAL)
_GENERIC_MATH2(fmod, _CRTDEFAULT)
_GENERIC_MATH1X(frexp, _Out_ int *, _CRTSPECIAL)
_GENERIC_MATH1X(ldexp, _In_ int, _CRTSPECIAL)
_GENERIC_MATH1(log, _CRTDEFAULT)
_GENERIC_MATH1(log10, _CRTDEFAULT)
//_GENERIC_MATH1(modf, _CRTDEFAULT)     // types must match
//_GENERIC_MATH2(pow, _CRTDEFAULT)  // hand crafted
_GENERIC_MATH1(sin, _CRTDEFAULT)
_GENERIC_MATH1(sinh, _CRTDEFAULT)
_GENERIC_MATH1(sqrt, _CRTDEFAULT)
_GENERIC_MATH1(tan, _CRTDEFAULT)
_GENERIC_MATH1(tanh, _CRTDEFAULT)
        // C99 MATH FUNCTIONS
#define _GENERIC_MATH1R(FUN, RET, CRTTYPE) \
extern "C" CRTTYPE RET __cdecl FUN(_In_ double); \
template<class _Ty> inline \
    typename _STD enable_if< _STD is_integral<_Ty>::value, RET>::type \
    FUN(_Ty _Left) \
    { \
    return (_CSTD FUN((double)_Left)); \
    }

        // TEMPLATE FUNCTION fma
inline float _Fma(float _Left, float _Middle, float _Right)
    {
    return (_CSTD fmaf(_Left, _Middle, _Right));
    }

inline double _Fma(double _Left, double _Middle, double _Right)
    {
    return (_CSTD fma(_Left, _Middle, _Right));
    }

inline long double _Fma(long double _Left, long double _Middle, long double _Right)
    {
    return (_CSTD fmal(_Left, _Middle, _Right));
    }

template<class _Ty1,
    class _Ty2,
    class _Ty3> inline
    typename _STD _Common_float_type<_Ty1,
        typename _STD _Common_float_type<_Ty2, _Ty3>::type>::type
    fma(_Ty1 _Left, _Ty2 _Middle, _Ty3 _Right)
    {   // bring mixed types to a common type
    typedef typename _STD _Common_float_type<_Ty1,
        typename _STD _Common_float_type<_Ty2, _Ty3>::type>::type type;
    return (_Fma((type)_Left, (type)_Middle, (type)_Right));
    }

        // TEMPLATE FUNCTION remquo
inline float _Remquo(float _Left, float _Right, int *_Pquo)
    {
    return (_CSTD remquof(_Left, _Right, _Pquo));
    }

inline double _Remquo(double _Left, double _Right, int *_Pquo)
    {
    return (_CSTD remquo(_Left, _Right, _Pquo));
    }

inline long double _Remquo(long double _Left, long double _Right, int *_Pquo)
    {
    return (_CSTD remquol(_Left, _Right, _Pquo));
    }

template<class _Ty1,
    class _Ty2> inline
    typename _STD _Common_float_type<_Ty1, _Ty2>::type
    remquo(_Ty1 _Left, _Ty2 _Right, int *_Pquo)
    {   // bring mixed types to a common type
    typedef typename _STD _Common_float_type<_Ty1, _Ty2>::type type;
    return (_Remquo((type)_Left, (type)_Right, _Pquo));
    }

_GENERIC_MATH1(acosh, _CRTSPECIAL)
_GENERIC_MATH1(asinh, _CRTSPECIAL)
_GENERIC_MATH1(atanh, _CRTSPECIAL)
_GENERIC_MATH1(cbrt, _CRTSPECIAL)
_GENERIC_MATH2(copysign, _CRTSPECIAL)
_GENERIC_MATH1(erf, _CRTSPECIAL)
_GENERIC_MATH1(erfc, _CRTSPECIAL)
_GENERIC_MATH1(expm1, _CRTSPECIAL)
_GENERIC_MATH1(exp2, _CRTSPECIAL)
//_GENERIC_MATH1(fabs, _CRT_JIT_INTRINSIC)  // not required
_GENERIC_MATH2(fdim, _CRTSPECIAL)
//_GENERIC_MATH3(fma, _CRTSPECIAL)  // hand crafted
_GENERIC_MATH2(fmax, _CRTSPECIAL)
_GENERIC_MATH2(fmin, _CRTSPECIAL)
_GENERIC_MATH2_CALL(hypot, _CRTDEFAULT, __CRTDECL)
_GENERIC_MATH1R(ilogb, int, _CRTSPECIAL)
_GENERIC_MATH1(lgamma, _CRTSPECIAL)
_GENERIC_MATH1R(llrint, long long, _CRTSPECIAL)
_GENERIC_MATH1R(llround, long long, _CRTSPECIAL)
_GENERIC_MATH1(log1p, _CRTSPECIAL)
_GENERIC_MATH1(log2, _CRTSPECIAL)
_GENERIC_MATH1(logb, _CRTSPECIAL)
_GENERIC_MATH1R(lrint, long, _CRTSPECIAL)
_GENERIC_MATH1R(lround, long, _CRTSPECIAL)
_GENERIC_MATH1(nearbyint, _CRTSPECIAL)
_GENERIC_MATH2(nextafter, _CRTSPECIAL)
_GENERIC_MATH1X(nexttoward, _In_ long double, _CRTSPECIAL)
_GENERIC_MATH2(remainder, _CRTSPECIAL)
//_GENERIC_MATH2X(remquo, _CRTSPECIAL)  // hand crafted
_GENERIC_MATH1(rint, _CRTSPECIAL)
_GENERIC_MATH1(round, _CRTSPECIAL)
_GENERIC_MATH1X(scalbln, _In_ long, _CRTSPECIAL)
_GENERIC_MATH1X(scalbn, _In_ int, _CRTSPECIAL)
_GENERIC_MATH1(tgamma, _CRTSPECIAL)
_GENERIC_MATH1(trunc, _CRTSPECIAL)
_C_STD_END
 #endif /* defined(__cplusplus) */

 #pragma pop_macro("new")
 #pragma warning(pop)
 #pragma pack(pop)
#endif /* RC_INVOKED */
#endif /* _XTGMATH */

/*
 * Copyright (c) 1992-2013 by P.J. Plauger.  ALL RIGHTS RESERVED.
 * Consult your license regarding permissions and restrictions.
V6.40:0009 */