+++ /dev/null
-// -*- C++ -*-
-//===---------------------- support/win32/math_win32.h --------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP_SUPPORT_WIN32_MATH_WIN32_H
-#define _LIBCPP_SUPPORT_WIN32_MATH_WIN32_H
-
-#if !defined(_LIBCPP_MSVCRT)
-#error "This header complements Microsoft's C Runtime library, and should not be included otherwise."
-#else
-
-#include <math.h>
-#include <float.h> // _FPCLASS_PN etc.
-#include <crtversion.h>
-
-#if ((_VC_CRT_MAJOR_VERSION-0) < 12)
-// Necessary?
-typedef float float_t;
-typedef double double_t;
-
-_LIBCPP_ALWAYS_INLINE bool isfinite( double num )
-{
- return _finite(num) != 0;
-}
-_LIBCPP_ALWAYS_INLINE bool isinf( double num )
-{
- return !isfinite(num) && !_isnan(num);
-}
-_LIBCPP_ALWAYS_INLINE bool isnan( double num )
-{
- return _isnan(num) != 0;
-}
-_LIBCPP_ALWAYS_INLINE bool isnormal( double num )
-{
- int class_ = _fpclass(num);
- return class_ == _FPCLASS_NN || class_ == _FPCLASS_PN;
-}
-
-_LIBCPP_ALWAYS_INLINE bool isgreater( double x, double y )
-{
- if(_fpclass(x) == _FPCLASS_SNAN || _fpclass(y) == _FPCLASS_SNAN) return false;
- else return x > y;
-}
-
-_LIBCPP_ALWAYS_INLINE bool isgreaterequal( double x, double y )
-{
- if(_fpclass(x) == _FPCLASS_SNAN || _fpclass(y) == _FPCLASS_SNAN) return false;
- else return x >= y;
-}
-
-_LIBCPP_ALWAYS_INLINE bool isless( double x, double y )
-{
- if(_fpclass(x) == _FPCLASS_SNAN || _fpclass(y) == _FPCLASS_SNAN) return false;
- else return x < y;
-}
-
-_LIBCPP_ALWAYS_INLINE bool islessequal( double x, double y )
-{
- if(::_fpclass(x) == _FPCLASS_SNAN || ::_fpclass(y) == _FPCLASS_SNAN) return false;
- else return x <= y;
-}
-
-_LIBCPP_ALWAYS_INLINE bool islessgreater( double x, double y )
-{
- if(::_fpclass(x) == _FPCLASS_SNAN || ::_fpclass(y) == _FPCLASS_SNAN) return false;
- else return x < y || x > y;
-}
-
-_LIBCPP_ALWAYS_INLINE bool isunordered( double x, double y )
-{
- return isnan(x) || isnan(y);
-}
-_LIBCPP_ALWAYS_INLINE bool signbit( double num )
-{
- switch(_fpclass(num))
- {
- case _FPCLASS_SNAN:
- case _FPCLASS_QNAN:
- case _FPCLASS_NINF:
- case _FPCLASS_NN:
- case _FPCLASS_ND:
- case _FPCLASS_NZ:
- return true;
- case _FPCLASS_PZ:
- case _FPCLASS_PD:
- case _FPCLASS_PN:
- case _FPCLASS_PINF:
- return false;
- }
- return false;
-}
-_LIBCPP_ALWAYS_INLINE float copysignf( float x, float y )
-{
- return (signbit (x) != signbit (y) ? - x : x);
-}
-_LIBCPP_ALWAYS_INLINE double copysign( double x, double y )
-{
- return ::_copysign(x,y);
-}
-_LIBCPP_ALWAYS_INLINE double copysignl( long double x, long double y )
-{
- return ::_copysignl(x,y);
-}
-_LIBCPP_ALWAYS_INLINE int fpclassify( double num )
-{
- return _fpclass(num);
-}
-#endif
-#endif // _LIBCPP_MSVCRT
-
-#endif // _LIBCPP_SUPPORT_WIN32_MATH_WIN32_H