| Index: third_party/libcxx/include/support/win32/math_win32.h
|
| ===================================================================
|
| --- third_party/libcxx/include/support/win32/math_win32.h (revision 0)
|
| +++ third_party/libcxx/include/support/win32/math_win32.h (revision 0)
|
| @@ -0,0 +1,115 @@
|
| +// -*- 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.
|
| +
|
| +// 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 // _LIBCPP_MSVCRT
|
| +
|
| +#endif // _LIBCPP_SUPPORT_WIN32_MATH_WIN32_H
|
|
|
| Property changes on: third_party/libcxx/include/support/win32/math_win32.h
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|