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 |