Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(306)

Unified Diff: third_party/libcxx/include/support/win32/math_win32.h

Issue 75213003: Add libc++ and libc++abi to third-party. (Closed) Base URL: https://src.chromium.org/chrome/trunk/src/
Patch Set: Created 7 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
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

Powered by Google App Engine
This is Rietveld 408576698