Introduced a wrapper arround the fpclassify functions.

This is compiled without optimization and allows to use the functions from optimized code
Fixes Bug #1524561

1 files changed, 1 insertions, 16 deletions

diff --git a/src/util/math.h b/src/util/math.h
index 82afe19696..b224ec082c 100644
--- a/src/util/math.h
+++ b/src/util/math.h
@@ -8,6 +8,7 @@
 #include <algorithm>
 
 #include "util/assert.h"
+#include "util/fpclassify.h"
 
 // If we don't do this then we get the C90 fabs from the global namespace which
 // is only defined for double.
@@ -34,22 +35,6 @@ inline bool even(T value) {
     return value % 2 == 0;
 }
 
-#ifdef _MSC_VER
-// VC++ uses _isnan() instead of isnan() and !_finite instead of isinf.
-#include <float.h>
-#define isnan(x) _isnan(x)
-#define isinf(x) (!_finite(x))
-// Ask VC++ to emit an intrinsic for fabs instead of calling std::fabs.
-#pragma intrinsic(fabs)
-#else
-// for isnan() and isinf() everywhere else use the cmath version. We define
-// these as macros to prevent clashing with c++11 built-ins in the global
-// namespace. If you say "using std::isnan;" then this will fail to build with
-// std=c++11. See https://bugs.webkit.org/show_bug.cgi?id=59249 for some
-// relevant discussion.
-#define isnan std::isnan
-#define isinf std::isinf
-#endif
 
 inline int roundUpToPowerOf2(int v) {
     int power = 1;