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| author | Yuchen Deng <loaden@gmail.com> | 2013-11-12 21:51:34 +0800 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-11-16 17:43:23 +0100 |
| commit | b12852d4eaadd227f9ced218f64175bd4eb6b9c0 (patch) | |
| tree | 31e2b046e81cf6ff118f633169aedb8507241271 /Source | |
| parent | c317e5d8d991537889d674f8ee8c0736ca4f268b (diff) | |
| download | qtwebkit-b12852d4eaadd227f9ced218f64175bd4eb6b9c0.tar.gz | |
Fix MSVC2013 compilation
Starting with MSVC 2013, more functions are provided.
Task-number: QTBUG-34705
Change-Id: I90bf939ad4503a00d31e81c148c6b4ef8af6caff
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>
Diffstat (limited to 'Source')
| -rw-r--r-- | Source/WTF/wtf/MathExtras.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Source/WTF/wtf/MathExtras.h b/Source/WTF/wtf/MathExtras.h index f07bce6a3..4ff78df9f 100644 --- a/Source/WTF/wtf/MathExtras.h +++ b/Source/WTF/wtf/MathExtras.h @@ -123,6 +123,7 @@ inline bool signbit(double x) { struct ieee_double *p = (struct ieee_double *)&x #if COMPILER(MSVC) +#if _MSC_VER < 1800 // We must not do 'num + 0.5' or 'num - 0.5' because they can cause precision loss. static double round(double num) { @@ -138,6 +139,7 @@ static float roundf(float num) return integer - num > 0.5f ? integer - 1.0f : integer; return integer - num >= 0.5f ? integer - 1.0f : integer; } +#endif inline long long llround(double num) { return static_cast<long long>(round(num)); } inline long long llroundf(float num) { return static_cast<long long>(roundf(num)); } inline long lround(double num) { return static_cast<long>(round(num)); } @@ -177,7 +179,9 @@ namespace std { inline bool isinf(double num) { return !_finite(num) && !_isnan(num); } inline bool isnan(double num) { return !!_isnan(num); } inline bool isfinite(double x) { return _finite(x); } +#if _MSC_VER < 1800 inline bool signbit(double num) { return _copysign(1.0, num) < 0; } +#endif } // namespace std |