util: Define round and roundf on MSVC.

2011-02-11 11:11:33 +00:00
parent f0ca9f7134
commit 151faa2258
1 changed files with 13 additions and 1 deletions
@@ -176,7 +176,7 @@ static INLINE float logf( float f )

 #define isfinite(x) _finite((double)(x))
 #define isnan(x) _isnan((double)(x))
-#endif
+#endif /* _MSC_VER < 1400 && !defined(__cplusplus) */

 static INLINE double log2( double x )
 {
@@ -184,6 +184,18 @@ static INLINE double log2( double x )
   return log( x ) * invln2;
 }

+static INLINE double
+round(double x)
+{
+   return x >= 0.0 ? floor(x + 0.5) : ceil(x - 0.5);
+}
+
+static INLINE float
+roundf(float x)
+{
+   return x >= 0.0f ? floorf(x + 0.5f) : ceilf(x - 0.5f);
+}
+
 #endif /* _MSC_VER */