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authorMatt Turner <[email protected]>2015-02-20 18:32:05 -0800
committerMatt Turner <[email protected]>2015-02-23 10:41:21 -0800
commit5a191f49ad084e728122fed83bd7511817e66831 (patch)
treef2cfe4709fa91e288c20a5cb86779d86c53adf51 /include/c99_compat.h
parent0b6d43e329d194b01ab5cd554617f79a13f6669a (diff)
mesa: Move C99 MSVC compatibility code from u_math.h to c99_compat.h.
Reviewed-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'include/c99_compat.h')
-rw-r--r--include/c99_compat.h143
1 files changed, 143 insertions, 0 deletions
diff --git a/include/c99_compat.h b/include/c99_compat.h
index e5d0ae43a50..5852015491b 100644
--- a/include/c99_compat.h
+++ b/include/c99_compat.h
@@ -138,4 +138,147 @@ test_c99_compat_h(const void * restrict a,
#endif
+#if defined(_MSC_VER)
+
+#if _MSC_VER < 1400 && !defined(__cplusplus)
+
+static INLINE float cosf( float f )
+{
+ return (float) cos( (double) f );
+}
+
+static INLINE float sinf( float f )
+{
+ return (float) sin( (double) f );
+}
+
+static INLINE float ceilf( float f )
+{
+ return (float) ceil( (double) f );
+}
+
+static INLINE float floorf( float f )
+{
+ return (float) floor( (double) f );
+}
+
+static INLINE float powf( float f, float g )
+{
+ return (float) pow( (double) f, (double) g );
+}
+
+static INLINE float sqrtf( float f )
+{
+ return (float) sqrt( (double) f );
+}
+
+static INLINE float fabsf( float f )
+{
+ return (float) fabs( (double) f );
+}
+
+static INLINE float logf( float f )
+{
+ return (float) log( (double) f );
+}
+
+#else
+/* Work-around an extra semi-colon in VS 2005 logf definition */
+#ifdef logf
+#undef logf
+#define logf(x) ((float)log((double)(x)))
+#endif /* logf */
+
+#if _MSC_VER < 1800
+#define isfinite(x) _finite((double)(x))
+#define isnan(x) _isnan((double)(x))
+#endif /* _MSC_VER < 1800 */
+#endif /* _MSC_VER < 1400 && !defined(__cplusplus) */
+
+#if _MSC_VER < 1800
+static INLINE double log2( double x )
+{
+ const double invln2 = 1.442695041;
+ 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
+
+#ifndef INFINITY
+#define INFINITY (DBL_MAX + DBL_MAX)
+#endif
+
+#ifndef NAN
+#define NAN (INFINITY - INFINITY)
+#endif
+
+#endif /* _MSC_VER */
+
+
+#if __STDC_VERSION__ < 199901L && (!defined(__cplusplus) || defined(_MSC_VER))
+static INLINE long int
+lrint(double d)
+{
+ long int rounded = (long int)(d + 0.5);
+
+ if (d - floor(d) == 0.5) {
+ if (rounded % 2 != 0)
+ rounded += (d > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static INLINE long int
+lrintf(float f)
+{
+ long int rounded = (long int)(f + 0.5f);
+
+ if (f - floorf(f) == 0.5f) {
+ if (rounded % 2 != 0)
+ rounded += (f > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static INLINE long long int
+llrint(double d)
+{
+ long long int rounded = (long long int)(d + 0.5);
+
+ if (d - floor(d) == 0.5) {
+ if (rounded % 2 != 0)
+ rounded += (d > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+
+static INLINE long long int
+llrintf(float f)
+{
+ long long int rounded = (long long int)(f + 0.5f);
+
+ if (f - floorf(f) == 0.5f) {
+ if (rounded % 2 != 0)
+ rounded += (f > 0) ? -1 : 1;
+ }
+
+ return rounded;
+}
+#endif /* C99 */
+
+
#endif /* _C99_COMPAT_H_ */