diff options
author | Matt Turner <[email protected]> | 2015-02-20 18:32:05 -0800 |
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committer | Matt Turner <[email protected]> | 2015-02-23 10:41:21 -0800 |
commit | 5a191f49ad084e728122fed83bd7511817e66831 (patch) | |
tree | f2cfe4709fa91e288c20a5cb86779d86c53adf51 /include/c99_compat.h | |
parent | 0b6d43e329d194b01ab5cd554617f79a13f6669a (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.h | 143 |
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_ */ |