diff options
| author | Brian Paul <[email protected]> | 2017-10-05 13:34:52 -0600 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2017-10-10 11:28:31 -0600 |
| commit | c43b0d3f9184752e848ef0ab617cca48c60246ec (patch) | |
| tree | 77fa6f0e6c9cdac4978946ada35291ba4e62a04a /src/util/half_float.h | |
| parent | 3c5664b78d39e2d13f156369f8114ebbe08d6fb7 (diff) | |
mesa: move _mesa_half_is_negative() to half_float.h
v2: use !! in the function to be explicit about type conversion. Though,
gcc generates the same code with or without the logical !!.
Reviewed-by: Roland Scheidegger <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/util/half_float.h')
| -rw-r--r-- | src/util/half_float.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/util/half_float.h b/src/util/half_float.h index 64f20421018..b3bc3f687ad 100644 --- a/src/util/half_float.h +++ b/src/util/half_float.h @@ -25,6 +25,7 @@ #ifndef _HALF_FLOAT_H_ #define _HALF_FLOAT_H_ +#include <stdbool.h> #include <stdint.h> #ifdef __cplusplus @@ -34,6 +35,13 @@ extern "C" { uint16_t _mesa_float_to_half(float val); float _mesa_half_to_float(uint16_t val); +static inline bool +_mesa_half_is_negative(uint16_t h) +{ + return !!(h & 0x8000); +} + + #ifdef __cplusplus } /* extern C */ #endif |