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nir: Add rounding modes enum

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v2: Added comments describing each of the rounding modes. (Jason
    Ekstrand)

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jose Maria Casanova Crespo 2017-07-01 07:56:51 +02:00
parent 5165e222d1
commit d711445430
1 changed files with 10 additions and 0 deletions
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10
src/compiler/nir/nir.h
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@ -106,6 +106,16 @@ typedef enum {
nir_var_all = ~0,
} nir_variable_mode;
/**
* Rounding modes.
*/
typedef enum {
nir_rounding_mode_undef = 0,
nir_rounding_mode_rtne = 1, /* round to nearest even */
nir_rounding_mode_ru = 2, /* round up */
nir_rounding_mode_rd = 3, /* round down */
nir_rounding_mode_rtz = 4, /* round towards zero */
} nir_rounding_mode;
typedef union {
float f32[4];