diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2012-09-19 04:23:51 +0400 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-09-22 17:59:12 +0000 |
| commit | 213ff4e6df0f74e93995a5d3d7429acb4ad3ee86 (patch) | |
| tree | 24f94b22f625d5789547a9917a1a84881f55c992 /fpu/softfloat.h | |
| parent | 66176802960ad1f7c3d061d17b784088c2e28d59 (diff) | |
softfloat: add NO_SIGNALING_NANS
Architectures that don't have signaling NaNs can define
NO_SIGNALING_NANS, it will make float*_is_quiet_nan return 1 for any NaN
and float*_is_signaling_nan always return 0.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'fpu/softfloat.h')
| -rw-r--r-- | fpu/softfloat.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fpu/softfloat.h b/fpu/softfloat.h index 2860ca0175..d8999b311a 100644 --- a/fpu/softfloat.h +++ b/fpu/softfloat.h @@ -251,6 +251,11 @@ int float16_is_quiet_nan( float16 ); int float16_is_signaling_nan( float16 ); float16 float16_maybe_silence_nan( float16 ); +INLINE int float16_is_any_nan(float16 a) +{ + return ((float16_val(a) & ~0x8000) > 0x7c00); +} + /*---------------------------------------------------------------------------- | The pattern for a default generated half-precision NaN. *----------------------------------------------------------------------------*/ |