diff options
| author |  Mike Reed <reed@google.com> | 2017-10-10 14:49:35 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-10-10 19:58:13 +0000 |
| commit | e07622386b10c158cb0cc653ace264e24c5702af (patch) | |
| tree | 07210d6ddd3ad14e7a66197261ad911d7f3cea80 /include/private/SkFloatingPoint.h | |
| parent | 57a0edf7ba03082e649f0c2ddc43930dfa849e7f (diff) | |
clone saturating cast code for doubles
Bug: skia:
Change-Id: I4f35413995cf73c6f130476d6b36e530120aa7ed
Reviewed-on: https://skia-review.googlesource.com/57901
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Diffstat (limited to 'include/private/SkFloatingPoint.h')
| -rw-r--r-- | include/private/SkFloatingPoint.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/private/SkFloatingPoint.h b/include/private/SkFloatingPoint.h index 01afcd8942..05191e651d 100644 --- a/include/private/SkFloatingPoint.h +++ b/include/private/SkFloatingPoint.h @@ -90,6 +90,15 @@ static inline int sk_float_saturate2int(float x) { return (int)x; } +/** + * Return the closest int for the given double. Returns SK_MaxS32 for NaN. + */ +static inline int sk_double_saturate2int(double x) { + x = SkTMin<double>(x, SK_MaxS32); + x = SkTMax<double>(x, SK_MinS32); + return (int)x; +} + #define sk_float_floor2int(x) sk_float_saturate2int(sk_float_floor(x)) #define sk_float_round2int(x) sk_float_saturate2int(sk_float_floor((x) + 0.5f)) #define sk_float_ceil2int(x) sk_float_saturate2int(sk_float_ceil(x)) |