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authorGravatar Mike Reed <reed@google.com>2017-08-04 15:12:14 -0400
committerGravatar Skia Commit-Bot <skia-commit-bot@chromium.org>2017-08-04 21:25:07 +0000
commit8addae8b539a2db6ed34d34bf12609fbc0b2d198 (patch)
tree957dde0e9fb3e289e55ad6f3a1b01387dd0540a4 /include/private
parentb86aaeb7b0841c2c23f7b36b0bb0520ce2fb3256 (diff)
just use math.h for converting from float to int
Bug: skia: Change-Id: I40cce503cd4cef09c671511a705192efc5d67d71 Reviewed-on: https://skia-review.googlesource.com/31002 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
Diffstat (limited to 'include/private')
-rw-r--r--include/private/SkFloatBits.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/private/SkFloatBits.h b/include/private/SkFloatBits.h
index 4909926f13..7a4c708218 100644
--- a/include/private/SkFloatBits.h
+++ b/include/private/SkFloatBits.h
@@ -11,6 +11,7 @@
#include "SkTypes.h"
#include "SkSafe_math.h"
+#include <float.h>
/** Convert a sign-bit int (i.e. float interpreted as int) into a 2s compliement
int. This also converts -0 (0x80000000) to 0. Doing this to a float allows
@@ -79,21 +80,33 @@ static inline int32_t pin_double_to_int(double x) {
If the value is out of range, or NaN, return +/- SK_MaxS32
*/
static inline int32_t SkFloatToIntFloor(float x) {
+#ifdef SK_SUPPORT_LEGACY_FLOATBITS
return pin_double_to_int(floor(x));
+#else
+ return (int)floorf(x);
+#endif
}
/** Return the float rounded to an int.
If the value is out of range, or NaN, return +/- SK_MaxS32
*/
static inline int32_t SkFloatToIntRound(float x) {
+#ifdef SK_SUPPORT_LEGACY_FLOATBITS
return pin_double_to_int(floor((double)x + 0.5));
+#else
+ return (int)floorf(x + 0.5f);
+#endif
}
/** Return the ceiling of the float as an int.
If the value is out of range, or NaN, return +/- SK_MaxS32
*/
static inline int32_t SkFloatToIntCeil(float x) {
+#ifdef SK_SUPPORT_LEGACY_FLOATBITS
return pin_double_to_int(ceil(x));
+#else
+ return (int)ceilf(x);
+#endif
}
// Scalar wrappers for float-bit routines