diff options
| -rw-r--r-- | newlib/libm/common/math_config.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/newlib/libm/common/math_config.h b/newlib/libm/common/math_config.h index b46e44e51..d5896bbdd 100644 --- a/newlib/libm/common/math_config.h +++ b/newlib/libm/common/math_config.h @@ -71,15 +71,23 @@ #endif #if HAVE_FAST_ROUND +/* When set, the roundtoint and converttoint functions are provided with + the semantics documented below. */ # define TOINT_INTRINSICS 1 +/* Round x to nearest int in all rounding modes, ties have to be rounded + consistently with converttoint so the results match. If the result + would be outside of [-2^31, 2^31-1] then the semantics is unspecified. */ static inline double_t roundtoint (double_t x) { return round (x); } -static inline uint64_t +/* Convert x to nearest int in all rounding modes, ties have to be rounded + consistently with roundtoint. If the result is not representible in an + int32_t then the semantics is unspecified. */ +static inline int32_t converttoint (double_t x) { # if HAVE_FAST_LROUND |