diff options
Diffstat (limited to 'core/math/math_funcs.h')
-rw-r--r-- | core/math/math_funcs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h index 366ccca4cb..3060f31970 100644 --- a/core/math/math_funcs.h +++ b/core/math/math_funcs.h @@ -198,6 +198,22 @@ public: #endif } + // These methods assume (p_num + p_den) doesn't overflow. + static _ALWAYS_INLINE_ int32_t division_round_up(int32_t p_num, int32_t p_den) { + int32_t offset = (p_num < 0 && p_den < 0) ? 1 : -1; + return (p_num + p_den + offset) / p_den; + } + static _ALWAYS_INLINE_ uint32_t division_round_up(uint32_t p_num, uint32_t p_den) { + return (p_num + p_den - 1) / p_den; + } + static _ALWAYS_INLINE_ int64_t division_round_up(int64_t p_num, int64_t p_den) { + int32_t offset = (p_num < 0 && p_den < 0) ? 1 : -1; + return (p_num + p_den + offset) / p_den; + } + static _ALWAYS_INLINE_ uint64_t division_round_up(uint64_t p_num, uint64_t p_den) { + return (p_num + p_den - 1) / p_den; + } + static _ALWAYS_INLINE_ bool is_finite(double p_val) { return isfinite(p_val); } static _ALWAYS_INLINE_ bool is_finite(float p_val) { return isfinite(p_val); } |