From c91c5cb8e892f1c19c970cef033cc03c9f47f98a Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Sun, 2 Jul 2017 17:30:22 +0200 Subject: Add mod to blind-arithm MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- src/video-math.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'src/video-math.h') diff --git a/src/video-math.h b/src/video-math.h index 709afb9..fe0e604 100644 --- a/src/video-math.h +++ b/src/video-math.h @@ -17,6 +17,20 @@ nnpowf(float a, float b) return neg ? -a : a; } +static inline double +posmod(double a, double b) +{ + double x = fmod(a, b); + return x < 0 ? x + b : x; +} + +static inline float +posmodf(float a, float b) +{ + float x = fmodf(a, b); + return x < 0 ? x + b : x; +} + #define GENERIC(TYPE, FUNC, ...)\ TYPE: FUNC(__VA_ARGS__),\ TYPE *: FUNC(__VA_ARGS__),\ @@ -52,6 +66,8 @@ nnpowf(float a, float b) #define g_isinf(...) MATH_GENERIC_1(isinf, __VA_ARGS__) #define g_isfinite(...) MATH_GENERIC_1(isfinite, __VA_ARGS__) #define nnpow(...) MATH_GENERIC_N(nnpow, __VA_ARGS__) +#define mod(...) MATH_GENERIC_N(fmod, __VA_ARGS__) +#define posmod(...) MATH_GENERIC_N(posmod, __VA_ARGS__) #define srgb_encode(...) BLIND_GENERIC_1(srgb_encode, __VA_ARGS__) #define srgb_decode(...) BLIND_GENERIC_1(srgb_decode, __VA_ARGS__) -- cgit v1.2.3-70-g09d2