diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/blind-arithm.c | 1 | ||||
| -rw-r--r-- | src/video-math.h | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/blind-arithm.c b/src/blind-arithm.c index 420f452..d392557 100644 --- a/src/blind-arithm.c +++ b/src/blind-arithm.c @@ -16,6 +16,7 @@ typedef void (*process_func)(struct stream *left, struct stream *right, size_t n X(sub, *lh -= rh, PIXFMT, TYPE)\ X(mul, *lh *= rh, PIXFMT, TYPE)\ X(div, *lh /= rh, PIXFMT, TYPE)\ + X(mod, *lh = posmod(*lh, rh), PIXFMT, TYPE)\ X(exp, *lh = pow(*lh, rh), PIXFMT, TYPE)\ X(log, *lh = log2(*lh) / log2(rh), PIXFMT, TYPE)\ X(min, *lh = MIN(*lh, rh), PIXFMT, TYPE)\ 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__) |