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| author | Max Hilbrunner <mhilbrunner@users.noreply.github.com> | 2019-05-16 23:25:48 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-05-16 23:25:48 +0200 |
| commit | 05cb337f2d2276e43eb2f7bf33362f1e78204aff (patch) | |
| tree | 6cbfbade8a7ca3af6e3a0cfe5772e67fb4f76465 /core/math/math_funcs.h | |
| parent | 2522a432568faa32974a27ca81ead5d8aa3975ce (diff) | |
| parent | 28bff3d1adce4fd7fb2e0420ff31ceb4bcc5fbad (diff) | |
Merge pull request #28587 from Daw11/lanczos
Implement Lanczos image filter
Diffstat (limited to 'core/math/math_funcs.h')
| -rw-r--r-- | core/math/math_funcs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/math/math_funcs.h b/core/math/math_funcs.h index a75f2fb4ab..82b5b56c01 100644 --- a/core/math/math_funcs.h +++ b/core/math/math_funcs.h @@ -61,6 +61,12 @@ public: static _ALWAYS_INLINE_ double sinh(double p_x) { return ::sinh(p_x); } static _ALWAYS_INLINE_ float sinh(float p_x) { return ::sinhf(p_x); } + static _ALWAYS_INLINE_ float sinc(float p_x) { return p_x == 0 ? 1 : ::sin(p_x) / p_x; } + static _ALWAYS_INLINE_ double sinc(double p_x) { return p_x == 0 ? 1 : ::sin(p_x) / p_x; } + + static _ALWAYS_INLINE_ float sincn(float p_x) { return sinc(Math_PI * p_x); } + static _ALWAYS_INLINE_ double sincn(double p_x) { return sinc(Math_PI * p_x); } + static _ALWAYS_INLINE_ double cosh(double p_x) { return ::cosh(p_x); } static _ALWAYS_INLINE_ float cosh(float p_x) { return ::coshf(p_x); } |