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Code Issues Releases Wiki Activity

filter_kernels: add comment to prevent confusion

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There are conflicting definitons of Ginseng.
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Niklas Haas 2015-03-15 17:44:21 +01:00
parent 31a5f08f13
commit 9cd523bf5f
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1 changed files with 2 additions and 0 deletions
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video/out/filter_kernels.c
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@ -279,6 +279,8 @@ static double lanczos(kernel *k, double x)
static double ewa_ginseng(kernel *k, double x) static double ewa_ginseng(kernel *k, double x)
{ {
// Note: This is EWA ginseng, aka sinc-windowed jinc.
// Not to be confused with tensor ginseng, aka jinc-windowed sinc.
double radius = k->radius; double radius = k->radius;
if (fabs(x) >= radius) if (fabs(x) >= radius)
return 0.0; return 0.0;