Searched refs:thirdpi (Results 1 – 2 of 2) sorted by relevance
598 const double thirdpi = M_PI / 3.0; in lanczos3_filter() local608 *f = threeopisq * sin(M_PI * x) * sin(thirdpi * x) / (x * x); in lanczos3_filter()
3536 const double thirdpi = M_PI / 3.0; in lanczos3_filter() local3546 *f = threeopisq * sin(M_PI * x) * sin(thirdpi * x) / (x * x); in lanczos3_filter()