Searched refs:KernelBessel_Q1 (Results 1 - 1 of 1) sorted by relevance

/PHP_TRUNK/ext/gd/libgd/
H A Dgd_interpolation.c251 static double KernelBessel_Q1(const double x) function
298 q = (double)sqrt(2.0f/(M_PI*x))*(double)(KernelBessel_P1(x)*(1.0f/sqrt(2.0f)*(sin(x)-cos(x)))-8.0f/x*KernelBessel_Q1(x)*

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