Lines Matching refs:M_PI
308 …q = (double)sqrt(2.0f/(M_PI*x))*(double)(KernelBessel_P1(x)*(1.0f/sqrt(2.0f)*(sin(x)-cos(x)))-8.0f… in KernelBessel_Order1()
318 return (double)(M_PI/4.0f); in filter_bessel()
319 return (KernelBessel_Order1((double)M_PI*x)/(2.0f*x)); in filter_bessel()
325 return (0.42f+0.5f*(double)cos(M_PI*x)+0.08f*(double)cos(2.0f*M_PI*x)); in filter_blackman()
445 return R * sin(x*M_PI) * sin(x * M_PI/ R) / (x * M_PI * x * M_PI); in filter_lanczos8()
463 return R * sin(x*M_PI) * sin(x * M_PI / R) / (x * M_PI * x * M_PI); in filter_lanczos3()
530 if ((x >= -1.0) && (x <= 1.0)) return ((cos(x * M_PI) + 1.0)/2.0); in filter_cosine()
587 return(0.5 + 0.5 * cos(M_PI * x)); in filter_hanning()
615 return (sin(M_PI * (double) x) / (M_PI * (double) x)); in filter_sinc()
1614 float _angle = ((float) (-degrees / 180.0f) * (float)M_PI); in gdImageRotateNearestNeighbour()
1671 float _angle = ((float) (-degrees / 180.0f) * (float)M_PI); in gdImageRotateGeneric()
1737 float _angle = (float)((- degrees / 180.0f) * M_PI); in gdImageRotateBilinear()
1852 const float _angle = (float)((- degrees / 180.0f) * M_PI); in gdImageRotateBicubicFixed()
