Lines Matching refs:M_PI
297 …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()
307 return (double)(M_PI/4.0f); in filter_bessel()
308 return (KernelBessel_Order1((double)M_PI*x)/(2.0f*x)); in filter_bessel()
314 return (0.42f+0.5f*(double)cos(M_PI*x)+0.08f*(double)cos(2.0f*M_PI*x)); in filter_blackman()
434 return R * sin(x*M_PI) * sin(x * M_PI/ R) / (x * M_PI * x * M_PI); in filter_lanczos8()
452 return R * sin(x*M_PI) * sin(x * M_PI / R) / (x * M_PI * x * M_PI); in filter_lanczos3()
519 if ((x >= -1.0) && (x <= 1.0)) return ((cos(x * M_PI) + 1.0)/2.0); in filter_cosine()
576 return(0.5 + 0.5 * cos(M_PI * x)); in filter_hanning()
604 return (sin(M_PI * (double) x) / (M_PI * (double) x)); in filter_sinc()
1633 float _angle = ((float) (-degrees / 180.0f) * (float)M_PI); in gdImageRotateNearestNeighbour()
1690 float _angle = ((float) (-degrees / 180.0f) * (float)M_PI); in gdImageRotateGeneric()
1756 float _angle = (float)((- degrees / 180.0f) * M_PI); in gdImageRotateBilinear()
1871 const float _angle = (float)((- degrees / 180.0f) * M_PI); in gdImageRotateBicubicFixed()