SigmaGaussian    2658 magick/accelerate-private.h OPENCL_DEFINE(SigmaGaussian,(attenuate*0.015625f))
SigmaGaussian    2836 magick/accelerate-private.h         noise=(float)(pixel+sqrt((float) pixel)*SigmaGaussian*sigma+
SigmaGaussian    1526 magick/gem.c         noise=(double) (pixel+sqrt((double) pixel)*SigmaGaussian*sigma+