SigmaRandom        72 magick/accelerate-private.h   OPENCL_DEFINE(SigmaRandom, (attenuate))
SigmaRandom       720 magick/accelerate-private.h       noise=(float) (QuantumRange*SigmaRandom*alpha);
SigmaRandom      1588 magick/gem.c         noise=(double) (QuantumRange*SigmaRandom*alpha);