GetOptimalKernelWidth1D 2569 magick/effect.c   width=GetOptimalKernelWidth1D(radius,sigma);
GetOptimalKernelWidth1D  422 magick/gem.c     return(GetOptimalKernelWidth1D(radius,sigma));
GetOptimalKernelWidth1D   30 magick/gem.h     GetOptimalKernelWidth1D(const double,const double),