ConvertYPbPrToRGB 1542 magick/colorspace.c   ConvertYPbPrToRGB(Y,Cb,Cr,red,green,blue);
ConvertYPbPrToRGB 2148 magick/colorspace.c               ConvertYPbPrToRGB(X,Y,Z,&red,&green,&blue);
ConvertYPbPrToRGB  235 tests/validate.c   ConvertYPbPrToRGB(Y,Cb,Cr,red,green,blue);
ConvertYPbPrToRGB  782 tests/validate.c   ConvertYPbPrToRGB(0.783460,-0.180419+0.5,-0.169461+0.5,&r,&g,&b);