In                773 magick/composite.c   composite->red=gamma*In(p->red,Sa,q->red,Da);
In                774 magick/composite.c   composite->green=gamma*In(p->green,Sa,q->green,Da);
In                775 magick/composite.c   composite->blue=gamma*In(p->blue,Sa,q->blue,Da);
In                777 magick/composite.c     composite->index=gamma*In(p->index,Sa,q->index,Da);