image_relational.h

VALUE img_equal(int , VALUE*, VALUE);
VALUE img_notequal(int , VALUE*, VALUE);
VALUE img_less(int , VALUE*, VALUE);
VALUE img_lesseq(int , VALUE*, VALUE);
VALUE img_more(int , VALUE*, VALUE);
VALUE img_moreeq(int , VALUE*, VALUE);
VALUE img_ifthenelse(VALUE , VALUE , VALUE);
VALUE img_blend(VALUE , VALUE , VALUE);