nurat_rationalize_internal 1571 rational.c         nurat_rationalize_internal(a, b, &p, &q);
nurat_rationalize_internal 2044 rational.c         nurat_rationalize_internal(a, b, &p, &q);
nurat_rationalize_internal 2082 rational.c         nurat_rationalize_internal(a, b, &p, &q);