gf_trig_prenorm   184 src/utils/math.c 	gf_trig_prenorm( &v );
gf_trig_prenorm   489 src/utils/math.c 		shift = gf_trig_prenorm( &v );
gf_trig_prenorm   522 src/utils/math.c 	shift = gf_trig_prenorm( &v );
gf_trig_prenorm   541 src/utils/math.c 	shift = gf_trig_prenorm( &v );