f64vector_div    5243 ext/uvector/uvector.c     f64vector_div("f64vector-div", d, SCM_OBJ(s0), s1, clamp);
f64vector_div    5249 ext/uvector/uvector.c     f64vector_div("f64vector-div!", SCM_OBJ(s0), SCM_OBJ(s0), s1, clamp);