same_float       1923 src/fns.c                if (FLOATP (tem) && same_float (elt, tem))
same_float       2687 src/fns.c          return FLOATP (obj2) && same_float (obj1, obj2) ? Qt : Qnil;
same_float       2789 src/fns.c            return same_float (o1, o2);