int
rb_cmpint(val, a, b)
VALUE val, a, b;
{
if (NIL_P(val)) {
rb_cmperr(a, b);
}
if (FIXNUM_P(val)) return FIX2INT(val);
if (TYPE(val) == T_BIGNUM) {
if (RBIGNUM(val)->sign) return 1;
return -1;
}
if (RTEST(rb_funcall(val, '>', 1, INT2FIX(0)))) return 1;
if (RTEST(rb_funcall(val, '<', 1, INT2FIX(0)))) return -1;
return 0;
}