assertEquals(eval(r, -3.14159, 1), -3.2);
assertEquals(eval(r, 31415.92654, -2), 31500.);
}
public void testSIGN() throws Exception {
SIGN s = new SIGN();
assertEquals(eval(s, 10), 1.);
assertEquals(eval(s, 4 - 4), 0.);
assertEquals(eval(s, -0.00001), -1.);
}