assertEquals(TH.eval(a, 2.5), 1.647231146371);
assertEquals(TH.eval(a, 10), 2.99822295029);
}
public void testATAN() throws Exception {
ATAN a = new ATAN();
TH.testDoubleInOutFunction(a);
for (int i = 0; i < 100; i++) {
double d = Math.random() * Math.PI;
assertEquals("ATAN not working", TH.eval(a, d), Math.atan(d));
}