@Test
public void testCubeRoot() {
ASTRoot nodeCubeRt = ASTFunction.createASTRoot(3);
nodeCubeRt.addChildNode(ASTNumber.createNumber(27));
assertEquals(3, nodeCubeRt.evaluate(IEvaluationContext.NULL_CONTEXT).getValue(),ASTTest.TOLERANCE);
}
@Test
public void testNthRoot() {
ASTRoot nthRt = ASTFunction.createASTRoot(5);