public void testSign08() {
ml.executeExpression("a=sign(3+4i);");
assertEquals(0.6, ml.getScalarValueRe("a"), 0.01);
assertEquals(0.8, ml.getScalarValueIm("a"), 0.01);
}
public void testSign07() {
ml.executeExpression("a=sign(-55i);");
assertTrue(0.0 == ml.getScalarValueRe("a"));
assertTrue(-1.0 == ml.getScalarValueIm("a"));
}