@Test
public void sign() {

	assertEquals(-1, MathUtil.sign(-145.25));
	assertEquals(-1, MathUtil.sign(-0.25));
	assertEquals(0, MathUtil.sign(-0.));
	assertEquals(0, MathUtil.sign(0.));
	assertEquals(0, MathUtil.sign(+0.));
	assertEquals(1, MathUtil.sign(145.25));
	assertEquals(1, MathUtil.sign(0.25));
	//
	assertInlineParameterUsage(MathUtil.class, "sign", double.class); //$NON-NLS-1$
}