public void testSin() { assertEquals(Vba.sqr(0.5d), Vba.sin(Math.PI / 4d), SMALL); }
public void testSqr() { assertEquals(2d, Vba.sqr(4d), 0d); assertEquals(0d, Vba.sqr(0d), 0d); assertTrue(Double.isNaN(Vba.sqr(-4))); }
public void testCos() { assertEquals(1d, Vba.cos(0), 0d); assertEquals(Vba.sqr(0.5d), Vba.cos(Math.PI / 4d), 0d); assertEquals(0d, Vba.cos(Math.PI / 2d), SMALL); assertEquals(-1d, Vba.cos(Math.PI), 0d); }