public void Atan() { Complex cd1 = new Complex(1.1, -2.2); Complex cd2 = new Complex(0, -2.2); Complex cd3 = new Complex(1.1, 0); Complex cd4 = new Complex(-1.1, 2.2); ComplexFloat cf1 = new ComplexFloat(1.1f, -2.2f); ComplexFloat cf2 = new ComplexFloat(0, -2.2f); ComplexFloat cf3 = new ComplexFloat(1.1f, 0); ComplexFloat cf4 = new ComplexFloat(-1.1f, 2.2f); Complex cdt = ComplexMath.Atan(cd1); Assert.AreEqual(cdt.Real, 1.365, TOLERENCE); Assert.AreEqual(cdt.Imag, -0.366, TOLERENCE); cdt = ComplexMath.Atan(cd2); Assert.AreEqual(cdt.Real, -1.5708, TOLERENCE); Assert.AreEqual(cdt.Imag, -0.490415, TOLERENCE); cdt = ComplexMath.Atan(cd3); Assert.AreEqual(cdt.Real, 0.833, TOLERENCE); Assert.AreEqual(cdt.Imag, 0, TOLERENCE); cdt = ComplexMath.Atan(cd4); Assert.AreEqual(cdt.Real, -1.365, TOLERENCE); Assert.AreEqual(cdt.Imag, 0.366, TOLERENCE); ComplexFloat cft = ComplexMath.Atan(cf1); Assert.AreEqual(cft.Real, 1.365, TOLERENCE); Assert.AreEqual(cft.Imag, -0.366, TOLERENCE); cft = ComplexMath.Atan(cf2); Assert.AreEqual(cft.Real, -1.571, TOLERENCE); Assert.AreEqual(cft.Imag, -0.490, TOLERENCE); cft = ComplexMath.Atan(cf3); Assert.AreEqual(cft.Real, 0.833, TOLERENCE); Assert.AreEqual(cft.Imag, 0, TOLERENCE); cft = ComplexMath.Atan(cf4); Assert.AreEqual(cft.Real, -1.365, TOLERENCE); Assert.AreEqual(cft.Imag, 0.366, TOLERENCE); }