def test_exponential_of_a_purely_real_number(self): input_number = ComplexNumber(1, 0) expected = ComplexNumber(math.e, 0) actual = input_number.exp() self.assertAlmostEqual(actual.real, expected.real) self.assertAlmostEqual(actual.imaginary, expected.imaginary)
def test_exponential_of_a_number_with_real_and_imaginary_part(self): input_number = ComplexNumber(math.log(2), math.pi) expected = ComplexNumber(-2, 0) actual = input_number.exp() self.assertAlmostEqual(actual.real, expected.real) self.assertAlmostEqual(actual.imaginary, expected.imaginary)
def test_exponential_of_0(self): input_number = ComplexNumber(0, 0) expected = ComplexNumber(1, 0) self.assertEqual(input_number.exp().real, expected.real) self.assertEqual(input_number.exp().imaginary, expected.imaginary)
def test_eulers_identity_formula(self): input_number = ComplexNumber(0, math.pi) expected = ComplexNumber(-1, 0) actual = input_number.exp() self.assertAlmostEqual(actual.real, expected.real) self.assertAlmostEqual(actual.imaginary, expected.imaginary)
def test_exponential_of_a_purely_real_number(self): input_number = ComplexNumber(1, 0) expected = ComplexNumber(math.e, 0) self.assertEqual(expected.real, input_number.exp().real) self.assertEqual(expected.imaginary, input_number.exp().imaginary)
def test_eulers_identity_formula(self): input_number = ComplexNumber(0, math.pi) expected = ComplexNumber(-1, 0) self.assertEqual(expected.real, input_number.exp().real) self.assertEqual(expected.imaginary, input_number.exp().imaginary)
def test_exponential_of_a_number_with_real_and_imaginary_part(self): input_number = ComplexNumber(math.log(2), math.pi) expected = ComplexNumber(-2, 0) self.assertEqual(input_number.exp(), expected)
def test_exponential_of_a_purely_real_number(self): input_number = ComplexNumber(1, 0) expected = ComplexNumber(math.e, 0) self.assertEqual(input_number.exp(), expected)
def test_exponential_of_0(self): input_number = ComplexNumber(0, 0) expected = ComplexNumber(1, 0) self.assertEqual(input_number.exp(), expected)
def test_eulers_identity_formula(self): input_number = ComplexNumber(0, math.pi) expected = ComplexNumber(-1, 0) self.assertEqual(input_number.exp(), expected)