def test_real(self): """Test real. """ A = np.ones((2, 2)) expr = Constant(A) + 1j*Constant(A) expr = cvx.real(expr) assert expr.is_real() assert not expr.is_complex() assert not expr.is_imag() self.assertItemsAlmostEqual(expr.value, A) x = Variable(complex=True) expr = cvx.imag(x) + cvx.real(x) assert expr.is_real()
def test_conj(self): """Test imag. """ A = np.ones((2, 2)) expr = Constant(A) + 1j*Constant(A) expr = cvx.conj(expr) assert not expr.is_real() assert expr.is_complex() assert not expr.is_imag() self.assertItemsAlmostEqual(expr.value, A - 1j*A)
def test_imag(self) -> None: """Test imag. """ A = np.ones((2, 2)) expr = Constant(A) + 2j*Constant(A) expr = cvx.imag(expr) assert expr.is_real() assert not expr.is_complex() assert not expr.is_imag() self.assertItemsAlmostEqual(expr.value, 2*A)