Revert "Fix non-complex dtypes in OneQubitEulerDecomposer methods (Qi…

…skit#9828)" This reverts commit 6cec912. This is currently causing flaky CI, so it's being reverted while work is done to determine the cause and fix it.
jakelishman · Mar 22, 2023 · 003a5b6 · 003a5b6
1 parent eb4c5cb
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diff --git a/qiskit/quantum_info/synthesis/one_qubit_decompose.py b/qiskit/quantum_info/synthesis/one_qubit_decompose.py
@@ -252,7 +252,6 @@ def angles(self, unitary):
         Returns:
             tuple: (theta, phi, lambda).
         """
-        unitary = np.asarray(unitary, dtype=complex)
         theta, phi, lam, _ = self._params(unitary)
         return theta, phi, lam
 
@@ -265,7 +264,6 @@ def angles_and_phase(self, unitary):
         Returns:
             tuple: (theta, phi, lambda, phase).
         """
-        unitary = np.asarray(unitary, dtype=complex)
         return self._params(unitary)
 
     _params_zyz = staticmethod(euler_one_qubit_decomposer.params_zyz)

diff --git a/releasenotes/notes/fix-type-angles-euler-decompose-233e5cee7205ed03.yaml b/releasenotes/notes/fix-type-angles-euler-decompose-233e5cee7205ed03.yaml
diff --git a/test/python/quantum_info/test_synthesis.py b/test/python/quantum_info/test_synthesis.py
@@ -591,44 +591,6 @@ def test_psx_zsx_special_cases(self):
             self.assertTrue(np.allclose(unitary, Operator(qc_zsx).data))
             self.assertTrue(np.allclose(unitary, Operator(qc_zsxx).data))
 
-    def test_float_input_angles_and_phase(self):
-        """Test angles and phase with float input."""
-        decomposer = OneQubitEulerDecomposer("PSX")
-        input_matrix = np.array(
-            [
-                [0.70710678, 0.70710678],
-                [0.70710678, -0.70710678],
-            ],
-            dtype=np.float64,
-        )
-        (theta, phi, lam, gamma) = decomposer.angles_and_phase(input_matrix)
-        expected_theta = 1.5707963267948966
-        expected_phi = 0.0
-        expected_lam = 3.141592653589793
-        expected_gamma = -0.7853981633974483
-        self.assertAlmostEqual(theta, expected_theta)
-        self.assertAlmostEqual(phi, expected_phi)
-        self.assertAlmostEqual(lam, expected_lam)
-        self.assertAlmostEqual(gamma, expected_gamma)
-
-    def test_float_input_angles(self):
-        """Test angles with float input."""
-        decomposer = OneQubitEulerDecomposer("PSX")
-        input_matrix = np.array(
-            [
-                [0.70710678, 0.70710678],
-                [0.70710678, -0.70710678],
-            ],
-            dtype=np.float64,
-        )
-        (theta, phi, lam) = decomposer.angles(input_matrix)
-        expected_theta = 1.5707963267948966
-        expected_phi = 0.0
-        expected_lam = 3.141592653589793
-        self.assertAlmostEqual(theta, expected_theta)
-        self.assertAlmostEqual(phi, expected_phi)
-        self.assertAlmostEqual(lam, expected_lam)
-
 
 # FIXME: streamline the set of test cases
 class TestTwoQubitWeylDecomposition(CheckDecompositions):