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Add check for hybrid Control/Matrix Gate classes + test
- Configured equivalence of gates from subclass to base class - Renamed get_matrix to get_matrix_after_qubit_remapping and moved function to matrix_expander - Added tests to check equivalence between MatrixGate and ControlGate objects
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Juan Boschero
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Mar 6, 2024
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Original file line number | Diff line number | Diff line change |
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from opensquirrel.utils.matrix_expander import get_matrix, get_matrix_after_qubit_remapping | ||
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__all__ = ["get_matrix", "get_matrix_after_qubit_remapping"] |
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Original file line number | Diff line number | Diff line change |
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import unittest | ||
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import numpy as np | ||
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from opensquirrel.default_gates import * | ||
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class SquirrelIRTest(unittest.TestCase): | ||
def test_cnot_equality(self): | ||
cnot_matrix_gate = MatrixGate( | ||
np.array( | ||
[ | ||
[1, 0, 0, 0], | ||
[0, 1, 0, 0], | ||
[0, 0, 0, 1], | ||
[0, 0, 1, 0], | ||
] | ||
), | ||
operands=[Qubit(4), Qubit(100)], | ||
) | ||
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cnot_controlled_gate = ControlledGate( | ||
Qubit(4), BlochSphereRotation(qubit=Qubit(100), axis=(1, 0, 0), angle=math.pi, phase=math.pi / 2) | ||
) | ||
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self.assertTrue(cnot_controlled_gate == cnot_matrix_gate) | ||
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def test_cnot_inequality(self): | ||
swap_matrix_gate = MatrixGate( | ||
np.array( | ||
[ | ||
[1, 0, 0, 0], | ||
[0, 0, 1, 0], | ||
[0, 1, 0, 0], | ||
[0, 0, 0, 1], | ||
] | ||
), | ||
operands=[Qubit(4), Qubit(100)], | ||
) | ||
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cnot_controlled_gate = ControlledGate( | ||
Qubit(4), BlochSphereRotation(qubit=Qubit(100), axis=(1, 0, 0), angle=math.pi, phase=math.pi / 2) | ||
) | ||
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self.assertFalse(cnot_controlled_gate == swap_matrix_gate) | ||
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def test_different_qubits_gate(self): | ||
large_identity_matrix_gate = MatrixGate( | ||
np.array( | ||
[ | ||
[1, 0, 0, 0], | ||
[0, 1, 0, 0], | ||
[0, 0, 1, 0], | ||
[0, 0, 0, 1], | ||
] | ||
), | ||
operands=[Qubit(0), Qubit(2)], | ||
) | ||
small_identity_control_gate = ControlledGate( | ||
Qubit(4), BlochSphereRotation(qubit=Qubit(2), axis=(1, 0, 0), angle=0, phase=0) | ||
) | ||
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self.assertTrue(large_identity_matrix_gate == small_identity_control_gate) | ||
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def test_inverse_gate(self): | ||
inverted_matrix_gate = MatrixGate( | ||
np.array( | ||
[ | ||
[1, 0, 0, 0], | ||
[0, 0, 0, 1], | ||
[0, 0, 1, 0], | ||
[0, 1, 0, 0], | ||
] | ||
), | ||
operands=[Qubit(0), Qubit(1)], | ||
) | ||
|
||
inverted_cnot_gate = ControlledGate( | ||
Qubit(1), BlochSphereRotation(qubit=Qubit(0), axis=(1, 0, 0), angle=math.pi, phase=math.pi / 2) | ||
) | ||
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self.assertTrue(inverted_matrix_gate == inverted_cnot_gate) | ||
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def test_global_phase(self): | ||
inverted_matrix_with_phase = MatrixGate( | ||
np.array( | ||
[ | ||
[1j, 0, 0, 0], | ||
[0, 0, 0, 1j], | ||
[0, 0, 1j, 0], | ||
[0, 1j, 0, 0], | ||
] | ||
), | ||
operands=[Qubit(0), Qubit(1)], | ||
) | ||
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inverted_cnot_gate = ControlledGate( | ||
Qubit(1), BlochSphereRotation(qubit=Qubit(0), axis=(1, 0, 0), angle=math.pi, phase=math.pi / 2) | ||
) | ||
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self.assertTrue(inverted_matrix_with_phase == inverted_cnot_gate) |