cirq.compute_cphase_exponents_for_fsim_decomposition
Returns intervals of CZPowGate exponents valid for FSim decomposition.
cirq.compute_cphase_exponents_for_fsim_decomposition(
fsim_gate: 'cirq.FSimGate'
) -> Sequence[Tuple[float, float]]
Ideal intervals associated with the constraints are closed, but due to
numerical error the caller should not assume the endpoints themselves
are valid for the decomposition. See decompose_cphase_into_two_fsim
for details on how FSimGate parameters constrain the phase angle of
CZPowGate.
Args |
|---|
fsim_gate
|
FSimGate into which CZPowGate would be decomposed.
|
Returns |
|---|
|
Sequence of 2-tuples each consisting of the minimum and maximum
value of the exponent for which CZPowGate can be decomposed into
two FSimGates. The intervals are cropped to [0, 2]. The function
returns zero, one or two intervals.
|
Raises |
|---|
ValueError
|
if the fsim_gate contains symbolic parameters.
|
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Last updated 2024-06-27 UTC.
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