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Avoid warning on complex-to-float conversion #5795

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merged 3 commits into from
Jul 18, 2022
Merged

Avoid warning on complex-to-float conversion #5795

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8d446be
Silence warning on complex-to-float conversion
pavoljuhas Jul 18, 2022
944ddbc
Merge branch 'master' into fix-casting-complex-to-real
CirqBot Jul 18, 2022
2c80d0d
Merge branch 'master' into fix-casting-complex-to-real
tanujkhattar Jul 18, 2022
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2 changes: 1 addition & 1 deletion cirq-core/cirq/ops/pauli_string.py
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Original file line number Diff line number Diff line change
Expand Up @@ -745,7 +745,7 @@ def _expectation_from_density_matrix_no_validation(
while any(result.shape):
result = np.trace(result, axis1=0, axis2=len(result.shape) // 2)

return float(result * self.coefficient)
return float(np.real(result * self.coefficient))

def zip_items(
self, other: 'cirq.PauliString[TKey]'
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