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Revert "Support commutation check between Pauli-based gates and standard gates (#15488)" #15906

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Merged
jakelishman merged 1 commit into from
Mar 30, 2026
Merged

Revert "Support commutation check between Pauli-based gates and standard gates (#15488)" #15906

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9 changes: 0 additions & 9 deletions crates/circuit/src/util.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,12 +47,3 @@ pub const C_ONE: Complex64 = c64(1., 0.);
pub const C_M_ONE: Complex64 = c64(-1., 0.);
pub const IM: Complex64 = c64(0., 1.);
pub const M_IM: Complex64 = c64(0., -1.);

use std::f64::consts::{FRAC_PI_2, FRAC_PI_4, FRAC_PI_8, SQRT_2};
pub const C_FRAC_PI_2: Complex64 = c64(FRAC_PI_2, 0.0);
pub const C_FRAC_PI_4: Complex64 = c64(FRAC_PI_4, 0.0);
pub const C_FRAC_PI_8: Complex64 = c64(FRAC_PI_8, 0.0);
pub const C_FRAC_PI_2_SQRT_2: Complex64 = c64(FRAC_PI_2 / SQRT_2, 0.0);
pub const C_M_FRAC_PI_4: Complex64 = c64(-FRAC_PI_4, 0.0);
pub const C_M_FRAC_PI_8: Complex64 = c64(-FRAC_PI_8, 0.0);
pub const C_M_FRAC_PI_2_SQRT_2: Complex64 = c64(-FRAC_PI_2 / SQRT_2, 0.0);
1 change: 0 additions & 1 deletion crates/pyext/src/lib.rs
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Expand Up @@ -72,7 +72,6 @@ fn _accelerate(m: &Bound<PyModule>) -> PyResult<()> {
add_submodule(m, ::qiskit_transpiler::passes::sabre::sabre, "sabre")?;
add_submodule(m, ::qiskit_accelerate::sampled_exp_val::sampled_exp_val, "sampled_exp_val")?;
add_submodule(m, ::qiskit_quantum_info::sparse_observable::sparse_observable, "sparse_observable")?;
add_submodule(m, ::qiskit_quantum_info::sparse_observable::standard_generators::standard_generators, "standard_generators")?;
add_submodule(m, ::qiskit_quantum_info::sparse_pauli_op::sparse_pauli_op, "sparse_pauli_op")?;
add_submodule(m, ::qiskit_transpiler::passes::scheduling_mod, "scheduling")?;
add_submodule(m, ::qiskit_quantum_info::unitary_sim::unitary_sim, "unitary_sim")?;
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13 changes: 0 additions & 13 deletions crates/quantum_info/src/sparse_observable/mod.rs
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Expand Up @@ -10,8 +10,6 @@
// copyright notice, and modified files need to carry a notice indicating
// that they have been altered from the originals.

pub mod standard_generators;

mod lookup;

use hashbrown::HashSet;
Expand Down Expand Up @@ -4486,19 +4484,8 @@ fn coerce_to_observable<'py>(
}
}
}
#[pyfunction(name = "_generator_observable")]
#[pyo3(signature = (gate, params = None))]
pub fn generator_observable_py(
gate: qiskit_circuit::operations::StandardGate,
params: Option<Vec<qiskit_circuit::operations::Param>>,
) -> Option<SparseObservable> {
let params = params.unwrap_or_default();
standard_generators::generator_observable(gate, &params)
}

pub fn sparse_observable(m: &Bound<PyModule>) -> PyResult<()> {
m.add_class::<PySparseObservable>()?;
m.add_function(wrap_pyfunction!(generator_observable_py, m)?)?;
Ok(())
}

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