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Squin noise

SquinNoiseToStim dataclass 

SquinNoiseToStim()

Bases: RewriteRule


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              bloqade.stim.rewrite.squin_noise.SquinNoiseToStim[SquinNoiseToStim]

              

              click bloqade.stim.rewrite.squin_noise.SquinNoiseToStim href "" "bloqade.stim.rewrite.squin_noise.SquinNoiseToStim"

rewrite_CorrelatedQubitLoss 

rewrite_CorrelatedQubitLoss(
    stmt: CorrelatedQubitLoss,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement

Rewrite squin.noise.CorrelatedQubitLoss to stim.CorrelatedQubitLoss.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_CorrelatedQubitLoss(
    self,
    stmt: squin_noise.stmts.CorrelatedQubitLoss,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.CorrelatedQubitLoss to stim.CorrelatedQubitLoss."""
    stim_stmt = stim_noise.CorrelatedQubitLoss(
        targets=qubit_idx_ssas,
        probs=(stmt.p,),
    )

    return stim_stmt

rewrite_Depolarize 

rewrite_Depolarize(
    stmt: Depolarize, qubit_idx_ssas: Tuple[SSAValue]
) -> Statement

Rewrite squin.noise.Depolarize to stim.Depolarize1.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_Depolarize(
    self,
    stmt: squin_noise.stmts.Depolarize,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.Depolarize to stim.Depolarize1."""

    stim_stmt = stim_noise.Depolarize1(
        targets=qubit_idx_ssas,
        p=stmt.p,
    )

    return stim_stmt

rewrite_Depolarize2 

rewrite_Depolarize2(
    stmt: Depolarize2, qubit_idx_ssas: Tuple[SSAValue]
) -> Statement

Rewrite squin.noise.Depolarize2 to stim.Depolarize2.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_Depolarize2(
    self,
    stmt: squin_noise.stmts.Depolarize2,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.Depolarize2 to stim.Depolarize2."""

    stim_stmt = stim_noise.Depolarize2(targets=qubit_idx_ssas, p=stmt.p)
    return stim_stmt

rewrite_NoiseChannel 

rewrite_NoiseChannel(stmt: NoiseChannel) -> RewriteResult

Rewrite NoiseChannel statements to their stim equivalents.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_NoiseChannel(
    self, stmt: squin_noise.stmts.NoiseChannel
) -> RewriteResult:
    """Rewrite NoiseChannel statements to their stim equivalents."""

    rewrite_method = getattr(self, f"rewrite_{type(stmt).__name__}", None)

    # No rewrite method exists and the rewrite should stop
    if rewrite_method is None:
        return RewriteResult()
    if isinstance(stmt, squin_noise.stmts.CorrelatedQubitLoss):
        # CorrelatedQubitLoss represents a broadcast operation, but Stim does not
        # support broadcasting for multi-qubit noise channels.
        # Therefore, we must expand the broadcast into individual stim statements.
        qubit_address_attr = stmt.qubits.hints.get("address", None)

        if not isinstance(qubit_address_attr, AddressAttribute):
            return RewriteResult()

        if not isinstance(address := qubit_address_attr.address, PartialIList):
            return RewriteResult()

        if not types.is_tuple_of(data := address.data, AddressReg):
            return RewriteResult()

        for address_reg in data:

            qubit_idx_ssas = insert_qubit_idx_from_address(
                AddressAttribute(address_reg), stmt
            )

            stim_stmt = rewrite_method(stmt, qubit_idx_ssas)
            stim_stmt.insert_before(stmt)

        stmt.delete()

        return RewriteResult(has_done_something=True)

    if isinstance(stmt, squin_noise.stmts.SingleQubitNoiseChannel):
        qubit_address_attr = stmt.qubits.hints.get("address", None)
        if qubit_address_attr is None:
            return RewriteResult()
        qubit_idx_ssas = insert_qubit_idx_from_address(qubit_address_attr, stmt)

    elif isinstance(stmt, squin_noise.stmts.TwoQubitNoiseChannel):
        control_address_attr = stmt.controls.hints.get("address", None)
        target_address_attr = stmt.targets.hints.get("address", None)
        if control_address_attr is None or target_address_attr is None:
            return RewriteResult()
        control_qubit_idx_ssas = insert_qubit_idx_from_address(
            control_address_attr, stmt
        )
        target_qubit_idx_ssas = insert_qubit_idx_from_address(
            target_address_attr, stmt
        )
        if control_qubit_idx_ssas is None or target_qubit_idx_ssas is None:
            return RewriteResult()

        # For stim statements you want to interleave the control and target qubit indices:
        # ex: CX controls = (0,1) targets = (2,3) in stim is: CX 0 2 1 3
        qubit_idx_ssas = list(
            itertools.chain.from_iterable(
                zip(control_qubit_idx_ssas, target_qubit_idx_ssas)
            )
        )
    else:
        return RewriteResult()

    # guaranteed that you have a valid stim_stmt to plug in
    stim_stmt = rewrite_method(stmt, tuple(qubit_idx_ssas))
    stmt.replace_by(stim_stmt)

    return RewriteResult(has_done_something=True)

rewrite_QubitLoss 

rewrite_QubitLoss(
    stmt: QubitLoss, qubit_idx_ssas: Tuple[SSAValue]
) -> Statement

Rewrite squin.noise.QubitLoss to stim.TrivialError.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_QubitLoss(
    self,
    stmt: squin_noise.stmts.QubitLoss,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.QubitLoss to stim.TrivialError."""

    stim_stmt = stim_noise.QubitLoss(
        targets=qubit_idx_ssas,
        probs=(stmt.p,),
    )

    return stim_stmt

rewrite_SingleQubitPauliChannel 

rewrite_SingleQubitPauliChannel(
    stmt: SingleQubitPauliChannel,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement

Rewrite squin.noise.SingleQubitPauliChannel to stim.PauliChannel1.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_SingleQubitPauliChannel(
    self,
    stmt: squin_noise.stmts.SingleQubitPauliChannel,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.SingleQubitPauliChannel to stim.PauliChannel1."""

    stim_stmt = stim_noise.PauliChannel1(
        targets=qubit_idx_ssas,
        px=stmt.px,
        py=stmt.py,
        pz=stmt.pz,
    )
    return stim_stmt

rewrite_TwoQubitPauliChannel 

rewrite_TwoQubitPauliChannel(
    stmt: TwoQubitPauliChannel,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement

Rewrite squin.noise.TwoQubitPauliChannel to stim.PauliChannel2.

Source code in .venv/lib/python3.12/site-packages/bloqade/stim/rewrite/squin_noise.py 
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def rewrite_TwoQubitPauliChannel(
    self,
    stmt: squin_noise.stmts.TwoQubitPauliChannel,
    qubit_idx_ssas: Tuple[SSAValue],
) -> Statement:
    """Rewrite squin.noise.TwoQubitPauliChannel to stim.PauliChannel2."""

    params = stmt.probabilities
    prob_ssas = []
    for idx in range(15):
        idx_stmt = py.Constant(value=idx)
        idx_stmt.insert_before(stmt)
        getitem_stmt = py.GetItem(obj=params, index=idx_stmt.result)
        getitem_stmt.insert_before(stmt)
        prob_ssas.append(getitem_stmt.result)

    stim_stmt = stim_noise.PauliChannel2(
        targets=qubit_idx_ssas,
        pix=prob_ssas[0],
        piy=prob_ssas[1],
        piz=prob_ssas[2],
        pxi=prob_ssas[3],
        pxx=prob_ssas[4],
        pxy=prob_ssas[5],
        pxz=prob_ssas[6],
        pyi=prob_ssas[7],
        pyx=prob_ssas[8],
        pyy=prob_ssas[9],
        pyz=prob_ssas[10],
        pzi=prob_ssas[11],
        pzx=prob_ssas[12],
        pzy=prob_ssas[13],
        pzz=prob_ssas[14],
    )
    return stim_stmt