Commit fa3e6066 authored by Nguyen, Thien Minh's avatar Nguyen, Thien Minh
Browse files

Reconstruct the tensor expansion before adding more gates so that the count is strictly respected. 



Signed-off-by: default avatarThien Nguyen <nguyentm@ornl.gov>
parent 8b6700f4

tnqvm/visitors/exatn-gen/ExatnGenVisitor.cpp

+3 −2
Original line number Diff line number Diff line
@@ -601,7 +601,9 @@ void ExatnGenVisitor<TNQVM_COMPLEX_TYPE>::appendGateTensor( 
  // Count gate layer if this is a multi-qubit gate.

  if (in_gateInstruction.nRequiredBits() > 1) {

    updateLayerCounter(in_gateInstruction);

    reconstructCircuitTensor();

  }



  const auto gateName = GetGateName(GateType);

  const GateInstanceIdentifier gateInstanceId(gateName, in_params...);

  const std::string uniqueGateName = gateInstanceId.toNameString();
@@ -676,8 +678,6 @@ void ExatnGenVisitor<TNQVM_COMPLEX_TYPE>::appendGateTensor( 
    xacc::error("Failed to append tensor for gate " +

                in_gateInstruction.name() + ", pairing = " + gatePairingString);

  }



  reconstructCircuitTensor();

}



template <typename TNQVM_COMPLEX_TYPE>
@@ -1057,6 +1057,7 @@ void ExatnGenVisitor<TNQVM_COMPLEX_TYPE>::updateLayerCounter( 
    } else {

      ++m_layerCounter;

      m_layerTracker.clear();

      m_layerTracker.emplace(std::make_pair(q1, q2));

    }

  }

}