Program Listing for File PauliGenerator.hpp

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// Copyright 2018-2023 Xanadu Quantum Technologies Inc.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <complex>
#include <cstdlib>
#include <vector>

namespace Pennylane::LightningQubit::Gates {
template <class GateImplementation> class PauliGenerator {
  public:
    template <class PrecisionT>
    [[nodiscard]] static auto
    applyGeneratorRX(std::complex<PrecisionT> *data, size_t num_qubits,
                     const std::vector<size_t> &wires, bool adj) -> PrecisionT {
        GateImplementation::applyPauliX(data, num_qubits, wires, adj);
        // NOLINTNEXTLINE(readability-magic-numbers)
        return -static_cast<PrecisionT>(0.5);
    }
    template <class PrecisionT>
    [[nodiscard]] static auto
    applyGeneratorRY(std::complex<PrecisionT> *data, size_t num_qubits,
                     const std::vector<size_t> &wires, bool adj) -> PrecisionT {
        GateImplementation::applyPauliY(data, num_qubits, wires, adj);
        // NOLINTNEXTLINE(readability-magic-numbers)
        return -static_cast<PrecisionT>(0.5);
    }
    template <class PrecisionT>
    [[nodiscard]] static auto
    applyGeneratorRZ(std::complex<PrecisionT> *data, size_t num_qubits,
                     const std::vector<size_t> &wires, bool adj) -> PrecisionT {
        GateImplementation::applyPauliZ(data, num_qubits, wires, adj);
        // NOLINTNEXTLINE(readability-magic-numbers)
        return -static_cast<PrecisionT>(0.5);
    }
};
} // namespace Pennylane::LightningQubit::Gates

api/program_listing_file_pennylane_lightning_core_src_simulators_lightning_qubit_gates_cpu_kernels_PauliGenerator.hpp

 

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