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| 1 | // Copyright 2019-2022 Cambridge Quantum Computing | |||
| 2 | // | |||
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |||
| 4 | // you may not use this file except in compliance with the License. | |||
| 5 | // You may obtain a copy of the License at | |||
| 6 | // | |||
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 | |||
| 8 | // | |||
| 9 | // Unless required by applicable law or agreed to in writing, software | |||
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, | |||
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||
| 12 | // See the License for the specific language governing permissions and | |||
| 13 | // limitations under the License. | |||
| 14 | ||||
| 15 | #pragma once | |||
| 16 | ||||
| 17 | /** | |||
| 18 | * @file | |||
| 19 | * @brief Include this file rather than including the Eigen headers directly | |||
| 20 | */ | |||
| 21 | ||||
| 22 | #include "Utils/Json.hpp" | |||
| 23 | ||||
| 24 | #if !defined(_MSC_VER) | |||
| 25 | #pragma GCC diagnostic push | |||
| 26 | ||||
| 27 | #if defined(__clang__) | |||
| 28 | #if __has_warning("-Wdeprecated-copy") | |||
| 29 | #pragma GCC diagnostic ignored "-Wdeprecated-copy" | |||
| 30 | #endif | |||
| 31 | #elif __GNUC__ >= 11 | |||
| 32 | #pragma GCC diagnostic ignored "-Wmaybe-uninitialized" | |||
| 33 | #endif | |||
| 34 | #endif | |||
| 35 | ||||
| 36 | #include <Eigen/Dense> | |||
| 37 | #include <Eigen/SparseCore> | |||
| 38 | #include <unsupported/Eigen/KroneckerProduct> | |||
| 39 | #include <unsupported/Eigen/MatrixFunctions> | |||
| 40 | ||||
| 41 | #if !defined(_MSC_VER) | |||
| 42 | #pragma GCC diagnostic pop | |||
| 43 | #endif | |||
| 44 | ||||
| 45 | namespace Eigen { | |||
| 46 | ||||
| 47 | template <typename _Scalar, int _Rows, int _Cols> | |||
| 48 | 13 | void to_json(nlohmann::json& j, const Matrix<_Scalar, _Rows, _Cols>& matrix) { | ||
| 49 |
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75 | for (Index i = 0; i < matrix.rows(); ++i) { |
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62 | nlohmann::json row = nlohmann::json::array(); | |
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314 | for (Index j = 0; j < matrix.cols(); ++j) { |
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252 | row.push_back(matrix(i, j)); | |
| 53 | } | |||
| 54 |
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62 | j.push_back(row); | |
| 55 | } | |||
| 56 | 13 | } | ||
| 57 | ||||
| 58 | template <typename _Scalar, int _Rows, int _Cols> | |||
| 59 | 14 | void from_json(const nlohmann::json& j, Matrix<_Scalar, _Rows, _Cols>& matrix) { | ||
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86 | for (size_t i = 0; i < j.size(); ++i) { |
| 61 | 72 | const auto& j_row = j.at(i); | ||
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356 | for (size_t j = 0; j < j_row.size(); ++j) { |
| 63 | 284 | matrix(i, j) = | ||
| 64 | 284 | j_row.at(j).get<typename Matrix<_Scalar, _Rows, _Cols>::Scalar>(); | ||
| 65 | } | |||
| 66 | } | |||
| 67 | 14 | } | ||
| 68 | ||||
| 69 | } // namespace Eigen | |||
| 70 |