/* example/eigen.cpp -- automatic conversion of Eigen types Copyright (c) 2016 Wenzel Jakob All rights reserved. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. */ #include "example.h" #include Eigen::VectorXf double_col(const Eigen::VectorXf& x) { return 2.0f * x; } Eigen::RowVectorXf double_row(const Eigen::RowVectorXf& x) { return 2.0f * x; } Eigen::MatrixXf double_mat_cm(const Eigen::MatrixXf& x) { return 2.0f * x; } typedef Eigen::Matrix MatrixXfRowMajor; MatrixXfRowMajor double_mat_rm(const MatrixXfRowMajor& x) { return 2.0f * x; } void init_eigen(py::module &m) { typedef Eigen::Matrix FixedMatrixR; typedef Eigen::Matrix FixedMatrixC; typedef Eigen::Matrix DenseMatrixR; typedef Eigen::Matrix DenseMatrixC; typedef Eigen::SparseMatrix SparseMatrixR; typedef Eigen::SparseMatrix SparseMatrixC; // Non-symmetric matrix with zero elements Eigen::MatrixXf mat(5, 6); mat << 0, 3, 0, 0, 0, 11, 22, 0, 0, 0, 17, 11, 7, 5, 0, 1, 0, 11, 0, 0, 0, 0, 0, 11, 0, 0, 14, 0, 8, 11; m.def("double_col", &double_col); m.def("double_row", &double_row); m.def("double_mat_cm", &double_mat_cm); m.def("double_mat_rm", &double_mat_rm); m.def("fixed_r", [mat]() -> FixedMatrixR { return FixedMatrixR(mat); }); m.def("fixed_c", [mat]() -> FixedMatrixC { return FixedMatrixC(mat); }); m.def("fixed_passthrough_r", [](const FixedMatrixR &m) -> FixedMatrixR { return m; }); m.def("fixed_passthrough_c", [](const FixedMatrixC &m) -> FixedMatrixC { return m; }); m.def("dense_r", [mat]() -> DenseMatrixR { return DenseMatrixR(mat); }); m.def("dense_c", [mat]() -> DenseMatrixC { return DenseMatrixC(mat); }); m.def("dense_passthrough_r", [](const DenseMatrixR &m) -> DenseMatrixR { return m; }); m.def("dense_passthrough_c", [](const DenseMatrixC &m) -> DenseMatrixC { return m; }); m.def("sparse_r", [mat]() -> SparseMatrixR { return Eigen::SparseView(mat); }); m.def("sparse_c", [mat]() -> SparseMatrixC { return Eigen::SparseView(mat); }); m.def("sparse_passthrough_r", [](const SparseMatrixR &m) -> SparseMatrixR { return m; }); m.def("sparse_passthrough_c", [](const SparseMatrixC &m) -> SparseMatrixC { return m; }); }