mirror of
https://github.com/pybind/pybind11.git
synced 2024-11-25 22:52:01 +00:00
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
|
|
example/eigen.cpp -- automatic conversion of Eigen types
|
|
|
|
Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
|
|
|
|
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 <pybind11/eigen.h>
|
|
|
|
void init_eigen(py::module &m) {
|
|
typedef Eigen::Matrix<float, 5, 6, Eigen::RowMajor> FixedMatrixR;
|
|
typedef Eigen::Matrix<float, 5, 6> FixedMatrixC;
|
|
typedef Eigen::Matrix<float, Eigen::Dynamic, Eigen::Dynamic, Eigen::RowMajor> DenseMatrixR;
|
|
typedef Eigen::Matrix<float, Eigen::Dynamic, Eigen::Dynamic> DenseMatrixC;
|
|
typedef Eigen::SparseMatrix<float, Eigen::RowMajor> SparseMatrixR;
|
|
typedef Eigen::SparseMatrix<float> 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("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<Eigen::MatrixXf>(mat);
|
|
});
|
|
|
|
m.def("sparse_c", [mat]() -> SparseMatrixC {
|
|
return Eigen::SparseView<Eigen::MatrixXf>(mat);
|
|
});
|
|
|
|
m.def("sparse_passthrough_r", [](const SparseMatrixR &m) -> SparseMatrixR {
|
|
return m;
|
|
});
|
|
|
|
m.def("sparse_passthrough_c", [](const SparseMatrixC &m) -> SparseMatrixC {
|
|
return m;
|
|
});
|
|
}
|