56 lines
2.6 KiB
C
56 lines
2.6 KiB
C
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// This is a pure C header, no C++ here.
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// The functions declared here will be implemented in C++ but
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// we don't have to know, because thanks to the extern "C" syntax,
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// they will be compiled to C object code.
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#ifdef __cplusplus
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extern "C" {
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#endif
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// just dummy empty structs to give different pointer types,
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// instead of using void* which would be type unsafe
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struct C_MatrixXd {};
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struct C_Map_MatrixXd {};
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// the C_MatrixXd class, wraps some of the functionality
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// of Eigen::MatrixXd.
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struct C_MatrixXd *MatrixXd_new(int rows, int cols);
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void MatrixXd_delete(struct C_MatrixXd *m);
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double *MatrixXd_data(struct C_MatrixXd *m);
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void MatrixXd_set_zero(struct C_MatrixXd *m);
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void MatrixXd_resize(struct C_MatrixXd *m, int rows, int cols);
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void MatrixXd_copy(struct C_MatrixXd *dst, const struct C_MatrixXd *src);
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void MatrixXd_copy_map(struct C_MatrixXd *dst, const struct C_Map_MatrixXd *src);
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void MatrixXd_set_coeff(struct C_MatrixXd *m, int i, int j, double coeff);
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double MatrixXd_get_coeff(const struct C_MatrixXd *m, int i, int j);
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void MatrixXd_print(const struct C_MatrixXd *m);
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void MatrixXd_add(const struct C_MatrixXd *m1, const struct C_MatrixXd *m2, struct C_MatrixXd *result);
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void MatrixXd_multiply(const struct C_MatrixXd *m1, const struct C_MatrixXd *m2, struct C_MatrixXd *result);
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// the C_Map_MatrixXd class, wraps some of the functionality
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// of Eigen::Map<MatrixXd>
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struct C_Map_MatrixXd *Map_MatrixXd_new(double *array, int rows, int cols);
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void Map_MatrixXd_delete(struct C_Map_MatrixXd *m);
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void Map_MatrixXd_set_zero(struct C_Map_MatrixXd *m);
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void Map_MatrixXd_copy(struct C_Map_MatrixXd *dst, const struct C_Map_MatrixXd *src);
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void Map_MatrixXd_copy_matrix(struct C_Map_MatrixXd *dst, const struct C_MatrixXd *src);
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void Map_MatrixXd_set_coeff(struct C_Map_MatrixXd *m, int i, int j, double coeff);
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double Map_MatrixXd_get_coeff(const struct C_Map_MatrixXd *m, int i, int j);
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void Map_MatrixXd_print(const struct C_Map_MatrixXd *m);
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void Map_MatrixXd_add(const struct C_Map_MatrixXd *m1, const struct C_Map_MatrixXd *m2, struct C_Map_MatrixXd *result);
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void Map_MatrixXd_multiply(const struct C_Map_MatrixXd *m1, const struct C_Map_MatrixXd *m2,
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struct C_Map_MatrixXd *result);
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#ifdef __cplusplus
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} // end extern "C"
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#endif
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