1 | // This file is part of Eigen, a lightweight C++ template library
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2 | // for linear algebra.
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3 | //
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4 | // Copyright (C) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
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5 | //
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6 | // This Source Code Form is subject to the terms of the Mozilla
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7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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9 |
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10 | // This is a pure C header, no C++ here.
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11 | // The functions declared here will be implemented in C++ but
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12 | // we don't have to know, because thanks to the extern "C" syntax,
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13 | // they will be compiled to C object code.
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14 |
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15 | #ifdef __cplusplus
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16 | extern "C"
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17 | {
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18 | #endif
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19 |
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20 | // just dummy empty structs to give different pointer types,
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21 | // instead of using void* which would be type unsafe
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22 | struct C_MatrixXd {};
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23 | struct C_Map_MatrixXd {};
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24 |
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25 | // the C_MatrixXd class, wraps some of the functionality
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26 | // of Eigen::MatrixXd.
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27 | struct C_MatrixXd* MatrixXd_new(int rows, int cols);
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28 | void MatrixXd_delete (struct C_MatrixXd *m);
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29 | double* MatrixXd_data (struct C_MatrixXd *m);
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30 | void MatrixXd_set_zero (struct C_MatrixXd *m);
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31 | void MatrixXd_resize (struct C_MatrixXd *m, int rows, int cols);
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32 | void MatrixXd_copy (struct C_MatrixXd *dst,
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33 | const struct C_MatrixXd *src);
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34 | void MatrixXd_copy_map (struct C_MatrixXd *dst,
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35 | const struct C_Map_MatrixXd *src);
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36 | void MatrixXd_set_coeff (struct C_MatrixXd *m,
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37 | int i, int j, double coeff);
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38 | double MatrixXd_get_coeff (const struct C_MatrixXd *m,
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39 | int i, int j);
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40 | void MatrixXd_print (const struct C_MatrixXd *m);
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41 | void MatrixXd_add (const struct C_MatrixXd *m1,
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42 | const struct C_MatrixXd *m2,
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43 | struct C_MatrixXd *result);
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44 | void MatrixXd_multiply (const struct C_MatrixXd *m1,
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45 | const struct C_MatrixXd *m2,
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46 | struct C_MatrixXd *result);
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47 |
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48 | // the C_Map_MatrixXd class, wraps some of the functionality
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49 | // of Eigen::Map<MatrixXd>
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50 | struct C_Map_MatrixXd* Map_MatrixXd_new(double *array, int rows, int cols);
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51 | void Map_MatrixXd_delete (struct C_Map_MatrixXd *m);
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52 | void Map_MatrixXd_set_zero (struct C_Map_MatrixXd *m);
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53 | void Map_MatrixXd_copy (struct C_Map_MatrixXd *dst,
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54 | const struct C_Map_MatrixXd *src);
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55 | void Map_MatrixXd_copy_matrix(struct C_Map_MatrixXd *dst,
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56 | const struct C_MatrixXd *src);
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57 | void Map_MatrixXd_set_coeff (struct C_Map_MatrixXd *m,
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58 | int i, int j, double coeff);
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59 | double Map_MatrixXd_get_coeff (const struct C_Map_MatrixXd *m,
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60 | int i, int j);
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61 | void Map_MatrixXd_print (const struct C_Map_MatrixXd *m);
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62 | void Map_MatrixXd_add (const struct C_Map_MatrixXd *m1,
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63 | const struct C_Map_MatrixXd *m2,
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64 | struct C_Map_MatrixXd *result);
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65 | void Map_MatrixXd_multiply (const struct C_Map_MatrixXd *m1,
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66 | const struct C_Map_MatrixXd *m2,
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67 | struct C_Map_MatrixXd *result);
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68 |
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69 | #ifdef __cplusplus
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70 | } // end extern "C"
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71 | #endif |
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