[136] | 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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