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86 lines
4.0 KiB
C
86 lines
4.0 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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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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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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{
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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,
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const struct C_MatrixXd *src);
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void MatrixXd_copy_map (struct C_MatrixXd *dst,
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const struct C_Map_MatrixXd *src);
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void MatrixXd_set_coeff (struct C_MatrixXd *m,
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int i, int j, double coeff);
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double MatrixXd_get_coeff (const struct C_MatrixXd *m,
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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,
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const struct C_MatrixXd *m2,
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struct C_MatrixXd *result);
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void MatrixXd_multiply (const struct C_MatrixXd *m1,
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const struct C_MatrixXd *m2,
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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,
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const struct C_Map_MatrixXd *src);
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void Map_MatrixXd_copy_matrix(struct C_Map_MatrixXd *dst,
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const struct C_MatrixXd *src);
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void Map_MatrixXd_set_coeff (struct C_Map_MatrixXd *m,
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int i, int j, double coeff);
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double Map_MatrixXd_get_coeff (const struct C_Map_MatrixXd *m,
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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,
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const struct C_Map_MatrixXd *m2,
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struct C_Map_MatrixXd *result);
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void Map_MatrixXd_multiply (const struct C_Map_MatrixXd *m1,
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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 |