45 lines
2.5 KiB
C
45 lines
2.5 KiB
C
/*
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* Copyright 2015 Kevin M Greenan
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY
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* THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* vi: set noai tw=79 ts=4 sw=4:
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*/
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int* create_non_systematic_vand_matrix(int k, int m);
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void free_systematic_matrix(int *matrix);
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int* make_systematic_matrix(int k, int m);
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int is_missing(int *missing_idxs, int index_to_check);
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int gaussj_inversion(int *matrix, int *inverse, int n);
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int get_non_zero_diagonal(int *matrix, int row, int num_rows, int num_cols);
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int rs_galois_div(int x, int y);
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int rs_galois_inverse(int x);
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int rs_galois_mult(int x, int y);
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void init_liberasurecode_rs_vand(int k, int m);
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void deinit_liberasurecode_rs_vand();
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void print_matrix(int *matrix, int rows, int cols);
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void square_matrix_multiply(int *m1, int *m2, int *prod, int n);
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int create_decoding_matrix(int *gen_matrix, int *dec_matrix, int *missing_idxs, int k, int m);
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int is_identity_matrix(int *matrix, int n);
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int liberasurecode_rs_vand_encode(int *generator_matrix, char **data, char **parity, int k, int m, int blocksize);
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int liberasurecode_rs_vand_decode(int *generator_matrix, char **data, char **parity, int k, int m, int *missing, int blocksize, int rebuild_parity);
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int liberasurecode_rs_vand_reconstruct(int *generator_matrix, char **data, char **parity, int k, int m, int *missing, int destination_idx, int blocksize);
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