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Diffstat (limited to 'src/c/jerasure/Examples/reed_sol_02.c')
-rw-r--r-- | src/c/jerasure/Examples/reed_sol_02.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/src/c/jerasure/Examples/reed_sol_02.c b/src/c/jerasure/Examples/reed_sol_02.c deleted file mode 100644 index aca446b..0000000 --- a/src/c/jerasure/Examples/reed_sol_02.c +++ /dev/null @@ -1,104 +0,0 @@ -/* * - * Copyright (c) 2014, James S. Plank and Kevin Greenan - * All rights reserved. - * - * Jerasure - A C/C++ Library for a Variety of Reed-Solomon and RAID-6 Erasure - * Coding Techniques - * - * Revision 2.0: Galois Field backend now links to GF-Complete - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * - Neither the name of the University of Tennessee nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/* Jerasure's authors: - - Revision 2.x - 2014: James S. Plank and Kevin M. Greenan. - Revision 1.2 - 2008: James S. Plank, Scott Simmerman and Catherine D. Schuman. - Revision 1.0 - 2007: James S. Plank. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "jerasure.h" -#include "reed_sol.h" - -#define talloc(type, num) (type *) malloc(sizeof(type)*(num)) - -static void usage(char *s) -{ - fprintf(stderr, "usage: reed_sol_02 k m w - Vandermonde matrices in GF(2^w).\n"); - fprintf(stderr, " \n"); - fprintf(stderr, " k+m must be <= 2^w. This simply prints out the \n"); - fprintf(stderr, " Vandermonde matrix in GF(2^w), and then the generator\n"); - fprintf(stderr, " matrix that is constructed from it. See [Plank-Ding-05] for\n"); - fprintf(stderr, " information on how this construction proceeds\n"); - fprintf(stderr, " \n"); - fprintf(stderr, "This demonstrates: reed_sol_extended_vandermonde_matrix()\n"); - fprintf(stderr, " reed_sol_big_vandermonde_coding_matrix()\n"); - fprintf(stderr, " reed_sol_vandermonde_coding_matrix()\n"); - fprintf(stderr, " jerasure_print_matrix()\n"); - if (s != NULL) fprintf(stderr, "%s\n", s); - exit(1); -} - -int main(int argc, char **argv) -{ - int k, w, m; - int *matrix; - - if (argc != 4) usage(NULL); - if (sscanf(argv[1], "%d", &k) == 0 || k <= 0) usage("Bad k"); - if (sscanf(argv[2], "%d", &m) == 0 || m <= 0) usage("Bad m"); - if (sscanf(argv[3], "%d", &w) == 0 || w <= 0 || w > 32) usage("Bad w"); - if (w <= 30 && k + m > (1 << w)) usage("k + m is too big"); - - matrix = reed_sol_extended_vandermonde_matrix(k+m, k, w); - - printf("<HTML><TITLE>reed_sol_02 %d %d %d</title>\n", k, m, w); - printf("<h3>reed_sol_02 %d %d %d</h3>\n", k, m, w); - printf("<pre>\n"); - printf("Extended Vandermonde Matrix:\n\n"); - jerasure_print_matrix(matrix, k+m, k, w); - printf("\n"); - - matrix = reed_sol_big_vandermonde_distribution_matrix(k+m, k, w); - printf("Vandermonde Generator Matrix (G^T):\n\n"); - jerasure_print_matrix(matrix, k+m, k, w); - printf("\n"); - - matrix = reed_sol_vandermonde_coding_matrix(k, m, w); - printf("Vandermonde Coding Matrix:\n\n"); - jerasure_print_matrix(matrix, m, k, w); - printf("\n"); - - - return 0; -} |