diff options
Diffstat (limited to 'TOOLS/compare.c')
-rw-r--r-- | TOOLS/compare.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/TOOLS/compare.c b/TOOLS/compare.c deleted file mode 100644 index 8a48bc8255..0000000000 --- a/TOOLS/compare.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Simple file compare program, it finds the number of rounding errors - * and dies if there is too large an error ( ABS(a-b)>1 ). - * - * copyright (c) 2001 Michael Niedermayer - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> - -// FIXME: No checks but it is just for debugging so who cares ;) - -int main(int argc, char **argv) -{ - FILE *f0, *f1; - int dif=0; - - if(argc!=3) - { - printf("compare <file1> <file2>\n"); - exit(2); - } - - f0= fopen(argv[1], "rb"); - f1= fopen(argv[2], "rb"); - - for(;;) - { - short c0; - short c1; - int d; - - int e0= fread(&c0, 2, 1, f0); - int e1= fread(&c1, 2, 1, f1); - - d=c0-c1; - if(e0==0 && e1==0) break; - if(e0==0 || e1==0) - { - printf("FATAL error, files have different size!\n"); - exit(1); - } - - if(d<0) d=-d; // ABS - if(d>1) - { - printf("FATAL error, too large a difference found (%d)!\n", d); - exit(1); - } - - if(d) dif++; - } - - fclose(f0); - fclose(f1); - - printf("%d (+/-1)differences found\n", dif); - exit(0); -} |