+++ /dev/null
-/* make_bitmap.cpp
- * Copyright (C) 2008, Francisco Claude, all rights reserved.
- *
- * make_bitmap
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include <iostream>
-#include <cstring>
-#include <cstdlib>
-#include <basics.h>
-#include <cmath>
-
-using namespace std;
-
-int main(int argc, char ** argv) {
- if(argc!=4) {
- cout << "usage: " << argv[0] << " <bitmap> <length> <ones>" << endl;
- return 0;
- }
- char * fname = argv[1];
- uint len = atoi(argv[2]);
- uint ones = atoi(argv[3]);
- uint * bm = new uint[uint_len(len,1)];
- for(uint i=0;i<uint_len(len,1);i++)
- bm[i] = 0;
- for(uint i=0;i<ones;i++) {
- while(true) {
- uint p = rand()%len;
- if(!bitget(bm,p)) {
- bitset(bm,p);
- break;
- }
- }
- }
- FILE * fp = fopen(fname,"w");
- uint l = fwrite(&len,sizeof(uint),1,fp);
- l += fwrite(bm,sizeof(uint),uint_len(len,1),fp);
- fclose(fp);
- delete [] bm;
- return 0;
-}
-