home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) Jonty Barnes and Jason Hutchens, 2001.
- * All rights reserved worldwide.
- *
- * This software is provided "as is" without express or implied
- * warranties. You may freely copy and compile this source into
- * applications you distribute provided that the copyright text
- * below is included in the resulting source code, for example:
- * "Portions Copyright (C) Jonty Barnes and Jason Hutchens, 2001"
- */
-
- // C source of a character-level 1st-order Markov model.
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <time.h>
- int main(int argc,char** argv) {
- int C[258][258],context,thresh,c=256,i,j;
- FILE* file;
- for(i=0; i<258; ++i)
- for(j=0; j<258; ++j)
- C[i][j]=0;
- if(argc!=2) return 1;
- file=fopen(argv[1],"r");
- if(!file) return 2;
- while(!feof(file)) {
- context=c; c=fgetc(file);
- if(c==-1) c=256;
- ++C[context][c]; ++C[context][257];
- }
- fclose(file);
- srand(time(NULL));
- do {
- context=c; c=-1;
- thresh=rand()%C[context][257];
- do {
- thresh-=C[context][++c];
- } while(thresh>=0);
- fprintf(stdout,"%c",(char)c);
- } while(c!=256);
- return 0;
- }
-
-