#include <stdio.h>
#include <memory.h>
#include <stdlib.h>

main(int argc, char** argv) {

  FILE* fp_ref = fopen(argv[1], "r");
  FILE* fp_hyp = fopen(argv[2], "r");

  char buf_ref[999];
  memset(buf_ref, 999, 0);
  char buf_hyp[999];
  memset(buf_hyp, 999, 0);

  int num_data = 0;
  int num_correct = 0;

  while (fgets(buf_ref, 999, fp_ref) != (char*)NULL) {
    num_data++;

    memset(buf_hyp, 999, 0);
    fgets(buf_hyp, 999, fp_hyp);

    int class_ref = atoi(buf_ref);
    int class_hyp = atoi(buf_hyp);
    
    if (class_ref == class_hyp) {
      num_correct++;
    }
    else {
      printf("error on token no. %ld: ref = %ld, hyp = %ld\n",
	     num_data, class_ref, class_hyp);
    }

    memset(buf_ref, 999, 0);
  }

  printf("(%ld correct out of %ld tokens; percent error = %7.2f%s)\n",
	 num_correct, num_data,
	 100 - (float)num_correct/(float)num_data*100,
	 "%");

  fclose(fp_ref);
  fclose(fp_hyp);

}