/* Ecrire la matrice a dans le flux f */
CodeErr Mat_Fprintf(FILE *f,MatrixS a) {
  int i,j;
  /* debut du fichier */
  fseek(f, 0, SEEK_SET);

  for (i = 0; i < MAX; i++) {
    for (j = 0; j < MAX; j++) {
      fprintf(f,"%1.0f ", a[i][j]);
    }
    fputs("\n",f);
    fseek(f, 0, SEEK_END);
  }
  fclose(f);
}

/* Lecture dans le flux f de la matrice a */
CodeErr Mat_Fscanf(FILE *f, MatrixS a) {
  int i,j,x;
  /* debut du fichier */
  fseek(f, 0, SEEK_SET);
  for (i = 0; i < MAX; i++) {
    for (j = 0; j < MAX; j++) {
      fscanf(f,"%d",&x);
      printf("%d ",x);
      a[i][j] = x;
    }
  }
  for (i = 0; i < MAX; i++) {
    for (j = 0; j < MAX; j++) {
      printf("%1.0f ", a[i][j]);
    }
    printf("\n");
  }
  
}