#define CMP(a,b) ((a==b)?0:(a<b)?-1:1)
#define uint32 int
#define ARRAY_SIZE 100

int my_array[ARRAY_SIZE];

void ArraySort(int This[], uint32 the_len)
{
  /* selection sort */

  uint32 indx;
  uint32 indx2;
  uint32 large_pos;
  int temp;
  int large;

  if (the_len <= 1)
    return;

  for (indx = the_len - 1; indx > 0; --indx)
  {
    /* find the largest number, then put it at the end of the array */
    large = This[0];
    large_pos = 0;

    for (indx2 = 1; indx2 <= indx; ++indx2)
    {
      temp = This[indx2];
      if (CMP(temp ,large) > 0)
      {
        large = temp;
        large_pos = indx2;
      }
    }
    This[large_pos] = This[indx];
    This[indx] = large;
  }
}

void fill_array()
{
  int indx;

  for (indx=0; indx < ARRAY_SIZE; ++indx)
  {
    my_array[indx] = rand();
  }
  /* my_array[ARRAY_SIZE - 1] = ARRAY_SIZE / 3; */
}

int main() {
  int indx;

  fill_array();
  ArraySort(my_array, ARRAY_SIZE);
  for (indx=1; indx < ARRAY_SIZE; ++indx) {
    if (my_array[indx - 1] > my_array[indx]) {
      printf("bad sort\n");
      return(1);
    } else {
      printf("%d, ",my_array[indx-1]);
    }
  }
  return(0);
}
 
 
 

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