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

#define NB_ELEMENTS 7

static int compar_short(const void *p1, const void *p2) {
  short s1 = *((short *)p1);
  short s2 = *((short *)p2);
  return (int)(s1 - s2);
}

static int compar_double(const void *p1, const void *p2) {
  double s1 = *((double *)p1);
  double s2 = *((double *)p2);
  if(s1 < s2)
    return -1;
  else if(s1 > s2)
    return 1;
  else
    return 0;
}

void print_tab_short(short tab[], size_t nmemb) {
  int i;
  for (i = 0 ; i < nmemb ; i++) {
    printf("tab_short[%d] = %d\n", i, tab[i]);
  }
}

void print_tab_double(double tab[], size_t nmemb) {
  int i;
  for (i = 0 ; i < nmemb ; i++) {
    printf("tab_double[%d] = %lf\n", i, tab[i]);
  }
}

int main(){
  short tab_short[NB_ELEMENTS] = {6, 5, 4, 3, 2, 1, 0};
  double tab_double[NB_ELEMENTS] = {7.1, 6.2, 5.3, 4.4, 3.5, 2.6, 1.7};

  printf("tab_short avant tri\n");
  print_tab_short(tab_short, NB_ELEMENTS);
  qsort(tab_short, NB_ELEMENTS, sizeof(tab_short[0]), compar_short);
  printf("tab_short après tri\n");
  print_tab_short(tab_short, NB_ELEMENTS);

  printf("tab_double avant tri\n");
  print_tab_double(tab_double, NB_ELEMENTS);
  qsort(tab_double, NB_ELEMENTS, sizeof(tab_double[0]), compar_double);
  printf("tab_double après tri\n");
  print_tab_double(tab_double, NB_ELEMENTS);

  return EXIT_SUCCESS;
}