sdcc/support/regression/tcc/110_average.c

   1 #include <stdio.h>
   2
   3 typedef struct
   4 {
   5     double average;
   6     int count;
   7 }
   8 stats_type;
   9
  10 static void
  11 testc (stats_type *s, long long data)
  12 {
  13     s->average = (s->average * s->count + data) / (s->count + 1);
  14     s->count++;
  15 }
  16
  17 int main (void)
  18 {
  19     stats_type s;
  20
  21     s.average = 0;
  22     s.count = 0;
  23     testc (&s, 10);
  24     testc (&s, 20);
  25     printf ("%g %d\n", s.average, s.count);
  26     return 0;
  27 }