tests/tests2/132_bound_test.c

   1 #include <stdio.h>
   2 #include <float.h>
   3
   4 union ieee_double_extract
   5 {
   6     struct {
   7         unsigned int manl:32;
   8         unsigned int manh:20;
   9         unsigned int exp:11;
  10         unsigned int sig:1;
  11     } s;
  12     double d;
  13 };
  14
  15 double scale(double d)
  16 {
  17     union ieee_double_extract x;
  18
  19     x.d = d;
  20     x.d *= 1000;
  21     return x.d;
  22 }
  23
  24 int
  25 main(void)
  26 {
  27     printf("%g\n", scale(42));
  28     return 0;
  29 }