gcc/testsuite/gcc.dg/fixuns-trunc-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-std=c99" } */
   3
   4 unsigned long foo(double d)
   5 {
   6   return (unsigned long) d;
   7 }
   8
   9 extern void abort(void);
  10
  11 int main(void)
  12 {
  13   double d;
  14   unsigned long l;
  15
  16 #ifdef __LP64__
  17   d = 9223372036854775808.7;
  18   l = 1LL << 63;
  19
  20   if (foo(d) != l)
  21     abort();
  22 #endif
  23
  24   d = 122485.2;
  25   l = 122485;
  26
  27   if (foo(d) != l)
  28     abort();
  29
  30   return 0;
  31 }