gcc/testsuite/gcc.c-torture/execute/float-floor.c

   1
   2 #if(__SIZEOF_DOUBLE__==8)
   3 double d = 1024.0 - 1.0 / 32768.0;
   4 #else
   5 double d = 1024.0 - 1.0 / 16384.0;
   6 #endif
   7
   8 extern double floor(double);
   9 extern float floorf(float);
  10 extern void abort();
  11
  12 int main() {
  13
  14     double df = floor(d);
  15     float f1 = (float)floor(d);
  16
  17     if ((int)df != 1023 || (int)f1 != 1023)
  18       abort ();
  19
  20     return 0;
  21 }