gcc/testsuite/gcc.dg/torture/builtin-round-roundevenf128.c

   1 /* { dg-do link } */
   2 /* { dg-add-options float128 } */
   3 /* { dg-require-effective-target float128 } */
   4
   5 extern int link_error (int);
   6
   7 #define TEST(FN, VALUE, RESULT) \
   8   if (__builtin_##FN##f128 (VALUE) != RESULT) link_error (__LINE__);
   9
  10 int
  11 main (void)
  12 {
  13   TEST(roundeven,  (0x1p64+0.5f128), (0x1p64f128));
  14   TEST(roundeven,  (0x1p63+0.5f128), (0x1p63f128));
  15   TEST(roundeven,  (0x1p63-0.5f128), (0x1p63f128));
  16   TEST(roundeven,  (0x1p64-0.5f128), (0x1p64f128));
  17   TEST(roundeven,  (0x1p64+0.501f128), (0x1p64+1.0f128));
  18   TEST(roundeven,  (0x1.C00000000000039A5653p1f128), (0x1p2f128))
  19   return 0;
  20 }
  21