gcc/testsuite/gcc.target/powerpc/float128-hw11.c

   1 /* { dg-do run { target lp64 } } */
   2 /* { dg-require-effective-target p9vector_hw } */
   3 /* { dg-require-effective-target float128 } */
   4 /* { dg-options "-mpower9-vector -O2" } */
   5
   6 #define __STDC_WANT_IEC_60559_TYPES_EXT__ 1
   7 #define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1
   8
   9 #include <math.h>
  10 #include <stdlib.h>
  11 #include <stddef.h>
  12
  13 extern _Float128 roundf128 (_Float128);
  14 extern _Float128 floorf128 (_Float128);
  15 extern _Float128 ceilf128  (_Float128);
  16 extern _Float128 truncf128 (_Float128);
  17
  18 static const struct {
  19   _Float128 value;
  20   _Float128 exp_round;
  21   _Float128 exp_floor;
  22   _Float128 exp_ceil;
  23   _Float128 exp_trunc;
  24 } a[] = {
  25   { -2.0Q, -2.0Q, -2.0Q, -2.0Q, -2.0Q },
  26   { -1.7Q, -2.0Q, -2.0Q, -1.0Q, -1.0Q },
  27   { -1.5Q, -2.0Q, -2.0Q, -1.0Q, -1.0Q },
  28   { -1.3Q, -1.0Q, -2.0Q, -1.0Q, -1.0Q },
  29   { +0.0Q, +0.0Q, +0.0Q, +0.0Q, +0.0Q },
  30   { +1.3Q, +1.0Q, +1.0Q, +2.0Q, +1.0Q },
  31   { +1.5Q, +2.0Q, +1.0Q, +2.0Q, +1.0Q },
  32   { +1.7Q, +2.0Q, +1.0Q, +2.0Q, +1.0Q },
  33   { +2.0Q, +2.0Q, +2.0Q, +2.0Q, +2.0Q }
  34 };
  35
  36 int
  37 main (void)
  38 {
  39   size_t i;
  40   _Float128 v;
  41
  42   for (i = 0; i < sizeof (a) / sizeof (a[0]); i++)
  43     {
  44       v = a[i].value;
  45       if (roundf128 (v) != a[i].exp_round)
  46         abort ();
  47
  48       if (floorf128 (v) != a[i].exp_floor)
  49         abort ();
  50
  51       if (ceilf128 (v) != a[i].exp_ceil)
  52         abort ();
  53
  54       if (truncf128 (v) != a[i].exp_trunc)
  55         abort ();
  56     }
  57
  58   return 0;
  59 }