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 "-mvsx -O2" } */
   5 /* { dg-additional-options "-mdejagnu-cpu=power9" { target { ! has_arch_pwr9 } } } */
   6
   7 #define __STDC_WANT_IEC_60559_TYPES_EXT__ 1
   8 #define __STDC_WANT_IEC_60559_FUNCS_EXT__ 1
   9
  10 #include <math.h>
  11 #include <stdlib.h>
  12 #include <stddef.h>
  13
  14 extern _Float128 roundf128 (_Float128);
  15 extern _Float128 floorf128 (_Float128);
  16 extern _Float128 ceilf128  (_Float128);
  17 extern _Float128 truncf128 (_Float128);
  18
  19 static const struct {
  20   _Float128 value;
  21   _Float128 exp_round;
  22   _Float128 exp_floor;
  23   _Float128 exp_ceil;
  24   _Float128 exp_trunc;
  25 } a[] = {
  26   { -2.0Q, -2.0Q, -2.0Q, -2.0Q, -2.0Q },
  27   { -1.7Q, -2.0Q, -2.0Q, -1.0Q, -1.0Q },
  28   { -1.5Q, -2.0Q, -2.0Q, -1.0Q, -1.0Q },
  29   { -1.3Q, -1.0Q, -2.0Q, -1.0Q, -1.0Q },
  30   { +0.0Q, +0.0Q, +0.0Q, +0.0Q, +0.0Q },
  31   { +1.3Q, +1.0Q, +1.0Q, +2.0Q, +1.0Q },
  32   { +1.5Q, +2.0Q, +1.0Q, +2.0Q, +1.0Q },
  33   { +1.7Q, +2.0Q, +1.0Q, +2.0Q, +1.0Q },
  34   { +2.0Q, +2.0Q, +2.0Q, +2.0Q, +2.0Q }
  35 };
  36
  37 int
  38 main (void)
  39 {
  40   size_t i;
  41   _Float128 v;
  42
  43   for (i = 0; i < sizeof (a) / sizeof (a[0]); i++)
  44     {
  45       v = a[i].value;
  46       if (roundf128 (v) != a[i].exp_round)
  47         abort ();
  48
  49       if (floorf128 (v) != a[i].exp_floor)
  50         abort ();
  51
  52       if (ceilf128 (v) != a[i].exp_ceil)
  53         abort ();
  54
  55       if (truncf128 (v) != a[i].exp_trunc)
  56         abort ();
  57     }
  58
  59   return 0;
  60 }