gcc/testsuite/gcc.dg/pr105414.c

   1 /* { dg-do run { target { *-*-linux* *-*-gnu* } } } */
   2 /* { dg-options "-O1 -fsignaling-nans -lm" } */
   3 /* { dg-add-options ieee } */
   4 /* { dg-require-effective-target issignaling } */
   5
   6
   7 #define _GNU_SOURCE
   8 #include <stdio.h>
   9 #include <math.h>
  10
  11 int main()
  12 {
  13   double a = __builtin_nans ("");
  14
  15   if (issignaling (fmin (a, a)))
  16     __builtin_abort ();
  17
  18   if (issignaling (fmax (a, a)))
  19     __builtin_abort ();
  20
  21   double b = __builtin_nan ("");
  22
  23   if (issignaling (fmin (a, b)))
  24     __builtin_abort ();
  25
  26   if (issignaling (fmax (a, b)))
  27     __builtin_abort ();
  28
  29   return 0;
  30 }