1  /* Test INFINITY macro.  Test when infinities supported.  */
       2  /* { dg-do run } */
       3  /* { dg-options "-std=c2x -pedantic-errors" } */
       4  /* { dg-add-options ieee } */
       5  /* { dg-require-effective-target inff } */
       6  
       7  #include <float.h>
       8  
       9  #ifndef INFINITY
      10  #error "INFINITY undefined"
      11  #endif
      12  
      13  volatile float f = INFINITY;
      14  
      15  extern void abort (void);
      16  extern void exit (int);
      17  
      18  int
      19  main (void)
      20  {
      21    (void) _Generic (INFINITY, float : 0);
      22    if (!(INFINITY > FLT_MAX))
      23      abort ();
      24    if (!(f > FLT_MAX))
      25      abort ();
      26    exit (0);
      27  }