1  /* Test C2x definition of LDBL_EPSILON.  */
       2  /* { dg-do run } */
       3  /* { dg-options "-std=c2x -pedantic-errors" } */
       4  
       5  #include <float.h>
       6  
       7  extern void abort (void);
       8  extern void exit (int);
       9  
      10  int
      11  main (void)
      12  {
      13    volatile long double x = 1.0L;
      14    for (int i = 0; i < LDBL_MANT_DIG - 1; i++)
      15      x /= 2;
      16    if (x != LDBL_EPSILON)
      17      abort ();
      18    exit (0);
      19  }