1  #include "nldbl-compat.h"
       2  
       3  int
       4  attribute_hidden
       5  __isnanl (double x)
       6  {
       7    return isnan (x);
       8  }
       9  extern __typeof (__isnanl) isnanl attribute_hidden;
      10  weak_alias (__isnanl, isnanl)