1  /* Convert string for NaN payload to corresponding NaN.  Wide strings,
       2     long double.
       3     Copyright (C) 2015-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <math.h>
      21  
      22  /* This function is unused if long double and double have the same
      23     representation.  */
      24  #ifndef __NO_LONG_DOUBLE_MATH
      25  # include "../stdlib/strtod_nan_wide.h"
      26  # include <math-type-macros-ldouble.h>
      27  
      28  # define STRTOD_NAN __wcstold_nan
      29  # include "../stdlib/strtod_nan_main.c"
      30  #endif