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      1 /* __gmpfr_longdouble_volatile -- support for LONGDOUBLE_NAN_ACTION.
      2 
      3    THE FUNCTIONS IN THIS FILE ARE FOR INTERNAL USE ONLY.  THEY'RE ALMOST
      4    CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR COMPLETELY IN
      5    FUTURE MPFR RELEASES.
      6 
      7 Copyright 2003-2004, 2006-2023 Free Software Foundation, Inc.
      8 Contributed by the AriC and Caramba projects, INRIA.
      9 
     10 This file is part of the GNU MPFR Library.
     11 
     12 The GNU MPFR Library is free software; you can redistribute it and/or modify
     13 it under the terms of the GNU Lesser General Public License as published by
     14 the Free Software Foundation; either version 3 of the License, or (at your
     15 option) any later version.
     16 
     17 The GNU MPFR Library is distributed in the hope that it will be useful, but
     18 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
     19 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
     20 License for more details.
     21 
     22 You should have received a copy of the GNU Lesser General Public License
     23 along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
     24 https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
     25 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
     26 
     27 #include "mpfr-impl.h"
     28 
     29 /* Only needed sometimes. */
     30 #ifdef WANT_GMPFR_LONGDOUBLE_VOLATILE
     31 long double
     32 __gmpfr_longdouble_volatile (long double x)
     33 {
     34   return x;
     35 }
     36 #endif
     37