1/* Copyright (C) 1993-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <gmp.h>
19#include "gmp-impl.h"
20
21/* Convert a `double' to a multi-precision integer representing the
22 significand scaled up by the highest possible number of significant bits
23 of fraction (DBL_MANT_DIG), and an integral power of two (MPN frexp). */
24
25mp_size_t
26__mpn_extract_double (mp_ptr res_ptr, mp_size_t size,
27 int *expt, int *is_neg,
28 double value)
29{
30#error "__mpn_extract_double is not implemented for this floating point format"
31}
32

source code of glibc/stdlib/dbl2mpn.c