glibc/stdlib/dbl2mpn.c
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C

/* Copyright (C) 1993-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <gmp.h>
#include "gmp-impl.h"
/* Convert a `double' to a multi-precision integer representing the
significand scaled up by the highest possible number of significant bits
of fraction (DBL_MANT_DIG), and an integral power of two (MPN frexp). */
mp_size_t
__mpn_extract_double (mp_ptr res_ptr, mp_size_t size,
int *expt, int *is_neg,
double value)
{
#error "__mpn_extract_double is not implemented for this floating point format"
}