dbl2mpn.c

来自「一个C源代码分析器」· C语言 代码 · 共 33 行

/* Copyright (C) 1993 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#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"
}