1 /* double mpf_get_d_2exp (signed long int *exp, mpf_t src).
3 Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
26 mpf_get_d_2exp (signed long int *exp2, mpf_srcptr src)
28 mp_size_t size, abs_size;
34 if (UNLIKELY (size == 0))
41 abs_size = ABS (size);
42 count_leading_zeros (cnt, ptr[abs_size - 1]);
45 exp = EXP(src) * GMP_NUMB_BITS - cnt;
48 return mpn_get_d (ptr, abs_size, (mp_size_t) 0,
49 (long) - (abs_size * GMP_NUMB_BITS - cnt));