1 /* mpz_set_f (dest_integer, src_float) -- Assign DEST_INTEGER from SRC_FLOAT.
3 Copyright (C) 1996 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 Library General Public License as published by
9 the Free Software Foundation; either version 2 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 Library General Public
15 License for more details.
17 You should have received a copy of the GNU Library General Public License
18 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 MA 02111-1307, USA. */
27 mpz_set_f (mpz_ptr w, mpf_srcptr u)
35 mp_size_t usize, size;
42 if (w->_mp_alloc < exp)
43 _mpz_realloc (w, exp);
55 MPN_COPY (wp, up + size - exp, exp);
59 MPN_ZERO (wp, exp - size);
60 MPN_COPY (wp + exp - size, up, size);
63 w->_mp_size = usize >= 0 ? exp : -exp;