1 /* mpz_set_f (dest_integer, src_float) -- Assign DEST_INTEGER from SRC_FLOAT.
3 Copyright 1996, 2001 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/. */
25 mpz_set_f (mpz_ptr w, mpf_srcptr u)
31 /* abs(u)<1 truncates to zero */
44 SIZ(w) = (size >= 0 ? exp : -exp);
49 /* pad with low zeros to get a total "exp" many limbs */
50 mp_size_t zeros = exp - size;
56 /* exp<=size, trucate to the high "exp" many limbs */
61 MPN_COPY (wp, up, size);