1 /* mpz_set_d(integer, val) -- Assign INTEGER with a double value VAL.
3 Copyright (C) 1995 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_d (mpz_ptr r, double d)
42 /* Handle small arguments quickly. */
43 if (d < MP_BASE_AS_DOUBLE)
48 SIZ(r) = negative ? -(tmp != 0) : (tmp != 0);
52 size = __gmp_extract_double (tp, d);
55 _mpz_realloc (r, size);
59 #if BITS_PER_MP_LIMB == 32
63 MPN_ZERO (rp, size - 3);
81 MPN_ZERO (rp, size - 2);
92 SIZ(r) = negative ? -size : size;