1 /* mpf_mul_ui -- Multiply a float and an unsigned integer.
3 Copyright (C) 1993, 1994, 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 mpf_mul_ui (mpf_ptr r, mpf_srcptr u, unsigned long int v)
38 mp_size_t prec = r->_mp_prec;
54 /* Since we can do it at almost no cost, remove zero limbs at low end of
60 if (size == 0 || v == 0)
63 r->_mp_exp = 0; /* ??? */
67 cy_limb = mpn_mul_1 (rp, up, size, (mp_limb_t) v);
69 cy_limb = cy_limb != 0;
70 r->_mp_exp = u->_mp_exp + cy_limb;
72 r->_mp_size = usize >= 0 ? size : -size;