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author | Kevin Ryde <user42@zip.com.au> | 2000-09-03 01:53:07 +0200 |
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committer | Kevin Ryde <user42@zip.com.au> | 2000-09-03 01:53:07 +0200 |
commit | 1e2e31314305f2f943e06e3877ff62236878a6da (patch) | |
tree | d3a6cec3c7e3b212afc2fafe5ffeb61216fb409f /mpz/add_ui.c | |
parent | f3425486baebbc00f3f92edef6bc5a9106121091 (diff) | |
download | gmp-1e2e31314305f2f943e06e3877ff62236878a6da.tar.gz |
* mpz/aors_ui.c: New file merging add_ui.c and sub_ui.c, no object
code changes.
* mpz/{add_ui.c,sub_ui.c}: Remove files.
Diffstat (limited to 'mpz/add_ui.c')
-rw-r--r-- | mpz/add_ui.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/mpz/add_ui.c b/mpz/add_ui.c deleted file mode 100644 index 28dbd71f4..000000000 --- a/mpz/add_ui.c +++ /dev/null @@ -1,84 +0,0 @@ -/* mpz_add_ui -- Add an mpz_t and an unsigned one-word integer. - -Copyright (C) 1991, 1993, 1994, 1996, 1999 Free Software Foundation, Inc. - -This file is part of the GNU MP Library. - -The GNU MP Library is free software; you can redistribute it and/or modify -it under the terms of the GNU Lesser General Public License as published by -the Free Software Foundation; either version 2.1 of the License, or (at your -option) any later version. - -The GNU MP Library is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public -License for more details. - -You should have received a copy of the GNU Lesser General Public License -along with the GNU MP Library; see the file COPYING.LIB. If not, write to -the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -#include "gmp.h" -#include "gmp-impl.h" - -void -#if __STDC__ -mpz_add_ui (mpz_ptr w, mpz_srcptr u, unsigned long int v) -#else -mpz_add_ui (w, u, v) - mpz_ptr w; - mpz_srcptr u; - unsigned long int v; -#endif -{ - mp_srcptr up; - mp_ptr wp; - mp_size_t usize, wsize; - mp_size_t abs_usize; - - usize = u->_mp_size; - abs_usize = ABS (usize); - - /* If not space for W (and possible carry), increase space. */ - wsize = abs_usize + 1; - if (w->_mp_alloc < wsize) - _mpz_realloc (w, wsize); - - /* These must be after realloc (U may be the same as W). */ - up = u->_mp_d; - wp = w->_mp_d; - - if (abs_usize == 0) - { - wp[0] = v; - w->_mp_size = v != 0; - return; - } - - if (usize >= 0) - { - mp_limb_t cy; - cy = mpn_add_1 (wp, up, abs_usize, (mp_limb_t) v); - wp[abs_usize] = cy; - wsize = abs_usize + cy; - } - else - { - /* The signs are different. Need exact comparison to determine - which operand to subtract from which. */ - if (abs_usize == 1 && up[0] < v) - { - wp[0] = v - up[0]; - wsize = 1; - } - else - { - mpn_sub_1 (wp, up, abs_usize, (mp_limb_t) v); - /* Size can decrease with at most one limb. */ - wsize = -(abs_usize - (wp[abs_usize - 1] == 0)); - } - } - - w->_mp_size = wsize; -} |