diff options
Diffstat (limited to 'rts/gmp/mpz/tdiv_q_2exp.c')
-rw-r--r-- | rts/gmp/mpz/tdiv_q_2exp.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/rts/gmp/mpz/tdiv_q_2exp.c b/rts/gmp/mpz/tdiv_q_2exp.c deleted file mode 100644 index 03d1e01f89..0000000000 --- a/rts/gmp/mpz/tdiv_q_2exp.c +++ /dev/null @@ -1,68 +0,0 @@ -/* mpz_tdiv_q_2exp -- Divide an integer by 2**CNT. Round the quotient - towards -infinity. - -Copyright (C) 1991, 1993, 1994, 1996 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_tdiv_q_2exp (mpz_ptr w, mpz_srcptr u, unsigned long int cnt) -#else -mpz_tdiv_q_2exp (w, u, cnt) - mpz_ptr w; - mpz_srcptr u; - unsigned long int cnt; -#endif -{ - mp_size_t usize, wsize; - mp_size_t limb_cnt; - - usize = u->_mp_size; - limb_cnt = cnt / BITS_PER_MP_LIMB; - wsize = ABS (usize) - limb_cnt; - if (wsize <= 0) - w->_mp_size = 0; - else - { - mp_ptr wp; - mp_srcptr up; - - if (w->_mp_alloc < wsize) - _mpz_realloc (w, wsize); - - wp = w->_mp_d; - up = u->_mp_d; - - cnt %= BITS_PER_MP_LIMB; - if (cnt != 0) - { - mpn_rshift (wp, up + limb_cnt, wsize, cnt); - wsize -= wp[wsize - 1] == 0; - } - else - { - MPN_COPY_INCR (wp, up + limb_cnt, wsize); - } - - w->_mp_size = usize >= 0 ? wsize : -wsize; - } -} |