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Diff for /OpenXM_contrib/gmp/mpz/Attic/fdiv_q_2exp.c between version 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2000/01/10 15:35:27 version 1.1.1.2, 2000/09/09 14:12:50
Line 1 
Line 1 
 /* mpz_fdiv_q_2exp -- Divide an integer by 2**CNT.  Round the quotient  /* mpz_fdiv_q_2exp -- Divide an integer by 2**CNT.  Round the quotient
    towards -infinity.     towards -infinity.
   
 Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.  Copyright (C) 1991, 1993, 1994, 1996, 1998, 1999 Free Software Foundation,
   Inc.
   
 This file is part of the GNU MP Library.  This file is part of the GNU MP Library.
   
 The GNU MP Library is free software; you can redistribute it and/or modify  The GNU MP Library is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published by  it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 2 of the License, or (at your  the Free Software Foundation; either version 2.1 of the License, or (at your
 option) any later version.  option) any later version.
   
 The GNU MP Library is distributed in the hope that it will be useful, but  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  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 License for more details.  License for more details.
   
 You should have received a copy of the GNU Library General Public License  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  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,  the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 MA 02111-1307, USA. */  MA 02111-1307, USA. */
Line 86  mpz_fdiv_q_2exp (w, u, cnt)
Line 87  mpz_fdiv_q_2exp (w, u, cnt)
   if (usize < 0 && round != 0)    if (usize < 0 && round != 0)
     {      {
       mp_limb_t cy;        mp_limb_t cy;
       cy = mpn_add_1 (wp, wp, wsize, 1);        if (wsize != 0)
       wp[wsize] = cy;          {
       wsize += cy;            cy = mpn_add_1 (wp, wp, wsize, (mp_limb_t) 1);
             wp[wsize] = cy;
             wsize += cy;
           }
         else
           {
             /* We shifted something negative to zero.  The result is -1.  */
             wp[0] = 1;
             wsize = 1;
           }
     }      }
   w->_mp_size = usize >= 0 ? wsize : -wsize;    w->_mp_size = usize >= 0 ? wsize : -wsize;
 }  }

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  Added in v.1.1.1.2

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