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Diff for /OpenXM_contrib/gmp/mpz/Attic/tdiv_qr.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 14:12:59
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 /* mpz_tdiv_qr(quot,rem,dividend,divisor) -- Set QUOT to DIVIDEND/DIVISOR,  /* mpz_tdiv_qr(quot,rem,dividend,divisor) -- Set QUOT to DIVIDEND/DIVISOR,
    and REM to DIVIDEND mod DIVISOR.     and REM to DIVIDEND mod DIVISOR.
   
 Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc.  Copyright (C) 1991, 1993, 1994, 2000 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 23  MA 02111-1307, USA. */
Line 23  MA 02111-1307, USA. */
 #include "gmp.h"  #include "gmp.h"
 #include "gmp-impl.h"  #include "gmp-impl.h"
 #include "longlong.h"  #include "longlong.h"
   #ifdef BERKELEY_MP
   #include "mp.h"
   #endif
   
   
   #ifndef BERKELEY_MP
   
 void  void
 #if __STDC__  #if __STDC__
 mpz_tdiv_qr (mpz_ptr quot, mpz_ptr rem, mpz_srcptr num, mpz_srcptr den)  mpz_tdiv_qr (mpz_ptr quot, mpz_ptr rem, mpz_srcptr num, mpz_srcptr den)
Line 35  mpz_tdiv_qr (quot, rem, num, den)
Line 41  mpz_tdiv_qr (quot, rem, num, den)
      mpz_srcptr den;       mpz_srcptr den;
 #endif  #endif
   
 #define COMPUTE_QUOTIENT  #else /* BERKELEY_MP */
 #include "dmincl.c"  
   void
   #if __STDC__
   mdiv (mpz_srcptr num, mpz_srcptr den, mpz_ptr quot, mpz_ptr rem)
   #else
   mdiv (num, den, quot, rem)
        mpz_srcptr num;
        mpz_srcptr den;
        mpz_ptr    quot;
        mpz_ptr    rem;
   #endif
   
   #endif /* BERKELEY_MP */
   {
     mp_size_t ql;
     mp_size_t ns, ds, nl, dl;
     mp_ptr np, dp, qp, rp;
     TMP_DECL (marker);
   
     ns = SIZ (num);
     ds = SIZ (den);
     nl = ABS (ns);
     dl = ABS (ds);
     ql = nl - dl + 1;
   
     if (dl == 0)
       DIVIDE_BY_ZERO;
   
     MPZ_REALLOC (rem, dl);
   
     if (ql <= 0)
       {
         if (num != rem)
           {
             mp_ptr np, rp;
             np = PTR (num);
             rp = PTR (rem);
             MPN_COPY (rp, np, nl);
             SIZ (rem) = SIZ (num);
           }
         /* This needs to follow the assignment to rem, in case the
            numerator and quotient are the same.  */
         SIZ (quot) = 0;
         return;
       }
   
     MPZ_REALLOC (quot, ql);
   
     TMP_MARK (marker);
     qp = PTR (quot);
     rp = PTR (rem);
     np = PTR (num);
     dp = PTR (den);
   
     /* FIXME: We should think about how to handle the temporary allocation.
        Perhaps mpn_tdiv_qr should handle it, since it anyway often needs to
        allocate temp space.  */
   
     /* Copy denominator to temporary space if it overlaps with the quotient
        or remainder.  */
     if (dp == rp || dp == qp)
       {
         mp_ptr tp;
         tp = (mp_ptr) TMP_ALLOC (dl * BYTES_PER_MP_LIMB);
         MPN_COPY (tp, dp, dl);
         dp = tp;
       }
     /* Copy numerator to temporary space if it overlaps with the quotient or
        remainder.  */
     if (np == rp || np == qp)
       {
         mp_ptr tp;
         tp = (mp_ptr) TMP_ALLOC (nl * BYTES_PER_MP_LIMB);
         MPN_COPY (tp, np, nl);
         np = tp;
       }
   
     mpn_tdiv_qr (qp, rp, 0L, np, nl, dp, dl);
   
     ql -=  qp[ql - 1] == 0;
     MPN_NORMALIZE (rp, dl);
   
     SIZ (quot) = (ns ^ ds) >= 0 ? ql : -ql;
     SIZ (rem) = ns >= 0 ? dl : -dl;
     TMP_FREE (marker);
   }
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