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Diff for /OpenXM_contrib/gmp/mpz/Attic/get_si.c between version 1.1 and 1.1.1.3

version 1.1, 2000/01/10 15:35:27 version 1.1.1.3, 2003/08/25 16:06:33
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 /* mpz_get_si(integer) -- Return the least significant digit from INTEGER.  /* mpz_get_si(integer) -- Return the least significant digit from INTEGER.
   
 Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc.  Copyright 1991, 1993, 1994, 1995, 2000, 2001, 2002 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 24  MA 02111-1307, USA. */
 #include "gmp-impl.h"  #include "gmp-impl.h"
   
 signed long int  signed long int
 #if __STDC__  mpz_get_si (mpz_srcptr z)
 mpz_get_si (mpz_srcptr op)  
 #else  
 mpz_get_si (op)  
      mpz_srcptr op;  
 #endif  
 {  {
   mp_size_t size = op->_mp_size;    mp_ptr zp = z->_mp_d;
   mp_limb_t low_limb = op->_mp_d[0];    mp_size_t size = z->_mp_size;
     mp_limb_t zl = zp[0];
   
   #if GMP_NAIL_BITS != 0
     if (ULONG_MAX > GMP_NUMB_MAX != 0 && ABS (size) >= 2)
       zl |= zp[1] << GMP_NUMB_BITS;
   #endif
   
   if (size > 0)    if (size > 0)
     return low_limb % ((mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1));      return (long) zl & LONG_MAX;
   else if (size < 0)    else if (size < 0)
     /* This convoluted expression is necessary to properly handle 0x80000000 */      /* This expression is necessary to properly handle 0x80000000 */
     return ~((low_limb - 1) % ((mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1)));      return ~(((long) zl - 1L) & LONG_MAX);
   else    else
     return 0;      return 0;
 }  }
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Removed from v.1.1  
changed lines
  Added in v.1.1.1.3
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