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Annotation of OpenXM_contrib/gmp/mpz/abs.c, Revision 1.1.1.3

1.1       maekawa     1: /* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST.
                      2:
1.1.1.3 ! ohara       3: Copyright 1991, 1993, 1994, 1995, 2001 Free Software Foundation, Inc.
1.1       maekawa     4:
                      5: This file is part of the GNU MP Library.
                      6:
                      7: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2   maekawa     8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    10: option) any later version.
                     11:
                     12: The GNU MP Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2   maekawa    14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    15: License for more details.
                     16:
1.1.1.2   maekawa    17: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
1.1.1.3 ! ohara      22: #define __GMP_FORCE_mpz_abs 1
        !            23:
1.1       maekawa    24: #include "gmp.h"
                     25: #include "gmp-impl.h"
                     26:
                     27: void
                     28: mpz_abs (mpz_ptr w, mpz_srcptr u)
                     29: {
                     30:   mp_ptr wp, up;
                     31:   mp_size_t size;
                     32:
                     33:   size = ABS (u->_mp_size);
                     34:
                     35:   if (u != w)
                     36:     {
                     37:       if (w->_mp_alloc < size)
                     38:        _mpz_realloc (w, size);
                     39:
                     40:       wp = w->_mp_d;
                     41:       up = u->_mp_d;
                     42:
                     43:       MPN_COPY (wp, up, size);
                     44:     }
                     45:
                     46:   w->_mp_size = size;
                     47: }