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

1.1       maekawa     1: /* mpz_init_set (src_integer) -- Make a new multiple precision number with
                      2:    a value copied from SRC_INTEGER.
                      3:
1.1.1.3 ! ohara       4: Copyright 1991, 1993, 1994, 1996, 2000, 2001, 2002 Free Software Foundation,
        !             5: Inc.
1.1       maekawa     6:
                      7: This file is part of the GNU MP Library.
                      8:
                      9: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2   maekawa    10: it under the terms of the GNU Lesser General Public License as published by
                     11: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    12: option) any later version.
                     13:
                     14: The GNU MP Library is distributed in the hope that it will be useful, but
                     15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2   maekawa    16: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    17: License for more details.
                     18:
1.1.1.2   maekawa    19: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    20: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     22: MA 02111-1307, USA. */
                     23:
                     24: #include "gmp.h"
                     25: #include "gmp-impl.h"
                     26:
                     27: void
                     28: mpz_init_set (mpz_ptr w, mpz_srcptr u)
                     29: {
                     30:   mp_ptr wp, up;
                     31:   mp_size_t usize, size;
                     32:
                     33:   usize = u->_mp_size;
                     34:   size = ABS (usize);
                     35:
                     36:   w->_mp_alloc = MAX (size, 1);
1.1.1.3 ! ohara      37:   w->_mp_d = (mp_ptr) (*__gmp_allocate_func) (w->_mp_alloc * BYTES_PER_MP_LIMB);
1.1       maekawa    38:
                     39:   wp = w->_mp_d;
                     40:   up = u->_mp_d;
                     41:
                     42:   MPN_COPY (wp, up, size);
                     43:   w->_mp_size = usize;
1.1.1.3 ! ohara      44:
        !            45: #ifdef __CHECKER__
        !            46:   /* let the low limb look initialized, for the benefit of mpz_get_ui etc */
        !            47:   if (size == 0)
        !            48:     wp[0] = 0;
        !            49: #endif
1.1       maekawa    50: }