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Annotation of OpenXM_contrib/gmp/mpz/iset.c, Revision 1.1

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