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Annotation of OpenXM_contrib/gmp/mpf/swap.c, Revision 1.1

1.1     ! maekawa     1: /* mpf_swap (U, V) -- Swap U and V.
        !             2:
        !             3: Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
        !             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
        !             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
        !            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
        !            14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
        !            15: License for more details.
        !            16:
        !            17: You should have received a copy of the GNU Lesser General Public License
        !            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:
        !            22: #include "gmp.h"
        !            23: #include "gmp-impl.h"
        !            24:
        !            25: void
        !            26: #if __STDC__
        !            27: mpf_swap (mpf_ptr u, mpf_ptr v)
        !            28: #else
        !            29: mpf_swap (u, v)
        !            30:      mpf_ptr u;
        !            31:      mpf_ptr v;
        !            32: #endif
        !            33: {
        !            34:   mp_ptr up, vp;
        !            35:   mp_size_t usize, vsize;
        !            36:   mp_size_t uprec, vprec;
        !            37:   mp_exp_t  uexp, vexp;
        !            38:
        !            39:   uprec = u->_mp_prec;
        !            40:   vprec = v->_mp_prec;
        !            41:   v->_mp_prec = uprec;
        !            42:   u->_mp_prec = vprec;
        !            43:
        !            44:   usize = u->_mp_size;
        !            45:   vsize = v->_mp_size;
        !            46:   v->_mp_size = usize;
        !            47:   u->_mp_size = vsize;
        !            48:
        !            49:   uexp = u->_mp_exp;
        !            50:   vexp = v->_mp_exp;
        !            51:   v->_mp_exp = uexp;
        !            52:   u->_mp_exp = vexp;
        !            53:
        !            54:   up = u->_mp_d;
        !            55:   vp = v->_mp_d;
        !            56:   v->_mp_d = up;
        !            57:   u->_mp_d = vp;
        !            58: }