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

1.1     ! ohara       1: /* mpfr_swap (U, V) -- Swap U and V.
        !             2:
        !             3: Copyright 2000, 2001 Free Software Foundation, Inc.
        !             4:
        !             5: This file is part of the MPFR Library.
        !             6:
        !             7: The MPFR 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 MPFR 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 MPFR 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 "mpfr.h"
        !            24: #include "mpfr-impl.h"
        !            25:
        !            26: void
        !            27: mpfr_swap (mpfr_ptr u, mpfr_ptr v)
        !            28: {
        !            29:   mp_ptr up, vp;
        !            30:   mp_size_t usize, vsize;
        !            31:   mp_prec_t uprec, vprec;
        !            32:   mp_exp_t  uexp, vexp;
        !            33:
        !            34:   uprec = MPFR_PREC(u);
        !            35:   vprec = MPFR_PREC(v);
        !            36:   MPFR_PREC(v) = uprec;
        !            37:   MPFR_PREC(u) = vprec;
        !            38:
        !            39:   usize = MPFR_SIZE(u);
        !            40:   vsize = MPFR_SIZE(v);
        !            41:   MPFR_SIZE(v) = usize;
        !            42:   MPFR_SIZE(u) = vsize;
        !            43:
        !            44:   uexp = MPFR_EXP(u);
        !            45:   vexp = MPFR_EXP(v);
        !            46:   MPFR_EXP(v) = uexp;
        !            47:   MPFR_EXP(u) = vexp;
        !            48:
        !            49:   up = MPFR_MANT(u);
        !            50:   vp = MPFR_MANT(v);
        !            51:   MPFR_MANT(v) = up;
        !            52:   MPFR_MANT(u) = vp;
        !            53: }