2008-06-25 03:33:36 -04:00
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/* mpf_swap (U, V) -- Swap U and V.
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Copyright 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "gmp.h"
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#include "gmp-impl.h"
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void
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mpf_swap (mpf_ptr u, mpf_ptr v)
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{
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mp_ptr up, vp;
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mp_size_t usize, vsize;
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mp_size_t uprec, vprec;
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mp_exp_t uexp, vexp;
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uprec = u->_mp_prec;
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vprec = v->_mp_prec;
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v->_mp_prec = uprec;
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u->_mp_prec = vprec;
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usize = u->_mp_size;
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vsize = v->_mp_size;
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v->_mp_size = usize;
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u->_mp_size = vsize;
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uexp = u->_mp_exp;
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vexp = v->_mp_exp;
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v->_mp_exp = uexp;
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u->_mp_exp = vexp;
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up = u->_mp_d;
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vp = v->_mp_d;
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v->_mp_d = up;
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u->_mp_d = vp;
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}
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