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/* mpq_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 either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any
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later version.
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or both in parallel, as here.
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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 General Public License
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for more details.
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You should have received copies of the GNU General Public License and the
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GNU Lesser General Public License along with the GNU MP Library. If not,
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see https://www.gnu.org/licenses/. */
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#include "gmp.h"
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#include "gmp-impl.h"
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void
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mpq_swap (mpq_ptr u, mpq_ptr v) __GMP_NOTHROW
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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 ualloc, valloc;
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ualloc = ALLOC(NUM(u));
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valloc = ALLOC(NUM(v));
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ALLOC(NUM(v)) = ualloc;
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ALLOC(NUM(u)) = valloc;
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usize = SIZ(NUM(u));
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vsize = SIZ(NUM(v));
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SIZ(NUM(v)) = usize;
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SIZ(NUM(u)) = vsize;
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up = PTR(NUM(u));
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vp = PTR(NUM(v));
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PTR(NUM(v)) = up;
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PTR(NUM(u)) = vp;
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ualloc = ALLOC(DEN(u));
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valloc = ALLOC(DEN(v));
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ALLOC(DEN(v)) = ualloc;
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ALLOC(DEN(u)) = valloc;
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usize = SIZ(DEN(u));
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vsize = SIZ(DEN(v));
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SIZ(DEN(v)) = usize;
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SIZ(DEN(u)) = vsize;
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up = PTR(DEN(u));
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vp = PTR(DEN(v));
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PTR(DEN(v)) = up;
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PTR(DEN(u)) = vp;
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}
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