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/* mpq_swap (U, V) -- Swap U and V.
Copyright 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or (at
your option) any later version.
The GNU MP Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see https://www.gnu.org/licenses/. */
#include "gmp.h"
#include "gmp-impl.h"
void
mpq_swap (mpq_ptr u, mpq_ptr v) __GMP_NOTHROW
{
mp_ptr up, vp;
mp_size_t usize, vsize;
mp_size_t ualloc, valloc;
ualloc = ALLOC(NUM(u));
valloc = ALLOC(NUM(v));
ALLOC(NUM(v)) = ualloc;
ALLOC(NUM(u)) = valloc;
usize = SIZ(NUM(u));
vsize = SIZ(NUM(v));
SIZ(NUM(v)) = usize;
SIZ(NUM(u)) = vsize;
up = PTR(NUM(u));
vp = PTR(NUM(v));
PTR(NUM(v)) = up;
PTR(NUM(u)) = vp;
ualloc = ALLOC(DEN(u));
valloc = ALLOC(DEN(v));
ALLOC(DEN(v)) = ualloc;
ALLOC(DEN(u)) = valloc;
usize = SIZ(DEN(u));
vsize = SIZ(DEN(v));
SIZ(DEN(v)) = usize;
SIZ(DEN(u)) = vsize;
up = PTR(DEN(u));
vp = PTR(DEN(v));
PTR(DEN(v)) = up;
PTR(DEN(u)) = vp;
}
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