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author | Kevin Ryde <user42@zip.com.au> | 2000-05-05 01:07:20 +0200 |
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committer | Kevin Ryde <user42@zip.com.au> | 2000-05-05 01:07:20 +0200 |
commit | 6b1d1728e176b6a8a105ec670faaf719e9a87358 (patch) | |
tree | f870cf5d719e9295d7705f320df3460c0295d2de /mpq/swap.c | |
parent | c2d8c35f3ab8154b3b9ef2646f1ac3471f28f6c8 (diff) | |
download | gmp-6b1d1728e176b6a8a105ec670faaf719e9a87358.tar.gz |
* mpq/swap.c: New file, derived from mpz/swap.c.
Diffstat (limited to 'mpq/swap.c')
-rw-r--r-- | mpq/swap.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/mpq/swap.c b/mpq/swap.c new file mode 100644 index 000000000..e0858ee77 --- /dev/null +++ b/mpq/swap.c @@ -0,0 +1,68 @@ +/* mpq_swap (U, V) -- Swap U and V. + +Copyright (C) 1997, 1998, 2000 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpq_swap (mpq_ptr u, mpq_ptr v) +#else +mpq_swap (u, v) + mpq_ptr u; + mpq_ptr v; +#endif +{ + mp_ptr up, vp; + mp_size_t usize, vsize; + mp_size_t ualloc, valloc; + + ualloc = u->_mp_num._mp_alloc; + valloc = v->_mp_num._mp_alloc; + v->_mp_num._mp_alloc = ualloc; + u->_mp_num._mp_alloc = valloc; + + usize = u->_mp_num._mp_size; + vsize = v->_mp_num._mp_size; + v->_mp_num._mp_size = usize; + u->_mp_num._mp_size = vsize; + + up = u->_mp_num._mp_d; + vp = v->_mp_num._mp_d; + v->_mp_num._mp_d = up; + u->_mp_num._mp_d = vp; + + + ualloc = u->_mp_den._mp_alloc; + valloc = v->_mp_den._mp_alloc; + v->_mp_den._mp_alloc = ualloc; + u->_mp_den._mp_alloc = valloc; + + usize = u->_mp_den._mp_size; + vsize = v->_mp_den._mp_size; + v->_mp_den._mp_size = usize; + u->_mp_den._mp_size = vsize; + + up = u->_mp_den._mp_d; + vp = v->_mp_den._mp_d; + v->_mp_den._mp_d = up; + u->_mp_den._mp_d = vp; +} |