1/* mpq_swap (U, V) -- Swap U and V. 2 3Copyright 1997, 1998, 2000, 2001 Free Software Foundation, Inc. 4 5This file is part of the GNU MP Library. 6 7The GNU MP Library is free software; you can redistribute it and/or modify 8it under the terms of the GNU Lesser General Public License as published by 9the Free Software Foundation; either version 3 of the License, or (at your 10option) any later version. 11 12The GNU MP Library is distributed in the hope that it will be useful, but 13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 15License for more details. 16 17You should have received a copy of the GNU Lesser General Public License 18along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 19 20#include "gmp.h" 21#include "gmp-impl.h" 22 23void 24mpq_swap (mpq_ptr u, mpq_ptr v) 25{ 26 mp_ptr up, vp; 27 mp_size_t usize, vsize; 28 mp_size_t ualloc, valloc; 29 30 ualloc = u->_mp_num._mp_alloc; 31 valloc = v->_mp_num._mp_alloc; 32 v->_mp_num._mp_alloc = ualloc; 33 u->_mp_num._mp_alloc = valloc; 34 35 usize = u->_mp_num._mp_size; 36 vsize = v->_mp_num._mp_size; 37 v->_mp_num._mp_size = usize; 38 u->_mp_num._mp_size = vsize; 39 40 up = u->_mp_num._mp_d; 41 vp = v->_mp_num._mp_d; 42 v->_mp_num._mp_d = up; 43 u->_mp_num._mp_d = vp; 44 45 46 ualloc = u->_mp_den._mp_alloc; 47 valloc = v->_mp_den._mp_alloc; 48 v->_mp_den._mp_alloc = ualloc; 49 u->_mp_den._mp_alloc = valloc; 50 51 usize = u->_mp_den._mp_size; 52 vsize = v->_mp_den._mp_size; 53 v->_mp_den._mp_size = usize; 54 u->_mp_den._mp_size = vsize; 55 56 up = u->_mp_den._mp_d; 57 vp = v->_mp_den._mp_d; 58 v->_mp_den._mp_d = up; 59 u->_mp_den._mp_d = vp; 60} 61