1/* mpq_set_num(dest,num) -- Set the numerator of DEST from NUM. 2 3Copyright 1991, 1994, 1995, 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_set_num (MP_RAT *dest, const MP_INT *num) 25{ 26 mp_size_t size = num->_mp_size; 27 mp_size_t abs_size = ABS (size); 28 29 if (dest->_mp_num._mp_alloc < abs_size) 30 _mpz_realloc (&(dest->_mp_num), abs_size); 31 32 MPN_COPY (dest->_mp_num._mp_d, num->_mp_d, abs_size); 33 dest->_mp_num._mp_size = size; 34} 35