1/* mpq_init -- Make a new rational number with value 0/1. 2 3Copyright 1991, 1994, 1995, 2000, 2001, 2002 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_init (MP_RAT *x) 25{ 26 x->_mp_num._mp_alloc = 1; 27 x->_mp_num._mp_d = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB); 28 x->_mp_num._mp_size = 0; 29 x->_mp_den._mp_alloc = 1; 30 x->_mp_den._mp_d = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB); 31 x->_mp_den._mp_d[0] = 1; 32 x->_mp_den._mp_size = 1; 33 34#ifdef __CHECKER__ 35 /* let the low limb look initialized, for the benefit of mpz_get_ui etc */ 36 x->_mp_num._mp_d[0] = 0; 37#endif 38} 39