1/* mpz_init_set_ui(dest,val) -- Make a new multiple precision in DEST and 2 assign VAL to the new number. 3 4Copyright 1991, 1993, 1994, 1995, 2000, 2001, 2002, 2004 Free Software 5Foundation, Inc. 6 7This file is part of the GNU MP Library. 8 9The GNU MP Library is free software; you can redistribute it and/or modify 10it under the terms of the GNU Lesser General Public License as published by 11the Free Software Foundation; either version 3 of the License, or (at your 12option) any later version. 13 14The GNU MP Library is distributed in the hope that it will be useful, but 15WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17License for more details. 18 19You should have received a copy of the GNU Lesser General Public License 20along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ 21 22#include "gmp.h" 23#include "gmp-impl.h" 24 25void 26mpz_init_set_ui (mpz_ptr dest, unsigned long int val) 27{ 28 mp_size_t size; 29 30 dest->_mp_alloc = 1; 31 dest->_mp_d = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB); 32 33 dest->_mp_d[0] = val & GMP_NUMB_MASK; 34 size = val != 0; 35 36#if BITS_PER_ULONG > GMP_NUMB_BITS /* avoid warnings about shift amount */ 37 if (val > GMP_NUMB_MAX) 38 { 39 MPZ_REALLOC (dest, 2); 40 dest->_mp_d[1] = val >> GMP_NUMB_BITS; 41 size = 2; 42 } 43#endif 44 45 dest->_mp_size = size; 46} 47