1 /* mpq_set_ui(dest,ulong_num,ulong_den) -- Set DEST to the rational number
4 Copyright 1991, 1994, 1995, 2001, 2002, 2003 Free Software Foundation, Inc.
6 This file is part of the GNU MP Library.
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or (at your
11 option) any later version.
13 The GNU MP Library is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16 License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
25 mpq_set_ui (MP_RAT *dest, unsigned long int num, unsigned long int den)
27 if (GMP_NUMB_BITS < BITS_PER_ULONG)
29 if (num == 0) /* Canonicalize 0/d to 0/1. */
31 mpz_set_ui (mpq_numref (dest), num);
32 mpz_set_ui (mpq_denref (dest), den);
38 /* Canonicalize 0/n to 0/1. */
40 dest->_mp_num._mp_size = 0;
44 dest->_mp_num._mp_d[0] = num;
45 dest->_mp_num._mp_size = 1;
48 dest->_mp_den._mp_d[0] = den;
49 dest->_mp_den._mp_size = (den != 0);