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/* mpq_set_ui(dest,ulong_num,ulong_den) -- Set DEST to the rational number
ULONG_NUM/ULONG_DEN.
Copyright 1991, 1994, 1995, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
The GNU MP Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
#include "gmp.h"
#include "gmp-impl.h"
void
mpq_set_ui (MP_RAT *dest, unsigned long int num, unsigned long int den)
{
if (GMP_NUMB_BITS < BITS_PER_ULONG)
{
if (num == 0) /* Canonicalize 0/d to 0/1. */
den = 1;
mpz_set_ui (mpq_numref (dest), num);
mpz_set_ui (mpq_denref (dest), den);
return;
}
if (num == 0)
{
/* Canonicalize 0/n to 0/1. */
den = 1;
dest->_mp_num._mp_size = 0;
}
else
{
dest->_mp_num._mp_d[0] = num;
dest->_mp_num._mp_size = 1;
}
dest->_mp_den._mp_d[0] = den;
dest->_mp_den._mp_size = (den != 0);
}
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