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/* Reference rational routines.
Copyright 2001 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"
#include "tests.h"
void
refmpq_add (mpq_ptr w, mpq_srcptr x, mpq_srcptr y)
{
mpz_mul (mpq_numref(w), mpq_numref(x), mpq_denref(y));
mpz_addmul (mpq_numref(w), mpq_denref(x), mpq_numref(y));
mpz_mul (mpq_denref(w), mpq_denref(x), mpq_denref(y));
mpq_canonicalize (w);
}
void
refmpq_sub (mpq_ptr w, mpq_srcptr x, mpq_srcptr y)
{
mpz_mul (mpq_numref(w), mpq_numref(x), mpq_denref(y));
mpz_submul (mpq_numref(w), mpq_denref(x), mpq_numref(y));
mpz_mul (mpq_denref(w), mpq_denref(x), mpq_denref(y));
mpq_canonicalize (w);
}
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