third_party/gmp/tests/refmpq.c

/* Reference rational routines.

Copyright 2001 Free Software Foundation, Inc.

This file is part of the GNU MP Library test suite.

The GNU MP Library test suite is free software; you can redistribute it
and/or modify it under the terms of the GNU 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 test suite 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 General
Public License for more details.

You should have received a copy of the GNU General Public License along with
the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */

#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);
}