#-------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
#-------------------------------------------------------------

foo = function(Matrix[Double] X, Matrix[Double] Y) 
  return (Matrix[Double] R, Matrix[Double] S)
{
  if( sum(X) > 0 ) {
	  [R, S] = foo( -abs(X), -abs(Y) );
	}
	else {
	  R = X - 1;
	  S = Y - 1;
	}
}

X = rand(rows=$3, cols=$4, min=-1, max=10, seed=7);
Y = X^2;
[R, S] = foo(Y, X);
R = R - S;

#print(lineage(R));
write(R, $2);