#-------------------------------------------------------------
#
# 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.
#
#-------------------------------------------------------------


V = read($1,rows=$2,cols=$3);
m = $2;
n = $3;

R1 = matrix(0,rows=m,cols=n);
parfor( i in 1:(n-7), par=8, mode=REMOTE_SPARK, resultmerge=REMOTE_SPARK, taskpartitioner=FACTORING, opt=NONE )
{
   X = V[,i];
   R1[,i] = X;
}   

R = R1 + R1; 
write(R, $4);