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#
# Licensed to the Apache Software Foundation (ASF) under one
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# 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
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execFun = function(Matrix[Double] Xin) return (Double sx) 
{
   X = Xin[2:nrow(Xin),]

   if( nrow(X)>1 )
   {
      Y = X %*% t(X);
      sx = sum(Y);
   }
   else
   {
      sx = 0;
   }
}

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

R = Rand(rows=$3,cols=1,min=0,max=0); 
dummy = Rand(rows=1, cols=1, min=1, max=1);

for( i in 1:$3 ) 
{
   X = V[,i];
   sumx = execFun(X);
   
   R[i,1] = dummy * sumx; 
}  

write(R, $4);       