#-------------------------------------------------------------
#
# 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
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#-------------------------------------------------------------
args<-commandArgs(TRUE)
options(digits=22)
library("Matrix")
library("matrixStats")

# rowVars <- function(X) {
#   apply(X, 1, function(x) sum((x - mean(x))^2) / length(x))
# }

Z = matrix(seq(1,10), 1, 10)
Y = matrix(0, 10, 10)
X = rbind(Y, Z, Y)

R = as.matrix(sum(rowVars(X)));

writeMM(as(R, "CsparseMatrix"), paste(args[2], "S", sep=""));