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

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

A = as.matrix(readMM(paste(args[1], "A.mtx", sep="")))
type = args[2]

if( type==1 ) {
  agg = sum(rowSums(A));
} else if( type==2 ) {
  agg = min(rowMins(A));
} else if( type==3 ) {
  agg = max(rowMaxs(A));
} else if( type==4 ) {
  agg = sum(rowSums(A^2));
} else if( type==5 ) {
  agg = sum(rowMins(A));
}

write(agg, paste(args[3], "Scalar",sep=""))