src/test/scripts/functions/misc/NegativeForIncrTest.R

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

A = as.matrix(readMM(paste(args[1], "A.mtx", sep="")))
c = as.integer(args[2]);
mStep = as.logical(args[3]);

s = 0;
if( mStep ) {
   for( i in seq(nrow(A),1,-7) ) {
      s = s + A[i,1] + c;
   }
} else {
   for( i in nrow(A):1 ) {
      s = s + A[i,1] + c;
   }
}

R = as.matrix(s);
writeMM(as(R, "CsparseMatrix"), paste(args[4], "R", sep=""));