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

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args <- commandArgs(TRUE)
options(digits=22)

library("Matrix")

factorial <- function(arr, pos){
	if(pos == 1){
     arr[1, pos] = 1
	} else {
		arr = factorial(arr, pos-1)
		arr[1, pos] = pos * arr[1, pos-1]
	}

  return(arr);	
}

n = as.integer(args[1])
arr = matrix(0, 1, n)
arr = factorial(arr, n)

R = matrix(0, 1, n);
for(i in 1:n)
{
   R[1,i] = arr[1, i];
}

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