src/test/scripts/functions/federated/FederatedCtableFedOutput.dml

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X = federated(addresses=list($in_X1, $in_X2, $in_X3, $in_X4),
        ranges=list(list(0, 0), list($rows/4, $cols), list($rows/4, 0), list(2*$rows/4, $cols),
    		list(2*$rows/4, 0), list(3*$rows/4, $cols), list(3*$rows/4, 0), list($rows, $cols)));

m = nrow(X);
n = ncol(X);

# prepare offset vectors and one-hot encoded X
maxs = colMaxs(X);
if($matrixInput) {
  rix = matrix(seq(1,m)%*%matrix(1,1,n), m, n);
  cix = matrix(X + (t(cumsum(t(maxs))) - maxs), m, n);
}
else {
  rix = matrix(seq(1,m)%*%matrix(1,1,n), m*n, 1);
  cix = matrix(X + (t(cumsum(t(maxs))) - maxs), m*n, 1);
}

W = rix + cix;

if($revIn)
  if($weighted)
    X2 = table(cix, rix, W);
  else
    X2 = table(cix, rix);
else
  if($weighted)
      X2 = table(rix, cix, W);
    else
      X2 = table(rix, cix);

while(FALSE) { }
X2 = X2 * (seq(1, nrow(X2)) / nrow(X2));
while(FALSE) { }
Z = as.matrix(sum(X2));

write(Z, $out);