src/test/scripts/functions/lineage/RewriteTest3.dml

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X = read($1);

sum = 0;
tmp = X[,1];
tmp1 = matrix(0, rows=nrow(X), cols=0);
R = matrix(0, 1, ncol(X));

for (i in 1:ncol(X)) {
  tmp = cbind(tmp, X[,i]);
  ones_n = matrix(1, rows=nrow(X), cols=1);
  tmp1 = cbind(tmp, ones_n);
  Res1 = t(tmp1) %*% tmp1;
  while(FALSE) {};
  R[1,i] = sum(Res1);
  sum = sum + sum(Res1);
}

write(R, $3, format="text");