src/test/scripts/functions/lineage/FunctionFullReuse8.dml

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# Increase rows and cols for better performance gains

foo = function(Matrix[Double] X) return (Matrix[Double] S) 
{
  if (ncol(X) == 15)
    S = X;
  else {
    S = bar(X);
    X = cbind(X, matrix(1, nrow(X), 1));
  }
}
bar = function(Matrix[Double] X) return (Matrix[Double] S) 
{
  if (ncol(X) == 15)
    S = X;
  else {
    X = cbind(X, rand(rows=nrow(X), cols=1, seed=42));
    S = foo(X);
    #S = X;
  }
}

r = 100
c = 10

X = rand(rows=r, cols=c, seed=42);
y = rand(rows=r, cols=1, seed=43);
R = matrix(0, 1, 2);

S = foo(X);
R[,1] = sum(S);

S = foo(X);
R[,2] = sum(S);

write(R, $1, format="text");