src/test/scripts/functions/lineage/LineageTraceEquals2.dml

#-------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
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max_iteration = 100;

X = read($1);
i = 0;

while(i < max_iteration) {
  if (i %% 2 == 1)
    X = X * X * X;
  else
    X = X + 7;

  if (sum(X) > 500)
    X = X / 2;

  i = i + 1;
}
X = t(X) %*% X;
write(X, $2, format="text");


while (FALSE) {}


Z = read($1);
i = 0;

while(i < max_iteration) {
  if (i %% 2 == 1)
    Z = Z * Z * Z;
  else
    Z = Z + 7;

  if (sum(Z) > 500)
    Z = Z / 2;

  i = i + 1;
}
Z = t(Z) %*% Z;
write(Z, $3, format="text");