[GitHub] [systemds] Baunsgaard edited a comment on pull request #1240: [WIP] [AMLS] Garch

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Baunsgaard edited a comment on pull request #1240:
URL: https://github.com/apache/systemds/pull/1240#issuecomment-826304267


   the bug seems to be related to calling a function twice with the same arguments, this makes our compiler return null in one of the calls. so there definally is a bug in our system.
   
   if you need to call it twice with the same arguments i suggest making a temporary variable like so:
   
   ```R
   r =  qmle(Xt, nb_a0, arch_coef, var_coef)
   a = r - curr_qmle
   df_a0 = r - a
   ```
   but thanks for spotting a bug, i will ad a JIRA task to fix it.


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