[ET Trac] [Einstein Toolkit] #1184: Update ubuntu.cfg

[Einstein Toolkit]

#1184: Update ubuntu.cfg
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  Reporter:  eschnett     |       Owner:  eschnett   
      Type:  enhancement  |      Status:  reviewed_ok
  Priority:  minor        |   Milestone:             
 Component:  SimFactory   |     Version:             
Resolution:               |    Keywords:             
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Comment (by hinder):

 Enabling -ffast-math in something very similar to ubuntu.cfg gave several
 testsuite failures for me.  This suggests that either the tolerances are
 too strict, or that GCC was enabling some optimisations which we haven't
 had to deal with before.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1184#comment:9>
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