[ET Trac] [Einstein Toolkit] #1563: Provide always-working isnan etc.

[Einstein Toolkit]

#1563: Provide always-working isnan etc.
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  Reporter:  eschnett     |       Owner:                     
      Type:  enhancement  |      Status:  reopened           
  Priority:  major        |   Milestone:                     
 Component:  Cactus       |     Version:  development version
Resolution:               |    Keywords:                     
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Comment (by knarf):

 What we seem to want is that the compiler honors calls to isnan, so
 fast_math does not seem to be an option. Isn't there a better way to tell
 the compiler which optimizations it is allowed to do, and which isn't?
 fast_math is only a shorthand for a whole list of options usually.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1563#comment:4>
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