[ET Trac] [Einstein Toolkit] #798: allow calculations in parameter assignments in parameter files

[Einstein Toolkit]

#798: allow calculations in parameter assignments in parameter files
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  Reporter:  rhaas        |       Owner:        
      Type:  enhancement  |      Status:  review
  Priority:  optional     |   Milestone:        
 Component:  Cactus       |     Version:        
Resolution:               |    Keywords:        
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Changes (by rhaas):

  * status:  reopened => review


Comment:

 the patch in expr2.patch adds some missing features:

 * recognizes "nan" and "inf"
 * allows constructs like 1*-1 (before this had to be written as "1*(-1)")
 * add remainder operator '%' (implemented via fmod)
 * some cleanup in comments and the test code

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/798#comment:11>
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