[ET Trac] #2829: Piraha lookup ref issue

Fri Sep 13 13:11:26 CDT 2024

#2829: Piraha lookup ref issue

 Reporter: Steven R. Brandt
   Status: new
Milestone: 
  Version: 
     Type: bug
 Priority: major
Component: Cactus

Flesh: Currently, lookup\_var returns a reference to the value of a var. When a unop is called, this has the effect of negating the value in the table. Thus:

```
    $zip = 1
    foo::xmin = -$zip
    foo::xmax =  $zip
```

This results in both xmin and xmax being set to the same value \(-1\). The fix is to have lookup\_var return a copy rather than a reference.

--
Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2829/piraha-lookup-ref-issue
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