[Octave-bug-tracker] [bug #53359] evalin overwrites ans in the caller workspace

[Ceral Paquet]

URL:
  <http://savannah.gnu.org/bugs/?53359>

                 Summary: evalin overwrites ans in the caller workspace
                 Project: GNU Octave
            Submitted by: octavebugs
            Submitted on: Fri 16 Mar 2018 12:37:21 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: GNU/Linux

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Details:

Consider the following function:

function test_evalin()
x = evalin('caller','sqrt(11);');

Since the result of evalin is assigned within the local scope, it should not
be left as "ans" in the caller's workspace. On the other hand, if it is not
assigned in the local scope, then it should be left in the caller in "ans".

Currently Octave does the latter for both cases.

MATLAB
++
>> ans=1; test_evalin; ans
ans =
     1
--


Octave
++
>> ans=1; test_evalin; ans
ans =  3.3166
--





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