[Octave-bug-tracker] [bug #61690] Behavior of sum() with empty inputs

[Guillaume]

URL:
  <https://savannah.gnu.org/bugs/?61690>

                 Summary: Behavior of sum() with empty inputs
                 Project: GNU Octave
            Submitted by: gyom
            Submitted on: Fri 17 Dec 2021 02:23:58 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: guillaume
        Originator Email: 
             Open/Closed: Open
                 Release: dev
         Discussion Lock: Any
        Operating System: Any

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Details:

There is a difference between Octave and Matlab with sum() when the first
input is empty and a dimension is provided:

Octave:


octave:1> sum([])
ans = 0
octave:2> sum([],1)
ans = 0


Matlab:


>> sum([])
ans =
     0
>> sum([],1)
ans =
  1x0 empty double row vector





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