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[Octave-bug-tracker] [bug #38466] incorrect broadcasting for 'a .*= b' w


From: John Hunt
Subject: [Octave-bug-tracker] [bug #38466] incorrect broadcasting for 'a .*= b' when b has fewer dimensions than a
Date: Mon, 04 Mar 2013 21:14:18 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Firefox/17.0

URL:
  <http://savannah.gnu.org/bugs/?38466>

                 Summary: incorrect broadcasting for 'a .*= b' when b has
fewer dimensions than a
                 Project: GNU Octave
            Submitted by: huntj
            Submitted on: Mon 04 Mar 2013 09:14:16 PM GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

line 3 should broadcast, as on the next line.


octave:1> a = ones(2, 2, 2);
octave:2> b = ones(2, 1);
octave:3> a .*= b
error: .*=: nonconformant arguments (op1 is 2x2x2, op2 is 2x1)
octave:3> a = a .* b
warning: product: automatic broadcasting operation applied
a =

ans(:,:,1) =

   1   1
   1   1

ans(:,:,2) =

   1   1
   1   1


hg id -in
8366bc871d45 16188

It might be related to bug #35787





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