[Octave-bug-tracker] [bug #45219] Incorrect behavior with broadcasting and mixed real/complex matrices

[Michael C. Grant]

URL:
  <http://savannah.gnu.org/bugs/?45219>

                 Summary: Incorrect behavior with broadcasting and mixed
real/complex matrices
                 Project: GNU Octave
            Submitted by: mcgrant
            Submitted on: Sat 30 May 2015 07:10:20 PM GMT
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Michael Grant
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0-rc4
        Operating System: Any

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Details:


t1 = randn(6,3)+1j*randn(6,3);
t2 = randn(6,1);
s1 = sparse(t1);
s2 = sparse(t2);

These work fine:

t1 + t2
bsxfun( @plus, t1, t2 )
-verbatim+
These fail, each in different ways, but they should produce the same results
as above, only sparse:

>> s1 + s2
error: operator +: nonconformant arguments (op1 is 6x3, op2 is 6x1)
>> bsxfun(@plus,s1,s2)
error: concatenation operator not implemented for '<unknown type>' by 'sparse
complex matrix' operations

Matlab does the correct thing with the bsxfun functions, but of course it does
not consider the bare additions to be correct.




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