[Octave-bug-tracker] [bug #42850] Reshape does something weird with sparse matrix

[David Spies]

URL:
  <http://savannah.gnu.org/bugs/?42850>

                 Summary: Reshape does something weird with sparse matrix
                 Project: GNU Octave
            Submitted by: dspyz
            Submitted on: Sat 26 Jul 2014 06:20:19 PM GMT
                Category: Octave Function
                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:

octave:1> b = logical(speye(100000));
octave:2> c = reshape(b,200000,50000);
octave:3> c
c =

Compressed Column Sparse (rows = 200000, cols = 50000, nnz = 100000 [0.001%])

  (-148694, 1) ->  1
  (-48693, 1) ->  1
  (51308, 1) ->  1
  (151309, 1) ->  1
  (51310, 2) ->  1
  (151311, 2) ->  1
  (51312, 3) ->  1
  (151313, 3) ->  1
  (51314, 4) ->  1
  (151315, 4) ->  1
  (51316, 5) ->  1
  (151317, 5) ->  1
  (51318, 6) ->  1
  (151319, 6) ->  1
  (51320, 7) ->  1
  (151321, 7) ->  1
  (51322, 8) ->  1
  (151323, 8) ->  1
  (51324, 9) ->  1
warning: broken pipe
octave:4> exit

attempting to save variables to 'octave-workspace'...
panic: Segmentation fault -- stopping myself...
attempting to save variables to 'octave-workspace'...
octave exited with signal 11





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