[Octave-bug-tracker] [bug #36783] Large sparse matrix fails in thee 64-bit build

[Rofu]

URL:
  <http://savannah.gnu.org/bugs/?36783>

                 Summary: Large sparse matrix fails in thee 64-bit build
                 Project: GNU Octave
            Submitted by: rofu
            Submitted on: Wed 04 Jul 2012 04:33:58 PM GMT
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Rofu
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.2
        Operating System: GNU/Linux

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Details:

Followed the instruction in 
http://www.gnu.org/software/octave/doc/interpreter/Compiling-Octave-with-64_002dbit-Indexing.html,
allocating a sparse matrix with more than 2G nnz elements fails. 

After traced the code, I found a bug on the line 1517 in mex.cc.
Types for m, n, nzmax_arg should be "mwSize" rather than "int."

Here is the diff result:

1517c1517
<   mxArray_sparse (mxClassID id_arg, int m, int n, int nzmax_arg,
---
>   mxArray_sparse (mxClassID id_arg, mwSize m, mwSize n, mwSize nzmax_arg,






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