bugGNU Octave - Bugs: bug #43031, The installation documentation for...

 
 

bug #43031: The installation documentation for Octave with 64-bit indexing doesn't mention arpack

Submitter:  None
Submitted:  Wed 20 Aug 2014 10:12:28 AM UTC
   
 
Category:  Documentation Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Documentation
Status:  Fixed Assigned to:  None
Originator Name:  Johannes Zarl Originator Email:  -email is unavailable-
Open/Closed:  * Closed Release:  * 3.8.2
Operating System:  * GNU/Linux Fixed Release:  None
Planned Release:  None
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Tue 04 Nov 2014 06:36:58 AM UTC, comment #1: 

I added documentation along the lines you suggested to the stable branch in this changeset (http://hg.savannah.gnu.org/hgweb/octave/rev/ed1bf35dc11c).  It will be a part of the next bug fix release if there is one, or more likely it will come out with the release of the GUI in version 4.0.

Rik <rik5>
Group administrator
Wed 20 Aug 2014 10:12:28 AM UTC, original submission:  

In the documentation at http://www.gnu.org/software/octave/doc/interpreter/Compiling-Octave-with-64_002dbit-Indexing.html, it is not mentioned that ARPACK needs to be compiled for 64-bit integers as well.

If ARPACK is not compiled with 64-bit integers, ./configure fails to recognize ARPACK since the check program produces a segfault (as is expected). The diagnostic does not tell the user that there is an integer size mismatch.


Since the documentation on 64-bit indexing mentions all other libs that require to be compiled with 64-bit integers, I would have expected ARPACK to be mentioned as well.

Could you please add a section to the documentation like the following?


ARPACK (http://forge.scilab.org/index.php/p/arpack-ng/)
 - Add -fdefault-integer-8 to FFLAGS when running configure:
   FFLAGS="-fdefault-integer-8" ./configure
 - Run make to build the library.
 - Run make check to run some basic sanity tests (optional).
 - Run make install to install the library.


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    Date Changed by Updated Field Previous Value => Replaced by
    2014-11-04 rik5 StatusNone Fixed
        Open/ClosedOpen Closed

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