[ITK] [ITK-dev] LSQR (and related VNL code) Licensing Issues - fix lost

[Lowekamp, Bradley (NIH/NLM/LHC) [C]]

Matt,

This patch looks like it is the source of a number of valgrind defects on the ITK dashboard that need to be addressed.

https://open.cdash.org/viewDynamicAnalysisFile.php?id=3934294

Brad

> On Jul 7, 2016, at 9:57 AM, Matt McCormick <matt.mccormick at kitware.com> wrote:
> 
> Following up, this issue was addressed in this patch:
> 
>  http://review.source.kitware.com/#/c/21296/
> 
> and pushed upstream here:
> 
>  https://github.com/vxl/vxl/pull/337
> 
> It will be included in the ITK 4.10.1 release.
> 
> On Fri, Jul 1, 2016 at 4:45 AM, Tom Vercauteren <tom.vercauteren at m4x.org> wrote:
>> Dear all,
>> 
>> Sorry for the cross-posting but this refers to an issue linking both ITK and
>> VNL.
>> 
>> In 2010, we identified a licensing issue with some code from vnl and at the
>> time Luis Ibanez fixed it from the ITK side:
>> https://issues.itk.org/jira/browse/HISTITK-1160
>> 
>> Luis notably rewrote the LSQR code:
>> https://github.com/InsightSoftwareConsortium/ITK/tree/release-3.20/Utilities/vxl/v3p/netlib/linalg
>> http://svn.na-mic.org/NAMICSandBox/trunk/SparseLinearSolverConversion/C++/
>> https://github.com/InsightSoftwareConsortium/ITK/commits/release-3.20/Utilities/vxl/v3p/netlib/linalg
>> 
>> It seems that this effort was not backported to VXL and was subsequently
>> lost when moving to ITK 4:
>> https://github.com/InsightSoftwareConsortium/ITK/tree/master/Modules/ThirdParty/VNL/src/vxl/v3p/netlib/linalg
>> 
>> It would be great if someone could look into this (important) licensing
>> issue.
>> 
>> For the only purpose of LSQR, I copied the LSQR NAMICSandBox code in a
>> standalone github repo here:
>> https://github.com/tvercaut/LSQR-cpp
>> 
>> I have also added a comment in the ITK and VXL bug trackers:
>> https://issues.itk.org/jira/browse/HISTITK-1160
>> https://github.com/vxl/vxl/issues/332
>> 
>> Best wishes,
>> Tom
>> 
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