Re: gplot.txt

[Ben Abbott]

On Mar 4, 2016, at 07:00, Ben Abbott <address@hidden> wrote:

>> On Mar 4, 2016, at 1:26 AM, Lachlan Andrew <address@hidden> wrote:
>> 
>>> On 4 March 2016 at 16:37, Daniel J Sebald <address@hidden> wrote:
>>> 
>>> assign memory even from the start--not a bad strategy.  However, at that
>>> point, the member pointers r and d are initialized as r(0) and d(0).  And
>>> 2)
>>>     delete [] r;
>>> 
>>> Now, the first line of code is more questionable.  Typically one isn't
>>> supposed to delete a NULL pointer.
>> 
>> Good catch, but deleting NULL pointers is valid in all
>> standards-compliant compilers, and some people advocate that rather
>> than checking for NULL first.  See the discussion at
>> 
>> http://stackoverflow.com/questions/4190703/is-it-safe-to-delete-a-null-pointer#4190737
>> 
>> Cheers,
>> Lachlan
> 
> I tried bisecting again. The results I got is below. Many changes needed to 
> be skipped because the default branch wouldn’t build on Mac OS X.
> 
> Due to skipped revisions, the first bad revision could be any of:
> changeset:   21210:4f7d3989c462
> user:        John W. Eaton <address@hidden>
> date:        Sat Feb 06 07:43:32 2016 -0500
> summary:     move UMFPACK_DNAME and UMFPACK_ZNAME macros to oct-sparse.h
> 
> changeset:   21211:2cf8bc5c7017
> user:        John W. Eaton <address@hidden>
> date:        Sat Feb 06 08:48:47 2016 -0500
> summary:     use "#if defined (HAVE_FOO)" instead of "#if HAVE_FOO" for 
> feature tests
> 
> changeset:   21212:7eca4ba9bb6d
> user:        John W. Eaton <address@hidden>
> date:        Sat Feb 06 19:18:59 2016 -0500
> summary:     also distribute octave.css from source tree
> 
> changeset:   21213:f7d1050b9b53
> user:        Rik <address@hidden>
> date:        Sat Feb 06 18:22:32 2016 -0800
> summary:     maint: Clean up various usages of #ifdef.
> 
> changeset:   21214:7be1f58f9dd7
> user:        John W. Eaton <address@hidden>
> date:        Sun Feb 07 02:03:58 2016 -0500
> summary:     don't strip pipe character from command in drawnow function
> 
> changeset:   21215:04866fac690a
> user:        Ben Abbott <address@hidden>
> date:        Sun Feb 07 02:21:37 2016 -0500
> summary:     use template keyword to handle dependent template names
> 
> I’ll try Dan’s patch (since I’m using Apple’s clang, and they often don’t 
> conform to other “standards”. Then I’ll try backingout the above changes 
> until I find the culprit.
> 
> Ben

Dan's patch didn't resolve the speye segfault. I'll move on to the changesets 
isolated by bisecting.

Ben