Re: Release 5.0 Next Tasks

[Andrew Janke]

On 1/21/19 4:46 AM, Marco Caliari wrote:
> On Sun, 20 Jan 2019 20:45:04 -0500
> Andrew Janke <address@hidden> wrote:
>
> > >    
> >
> > There are still some tests in the test suite failing on macOS for me.
> >
> > Run on 1/120/2019 against about commit 2ae2dcf0f4d5.
> >
> > Summary:
> >
> >     PASS                            15453
> >     FAIL                               10
> >     XFAIL (reported bug)               43
> >     SKIP (missing feature)             48
> >     SKIP (run-time condition)          29
> >
> >     Failed tests:
> >        libinterp/corefcn/pr-output.cc-tst
> >        libinterp/parse-tree/oct-parse.yy-tst
> >        general/logspace.m
> >        miscellaneous/tar.m
> >        plot/util/copyobj.m
> >        plot/util/hgsave.m
> >        sparse/eigs.m
> >
> > Is the goal to have a clean test suite baseline for the release?
> >
> > Cheers,
> > Andrew
>
> The problem in eigs is strange, the matrix and the function versions should
> do exactly the same thing. Therefore, I implemented the assert
> instructions with 0 tolerance. Anyway, the workaround is to relax a bit the
> tolerance, 1e-14 should work.
>
> Marco

Relaxing the tolerance may not work, or may not be the right thing to do 
here. The errors in eigs are larger than 1e-14 in some spots:

   (2,1)        14.655       14.655      Abs err 1.1969e-11 exceeds tol 
0 by 1e-11
   (3,1)       12.7518      12.7518      Abs err 2.3062e-11 exceeds tol 
0 by 2e-11
   (4,1)       -46.9129     -46.9129     Abs err 8.7681e-11 exceeds tol 
0 by 9e-11

I don't know enough about BLAS stuff to know how significant that is.

I've filed a bug report on it and discussion is going on there: 
https://savannah.gnu.org/bugs/?55534

Andrew