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[Octave-bug-tracker] [bug #49517] [mxe] failing tests in 64bit built (ac


From: Hartmut
Subject: [Octave-bug-tracker] [bug #49517] [mxe] failing tests in 64bit built (accuracy related)
Date: Wed, 2 Nov 2016 19:02:29 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0

URL:
  <http://savannah.gnu.org/bugs/?49517>

                 Summary: [mxe] failing tests in 64bit built (accuracy
related)
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Wed 02 Nov 2016 07:02:26 PM GMT
                Category: Test Suite
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Inaccurate Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.0-rc3
        Operating System: Microsoft Windows

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Details:

I have installed the "official" Octave-4.2.0-rc3 Windows installer from
alpha.gnu.org in its 64bit flavour on a Win7 system (I am not sure what kind
of "64bit" is inside this installer).

I see the following failing tests:
* publish.m as reported in bug #49501
* eig.cc-tst as reported in bug #49470
* Two more failing tests, which seem to be accuracy related (as bug #49470).
They happen in "axis.m" and in "assert.m".

These are the relevant parts from fntest.log for those two "new" test
failures:


>>>>> processing
C:\Octave\Octave-4.2.0-rc3-w64\share\octave\4.2.0-rc3\m\plot\appearance\axis.m
***** test
 hf = figure ("visible", "off");
 unwind_protect
   a = logspace (-5, 1, 10);
   loglog (a, -a);
   axis tight;
   assert (axis (), [1e-5, 10, -10, -1e-5]);
 unwind_protect_cleanup
   close (hf);
 end_unwind_protect
!!!!! test failed
ASSERT errors for:  assert (axis (),[1e-5, 10, -10, -1e-5])

  Location  |  Observed  |  Expected  |  Reason
    (1)         1e-005       1e-005      Abs err 5.0822e-021 exceeds tol 0
    (4)        -1e-005      -1e-005      Abs err 5.0822e-021 exceeds tol 0



>>>>> processing
C:\Octave\Octave-4.2.0-rc3-w64\share\octave\4.2.0-rc3\m\testfun\assert.m
***** test
 x = [-40:0];
 y1 = (10.^x).*(10.^x);
 y2 = 10.^(2*x);
 assert (y1, y2, eps (y1));
 fail ("assert (y1, y2 + eps*1e-70, eps (y1))");
!!!!! test failed
ASSERT errors for:  assert (y1,y2,eps (y1))

  Location  |  Observed  |  Expected  |  Reason
    (11)        1e-060       1e-060      Abs err 4.1454e-076 exceeds tol
1.3818e-076
    (13)        1e-056       1e-056      Abs err 3.3959e-072 exceeds tol
1.132e-072
    (14)        1e-054       1e-054      Abs err 4.3467e-070 exceeds tol
1.4489e-070
    (19)        1e-044       1e-044      Abs err 3.7338e-060 exceeds tol
1.2446e-060
    (22)        1e-038       1e-038      Abs err 2.6101e-054 exceeds tol
1.3051e-054
    (23)        1e-036       1e-036      Abs err 3.341e-052 exceeds tol
1.6705e-052
    (27)        1e-028       1e-028      Abs err 2.2421e-044 exceeds tol
1.121e-044
    (29)        1e-024       1e-024      Abs err 3.6734e-040 exceeds tol
1.8367e-040


I don't know if those test failures would also happen in a "64bit" built under
linux.




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