[Octave-bug-tracker] [bug #60797] sqrtm: returns nan for matrix of ones with rows and columns >=4

[Markus Mützel]

Follow-up Comment #4, bug #60797 (project octave):

The 32bit Windows runner is failing this test:
https://github.com/gnu-octave/octave-buildbot/runs/4433396804?check_suite_focus=true#step:10:87936

>>>>> processing
D:\a\OCTAVE~1\OCTAVE~1\OCTAVE~1\mingw32\share\octave\7.0.1\etc\tests\libinterp\corefcn\sqrtm.cc-tst
***** assert (real (sqrtm (ones (4))), 0.5*ones (4), 4*eps)
!!!!! test failed
ASSERT errors for:  assert (real (sqrtm (ones (4))),0.5 * ones (4),4 * eps)

  Location  |  Observed  |  Expected  |  Reason
   (1,3)       0.024457       0.5        Abs err 0.47554 exceeds tol
8.8818e-16 by 0.5
   (2,3)       0.65851        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2
   (3,3)       0.65851        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2
   (4,3)       0.65851        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2
   (1,4)       0.97554        0.5        Abs err 0.47554 exceeds tol
8.8818e-16 by 0.5
   (2,4)       0.34149        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2
   (3,4)       0.34149        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2
   (4,4)       0.34149        0.5        Abs err 0.15851 exceeds tol
8.8818e-16 by 0.2


I'm not sure why only the 32bit runner seems to be affected. 

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