[Octave-bug-tracker] [bug #47775] realpow and sparse-xpow.cc-tst fails

[Rik]

Follow-up Comment #9, bug #47775 (project octave):

I am very reluctant to increase the tolerance on BIST tests when they have
always worked in the past.  Historically, the very strict tolerances have led
us to find real bugs which would have been ignored if we had just defaulted to
relaxing the tolerances rather than finding the true problem.

In this case, the difference in realpow is very significant and not just a
tolerance issue.  A complex result is very, very different from a real
result.

If we need to blacklist a compiler, or use different options, then that is
what we need to discover.  But most compilers haven't had a problem.

I like Mike's suggestion to test with the -std option.  It doesn't seem that
there is any reason to run the full make check either.  I believe just


./configure --necessary_options
make
run-octave -f
test realpow


should be enough.


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