[Octave-bug-tracker] [bug #37455] tests do not distinguish -0

[Michael Godfrey]

Follow-up Comment #8, bug #37455 (project octave):

After some more study, it seems to me that implementing
signbit  as in C++ is the best choice.  copybit could
also be implemented at the same time, but seems much less
important.  It appears that signbit could go in lo-mappers.cc
without much trouble.

An alternative would be to modify the current sign
so that sign(-0) returns -1 instead of 0.  This would not
be incompatible with Matlab since it does not use -0, but
might be confusing.

Comments?


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