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Copying Rob's one-liner into my system gives yet another answer:

-1+1.22464679914735e-16i

Using perl -v, my perl is "

This is perl 5, version 32, subversion 1 (v5.32.1) built for x86_64-linux-gnu-thread-multi
". Possibly different compilers or options used to build the executables. As somebody who has dealt with floating point issues, 10**(-16) in a operation return like this is frequently noise. I'd not expect perl to return exactly zero to sin(pi) and I don't get it, but 1.22464679914735e-16.

That's hinting at something, but I'm not quite sure what.

Tried (and hopefully succeeded) in fixing the formatting, so my reply isn't in my sig.


Information about American English usage here and here. Floating point issues? Please read this before posting. — emc


In reply to Re^4: Euler's identity in Raku by swampyankee
in thread Euler's identity in Raku by tomasz

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