`exact` applied to NaNs and infinites returns `-2147483648` about cyclone HOT 6 CLOSED

Thanks for the report! I agree this would be a better behavior.

We could also do a better job computing exact for large double's. These should be converted to bignums if they are outside the fixnum range.

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Added code to signal an error when exact receives a NAN or infinite value.

Also tightened up support for other types of edge cases involving doubles, bignums, and complex numbers.

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Yes, I've just tested and it works fine here! Thanks!
I guess this PR can be closed...

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We could also do a better job computing exact for large double's. These should be converted to bignums if they are outside the fixnum range.

That would be great!

Also, since you mentioned, I see that Cyclone has a bignum? predicate, but not fixnum?. Maybe it would be nice to have the latter too?

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There is a fixnum? procedure, though it is a bit buried in SRFI 143 rather than always being included in the REPL environment: https://github.com/justinethier/cyclone/blob/master/docs/api/srfi/143.md

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There is a fixnum? procedure, though it is a bit buried in SRFI 143 rather than always being included in the REPL environment: https://github.com/justinethier/cyclone/blob/master/docs/api/srfi/143.md

Isn't it convenient / useful enough to have in the REPL environment? (Not really complaining -- it it's there, it's good enough already!)

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