Implement support for non-integer values for BigNumber factorial

[sonnyk22]

When I config the library to use BigNumber, Unfortunately it is throwing an exception, but it works fine when it is set to number. In the calculator application I am implementing, it is important for me to have it defaulted to BigNumber setting.

Sample code:

Result:

[josdejong]

The BigNumber implementation of factorial lacks support for decimals. I will put this as a feature request and update the title of the issue accordingly.

[sonnyk22]

Thank you!

[avianey]

any update on this ?

[josdejong]

No progress yet.

Anyone interested in picking this one up?

[thetazero]

This seems to still be an issue, I'll take it up

[josdejong]

Thanks @thetazero 👍