Message 335994 - Python tracker

Message335994

Author	rhettinger
Recipients	lschoe, mark.dickinson, pablogsal, rhettinger, skrah, steven.daprano, tim.peters
Date	2019-02-19.18:27:48
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1550600868.25.0.514000814856.issue36027@roundup.psfhosted.org>
In-reply-to

Content
> +1 for the pow(value, -1, modulus) spelling. It should raise > `ValueError` if `value` and `modulus` are not relatively prime. > It would feel odd to me _not_ to extend this to > `pow(value, n, modulus)` for all negative `n`, again > valid only only if `value` is relatively prime to `modulus`. I'll work up a PR using the simplest implementation. Once that's in with tests and docs, it's fair game for someone to propose algorithmic optimizations.

Content

> +1 for the pow(value, -1, modulus) spelling. It should raise
> `ValueError` if `value` and `modulus` are not relatively prime.

> It would feel odd to me _not_ to extend this to 
> `pow(value, n, modulus)` for all negative `n`, again
> valid only only if `value` is relatively prime to `modulus`.

I'll work up a PR using the simplest implementation.  Once that's in with tests and docs, it's fair game for someone to propose algorithmic optimizations.

History
Date	User	Action	Args
2019-02-19 18:27:48	rhettinger	set	recipients: + rhettinger, tim.peters, mark.dickinson, steven.daprano, skrah, pablogsal, lschoe
2019-02-19 18:27:48	rhettinger	set	messageid: <1550600868.25.0.514000814856.issue36027@roundup.psfhosted.org>
2019-02-19 18:27:48	rhettinger	link	issue36027 messages
2019-02-19 18:27:48	rhettinger	create