GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
A new method, Integer#mod_pow.
x.mod_pow(a, m) -> (x**a) % m
@metanest Could you write tests for the new feature?
implemented Integer#pow, which calcs:
a.pow(b) == a**b
a.pow(b, m) == a**b % m
more defensive dispatch for Bignum type
add 2nd argument tyoe check
mod pow often used for crypto, so may be it's better to use mpz_powm_sec?
MEMO: The corresponding issue is https://bugs.ruby-lang.org/issues/12508