# Release 0.2.0 (pending)

- :warning: [num-bigint now requires rustc 1.15 or greater][23].
- :warning: [`Shr for BigInt` now rounds down][8] rather than toward zero,
  matching the behavior of the primitive integers for negative values.

**Contributors**: @cuviper

[8]: https://github.com/rust-num/num-bigint/pull/8
[23]: https://github.com/rust-num/num-bigint/pull/23


# Release 0.1.43

- [The new `BigInt::modpow`][18] performs signed modular exponentiation, using
  the existing `BigUint::modpow` and rounding negatives similar to `mod_floor`.

**Contributors**: @cuviper

[18]: https://github.com/rust-num/num-bigint/pull/18


# Release 0.1.42

- [num-bigint now has its own source repository][num-356] at [rust-num/num-bigint][home].
- [`lcm` now avoids creating a large intermediate product][num-350].
- [`gcd` now uses Stein's algorithm][15] with faster shifts instead of division.
- [`rand` support is now extended to 0.4][11] (while still allowing 0.3).

**Contributors**: @cuviper, @Emerentius, @ignatenkobrain, @mhogrefe

[home]: https://github.com/rust-num/num-bigint
[num-350]: https://github.com/rust-num/num/pull/350
[num-356]: https://github.com/rust-num/num/pull/356
[11]: https://github.com/rust-num/num-bigint/pull/11
[15]: https://github.com/rust-num/num-bigint/pull/15


# Prior releases

No prior release notes were kept.  Thanks all the same to the many
contributors that have made this crate what it is!