Change Details

``` These functions count the number of trailing zeroes in non-zero integers. ``` Partial backport of secp256k1#831: https://github.com/bitcoin-core/secp256k1/pull/831/commits/de0a643c3dc2c40a447e670cfa1c1683c79c9297

``` These functions count the number of trailing zeroes in non-zero integers. ``` Partial backport of [[https://github.com/bitcoin-core/secp256k1/pull/831 | secp256k1#831]]: https://github.com/bitcoin-core/secp256k1/pull/831/commits/de0a643c3dc2c40a447e670cfa1c1683c79c9297

``` These functions count the number of trailing zeroes in non-zero integers. ``` Partial backport of [[https://github.com/bitcoin-core/secp256k1/pull/831 | secp256k1#831:]]: https://github.com/bitcoin-core/secp256k1/pull/831/commits/de0a643c3dc2c40a447e670cfa1c1683c79c9297