[](https://travis-ci.org/status-im/nim-stint)
[](https://ci.appveyor.com/project/nimbus/nim-stint)
A fast and portable stack-based multi-precision integer library in pure Nim
Main focus:
- Portability
- 32 and 64 bit arch
- ARM for usage on mobile phones
- Additionally RISC-V and MIPS for open hardware and low power IoT devices.
- Speed, library is carefully tuned to produce the best assembly given the current compilers.
However, the library itself does not resort to assembly for portability.
- No heap/dynamic allocation
- Ethereum applications
- Uint256/Int256 for Ethereum Virtual Machine usage.
- Uint2048 for Ethereum Bloom filters
- Ease of use:
- Use traditional `+`, `-`, `+=`, etc operators like on native types
- Representation of numbers in memory is the exact same as native types and endianness aware.
- In practice that means that interfacing with binary blobs representing numbers from cryptographic libraries can be done with a `cast` if it represents a Uint256, Uint512, Uint1024, Uint2048.
- converting to and from Hex
- converting to and from decimal strings
## License
Licensed and distributed under either of
* MIT license: [LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT
or
* Apache License, Version 2.0, ([LICENSE-APACHEv2](LICENSE-APACHEv2) or http://www.apache.org/licenses/LICENSE-2.0)
at your option. This file may not be copied, modified, or distributed except according to those terms.
