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Xoroshiro128+ is the current default non-cryptographic random number generator. This algorithm was designed to generate floating-point numbers, by only using the top 53 bits. Lower bits have a significant bias, that contradicts the documented properties for `rand.DefaultPrng`. This also has implications on everything using `Random.fill()`, including the way we generate random floating-point numbers. In addition, Xoroshiro128+ has known issues. See for example: - https://lemire.me/blog/2017/08/22/cracking-random-number-generators-xoroshiro128/ - https://www.pcg-random.org/posts/xoroshiro-fails-truncated.html Xoshiro256++ addresses these issues, while remaining very fast.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Resources
- Introduction
- Download & Documentation
- Chapter 0 - Getting Started | ZigLearn.org
- Community
- Contributing
- Code of Conduct
- Frequently Asked Questions
- Community Projects
Installation
- download a pre-built binary
- install from a package manager
- build from source
- bootstrap zig for any target
License
The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.