43 lines
1.7 KiB
Markdown
43 lines
1.7 KiB
Markdown
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# Żmij
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[<img alt="github" src="https://img.shields.io/badge/github-dtolnay/zmij-8da0cb?style=for-the-badge&labelColor=555555&logo=github" height="20">](https://github.com/dtolnay/zmij)
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[<img alt="crates.io" src="https://img.shields.io/crates/v/zmij.svg?style=for-the-badge&color=fc8d62&logo=rust" height="20">](https://crates.io/crates/zmij)
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[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-zmij-66c2a5?style=for-the-badge&labelColor=555555&logo=docs.rs" height="20">](https://docs.rs/zmij)
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[<img alt="build status" src="https://img.shields.io/github/actions/workflow/status/dtolnay/zmij/ci.yml?branch=master&style=for-the-badge" height="20">](https://github.com/dtolnay/zmij/actions?query=branch%3Amaster)
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Pure Rust implementation of Żmij, an algorithm to quickly convert floating point
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numbers to decimal strings.
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This Rust implementation is a line-by-line port of Victor Zverovich's
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implementation in C++, [https://github.com/vitaut/zmij][upstream].
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[upstream]: https://github.com/vitaut/zmij/tree/b35b64a2ba63da9ea7c0a72fd2651e89743966c9
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## Example
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```rust
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fn main() {
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let mut buffer = zmij::Buffer::new();
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let printed = buffer.format(1.234);
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assert_eq!(printed, "1.234");
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}
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```
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## Performance
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The [dtoa-benchmark] compares this library and other Rust floating point
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formatting implementations across a range of precisions. The vertical axis in
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this chart shows nanoseconds taken by a single execution of
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`zmij::Buffer::new().format_finite(value)` so a lower result indicates a faster
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library.
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[dtoa-benchmark]: https://github.com/dtolnay/dtoa-benchmark
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<br>
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#### License
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<a href="LICENSE-MIT">MIT license</a>.
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