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zmij (1.0.21)

Published 2026-03-26 11:07:04 +00:00 by siennathesane

Installation

Set up this registry in the Cargo configuration file (for example ~/.cargo/config.toml):

[registry]
default = "gitea"

[registries.gitea]
index = "sparse+" # Sparse index
# index = "" # Git

[net]
git-fetch-with-cli = true

To install the package using Cargo, run the following command:

cargo add zmij@1.0.21

For more information on the Cargo registry, see the documentation.

About this package

A double-to-string conversion algorithm based on Schubfach and yy

Żmij

Pure Rust implementation of Żmij, an algorithm to quickly convert floating point numbers to decimal strings.

This Rust implementation is a line-by-line port of Victor Zverovich's implementation in C++, https://github.com/vitaut/zmij.

Example

fn main() {
    let mut buffer = zmij::Buffer::new();
    let printed = buffer.format(1.234);
    assert_eq!(printed, "1.234");
}

Performance

The dtoa-benchmark compares this library and other Rust floating point formatting implementations across a range of precisions. The vertical axis in this chart shows nanoseconds taken by a single execution of zmij::Buffer::new().format_finite(value) so a lower result indicates a faster library.

License

MIT license.

Dependencies

ID	Version
no-panic	^0.1.36
num-bigint	^0.4
num-integer	^0.1
num_cpus	^1.8
opt-level	^1
rand	^0.10
ryu	^1
criterion	^0.8

Keywords

float

Details

Cargo

2026-03-26 11:07:04 +00:00

0

David Tolnay <dtolnay@gmail.com>

Repository Site

Documentation Site

MIT

25 KiB

Assets (1)

zmij-1.0.21.crate 25 KiB

Versions (1) View all

1.0.21 2026-03-26