rust-num / Num
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num
A collection of numeric types and traits for Rust.
This includes new types for big integers, rationals (aka fractions), and complex numbers,
new traits for generic programming on numeric properties like Integer,
and generic range iterators.
num is a meta-crate, re-exporting items from these sub-crates:
| Repository | Crate | Documentation |
|---|---|---|
num-bigint |
 |
 |
num-complex |
 |
 |
num-integer |
 |
 |
num-iter |
 |
 |
num-rational |
 |
 |
num-traits |
 |
 |
(num-derive) |
 |
 |
Note: num-derive is listed here for reference, but it's not directly included
in num. This is a proc-macro crate for deriving some of num's traits.
Usage
Add this to your Cargo.toml:
[dependencies]
num = "0.4"
Features
This crate can be used without the standard library (#![no_std]) by disabling
the default std feature. Use this in Cargo.toml:
[dependencies.num]
version = "0.4"
default-features = false
The num-bigint crate requires the std feature, or the alloc feature may
be used instead with Rust 1.36 and later. Other sub-crates may also have
limited functionality when used without std.
The libm feature uses pure-Rust floating point implementations in no_std
builds, enabling the Float trait and related Complex methods.
The rand feature enables randomization traits in num-bigint and
num-complex.
The serde feature enables serialization for types in num-bigint,
num-complex, and num-rational.
The num meta-crate no longer supports features to toggle the inclusion of
the individual sub-crates. If you need such control, you are recommended to
directly depend on your required crates instead.
Releases
Release notes are available in RELEASES.md.
Compatibility
The num crate as a whole is tested for rustc 1.31 and greater.
The num-traits, num-integer, and num-iter crates are individually tested
for rustc 1.8 and greater, if you require such older compatibility.
License
Licensed under either of
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.