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# num-traits
[](https://crates.io/crates/num-traits)
[](https://docs.rs/num-traits)
[](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
[](https://github.com/rust-num/num-traits/actions)
Numeric traits for generic mathematics in Rust.
## Usage
Add this to your `Cargo.toml`:
```toml
[dependencies]
num-traits = "0.2"
```
## Features
This crate can be used without the standard library (`#![no_std]`) by disabling
the default `std` feature. Use this in `Cargo.toml`:
```toml
[dependencies.num-traits]
version = "0.2"
default-features = false
# features = ["libm"] # <--- Uncomment if you wish to use `Float` and `Real` without `std`
```
The `Float` and `Real` traits are only available when either `std` or `libm` is enabled.
The `FloatCore` trait is always available. `MulAdd` and `MulAddAssign` for `f32`
and `f64` also require `std` or `libm`, as do implementations of signed and floating-
point exponents in `Pow`.
## Releases
Release notes are available in [RELEASES.md](RELEASES.md).
## Compatibility
The `num-traits` crate is tested for rustc 1.60 and greater.
## License
Licensed under either of
* [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
* [MIT license](http://opensource.org/licenses/MIT)
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.
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