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A safe wrapper of Berkeley SoftFloat based on softfloat-sys. WASM-compatible version

License: Apache License 2.0

Rust 100.00%

softfloat-wrapper's Introduction

softfloat-wrapper

softfloat-wrapper is a safe wrapper of Berkeley SoftFloat based on softfloat-sys.

Actions Status Crates.io Docs.rs

Requirements

  • Rust 1.64 - core::ffi types in stable
  • rustfmt - used by bindgen to format bindings
  • clang and libclang - used by bindgen to generate some bindings

Usage

[dependencies.softfloat-wrapper]
git = "https://github.com/tacanslabs/softfloat-sys.git"

Example

use softfloat_wrapper::{Float, F16, RoundingMode};

fn main() {
    let a = 0x1234;
    let b = 0x1479;

    let a = F16::from_bits(a);
    let b = F16::from_bits(b);
    let d = a.add(b, RoundingMode::TiesToEven);

    let a = f32::from_bits(a.to_f32(RoundingMode::TiesToEven).to_bits());
    let b = f32::from_bits(b.to_f32(RoundingMode::TiesToEven).to_bits());
    let d = f32::from_bits(d.to_f32(RoundingMode::TiesToEven).to_bits());

    println!("{} + {} = {}", a, b, d);
}

Features

Compared to 0.3.x, architecture specializations are chosen through target triple. Architectures properly supported ATM:

  • Linux x86-64
  • Wasm32

Actual feature gates:

  • native-float - enables conversions from and to native floating-point types
  • f128 - enables quad-precision F128 type

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.

softfloat-wrapper's People

Contributors

dalance avatar target-san avatar msyksphinz-self avatar johnbox avatar dependabot-preview[bot] avatar

Watchers

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