bv-little: Efficient little-endian bit vector library

[ bit-vectors, bsd3, data, library ] [ Propose Tags ] [ Report a vulnerability ]

. This package contains a time- and space- efficient implementation of little-endian, immutable bit vectors. Provides implementations of applicable typeclasses and numeric conversions. . The declared cost of each operation is either worst-case or amortized. . For an implementation of big-endian, immutable bit vectors use the bv package. . For an implementation of little-endian, mutable bit vectors, use the bitvec package.

[Skip to Readme]

library bv-little

Modules

[Index]

Data
- BitVector
  - Data.BitVector.LittleEndian

library bv-little:instances-text-show

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.TextShow

library bv-little:instances-quickcheck

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.QuickCheck

library bv-little:instances-mono-traversable-keys

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.MonoKeyed

library bv-little:instances-mono-traversable

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.MonoTraversable

library bv-little:instances-binary

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.Binary

library bv-little:instances

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.Instances

library bv-little:core

Modules

[Index]

Data
- BitVector
  - LittleEndian
    - Data.BitVector.LittleEndian.Internal

Downloads

bv-little-1.3.2.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

Maintainer's Corner

Package maintainers

recursion_ninja

For package maintainers and hackage trustees

edit package information

Candidates

0.1.0.0, 0.1.1, 0.1.2, 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.3.0, 1.3.1, 1.3.2

Versions [RSS]	0.1.0.0, 0.1.1, 0.1.2, 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.3.0, 1.3.1, 1.3.2
Change log	changelog.md
Dependencies	base (>=4.16.1 && <5), binary (>=0.8), bv-little, deepseq (>=1.4.6), hashable (>=1.3), integer-gmp (>=1.1), keys (>=3.12), mono-traversable (>=1.0.5.0), mono-traversable-keys (>=0.2), primitive (>=0.7.2), QuickCheck (>=2.14.2), text-show (>=3.9) [details]
Tested with	ghc ==9.6.2, ghc ==9.4.5, ghc ==9.2.8, ghc ==9.2.3
License	BSD-3-Clause
Copyright	(c) Alex Washburn 2020
Author	Alex Washburn
Maintainer	hackage@recursion.ninja
Category	Data, Bit Vectors
Home page	https://github.com/recursion-ninja/bv-little
Bug tracker	https://github.com/recursion-ninja/bv-little/issues
Source repo	head: git clone https://github.com/recursion-ninja/bv-little
Uploaded	by recursion_ninja at 2023-10-03T21:34:16Z
Distributions	LTSHaskell:1.3.2, NixOS:1.3.2, Stackage:1.3.2
Reverse Dependencies	3 direct, 0 indirect [details]
Downloads	4151 total (40 in the last 30 days)
Rating	2.0 (votes: 1) [estimated by Bayesian average]
Your Rating	λ λ λ
Status	Docs uploaded by user Build status unknown [no reports yet]

Readme for bv-little-1.3.2

[back to package description]

Efficient little-endian bit vector Haskell library

This package contains an efficient implementation of little-endian, immutable bit vectors. It implements most applicable type-classes and also conversions to and from signed or unsigned numbers.

For an implementation of big-endian, immutable bit vectors, use the bv package.

For an implementation of little-endian, mutable bit vectors, use the bitvec package.

Accessing type-class instances

This package utilizes the "multiple sub-libraries" feature of Cabal. The intended usage is an "opt-in" dependency footprint for the bv-little package, as not all type-class instances which are defined are exposed by default. Therefore package consumers can select which, if any, type-class instances outside of the core libraries they wish to have exposed and transitively depend on the associated package(s).

New type-class instance exposure procedure:

All BitVector instances of type-classes defined in base are exported by default from the Data.BitVector.LittleEndian module.
Each BitVector instance of a type-class defined in a package other than base is exposed through a specific sub-library dependency and a special exposing module.

To access an instance of a type-class defined outside base, add the requisite sub-library to your build-depends and import the corresponding exposing module within your code-base.

Sub-library Dependency	Exposing Module	Type-class Instance(s)
`bv-little:instances-binary`	`Data.BitVector.LittleEndian.Binary`	`Binary`
`bv-little:instances-mono-traversable`	`Data.BitVector.LittleEndian.MonoTraversable`	`MonoFoldable` `MonoFunctor` `MonoTraversable`
`bv-little:instances-mono-traversable-keys`	`Data.BitVector.LittleEndian.MonoKeyed`	`MonoAdjustable` `MonoFoldableWithKey` `MonoIndexable` `MonoKeyed` `MonoLookup` `MonoTraversableWithKey` `MonoZip` `MonoZipWithKey`
`bv-little:instances-quickcheck`	`Data.BitVector.LittleEndian.QuickCheck`	`Arbitrary` `CoArbitrary`
`bv-little:instances-text-show`	`Data.BitVector.LittleEndian.TextShow`	`TextShow`

Tests

The test suite ensures that all type-class instances are "lawful" and that data-structure–specific functionality is well defined.

The TestSuite.hs file contains the specification. It can be run by invoking any of the following commands:

cabal test
stack test

Benchmarks

The benchmarks provide an empyrical check for the asymptotic complexity of data structure operations and also provide easy metrics for detecting performance regressions.

The Benchmarks.hs file contains these metrics. It can be run by invoking any of the following commands:

cabal bench
stack bench