@stdlib/array
Arrays.
Last updated 9 days ago by stdlib-bot .
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$ npm install @stdlib/array 
SYNC missed versions from official npm registry.
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Arrays

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Arrays.

Installation

npm install @stdlib/array

Usage

var ns = require( '@stdlib/array' );

ns

Arrays.

var o = ns;
// returns {...}

The namespace exports the following array constructors:

  • ArrayBuffer( size ): constructor which returns an object used to represent a generic, fixed-length raw binary data buffer.
  • Float32Array(): typed array constructor which returns a typed array representing an array of single-precision floating-point numbers in the platform byte order.
  • Float64Array(): typed array constructor which returns a typed array representing an array of double-precision floating-point numbers in the platform byte order.
  • Int16Array(): typed array constructor which returns a typed array representing an array of twos-complement 16-bit signed integers in the platform byte order.
  • Int32Array(): typed array constructor which returns a typed array representing an array of twos-complement 32-bit signed integers in the platform byte order.
  • Int8Array(): typed array constructor which returns a typed array representing an array of twos-complement 8-bit signed integers in the platform byte order.
  • SharedArrayBuffer( size ): constructor returning an object used to represent a generic, fixed-length raw binary data buffer which can be used to create views of shared memory.
  • Uint16Array(): typed array constructor which returns a typed array representing an array of 16-bit unsigned integers in the platform byte order.
  • Uint32Array(): typed array constructor which returns a typed array representing an array of 32-bit unsigned integers in the platform byte order.
  • Uint8Array(): typed array constructor which returns a typed array representing an array of 8-bit unsigned integers in the platform byte order.
  • Uint8ClampedArray(): typed array constructor which returns a typed array representing an array of 8-bit unsigned integers in the platform byte order clamped to 0-255.
var arr = new ns.Int32Array( 5 );
// returns <Int32Array>[ 0, 0, 0, 0, 0 ]

Alternatively, use the typedarray function to create a typed array of a given data type:

var arr1 = ns.typedarray( 5 );
// returns <Float64Array>[ 0.0, 0.0, 0.0, 0.0, 0.0 ]

var arr2 = ns.typedarray( 5, 'uint8' );
// returns <Uint8Array>[ 0, 0, 0, 0, 0 ]

The namespace contains functions to create arrays pre-filled with spaced values:

You can use the following functions to retrieve a list of available data types:

Furthermore, the namespace contains utility functions to retrieve a given constructor:

var ctor = ns.typedarrayCtors( 'float64' );
// returns <Function>

ctor = ns.typedarrayCtors( 'int' );
// returns null

Lastly, the namespace contains various other functions for dealing with arrays, including functions to convert arrays from one data type to another or to serialize them as JSON and vice versa.

Examples

var objectKeys = require( '@stdlib/utils/keys' );
var ns = require( '@stdlib/array' );

console.log( objectKeys( ns ) );

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

Chat


License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.

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