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isColumnMajor

Given a stride array, determine whether an array is column-major.

Usage

import isColumnMajor from 'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-assert-is-column-major@deno/mod.js';

isColumnMajor( strides )

Returns a boolean indicating if an array is column-major based on a provided stride array.

var bool = isColumnMajor( [ 1, 2 ] );
// returns true

bool = isColumnMajor( [ 2, 1 ] );
// returns false

Examples

import shape2strides from 'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-shape2strides@deno/mod.js';
import isColumnMajor from 'https://cdn.jsdelivr.net/gh/stdlib-js/ndarray-base-assert-is-column-major@deno/mod.js';

var shape = [ 10, 10, 10 ];

var strides = shape2strides( shape, 'column-major' );
// returns [ 1, 10, 100 ]

var bool = isColumnMajor( strides );
// returns true

strides = shape2strides( shape, 'row-major' );
// returns [ 100, 10, 1 ]

bool = isColumnMajor( strides );
// returns false

Notice

This package is part of stdlib, a standard library 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

License

See LICENSE.

Copyright

Copyright © 2016-2025. The Stdlib Authors.

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License

stdlib-js/ndarray-base-assert-is-column-major

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