time-to-botec/js/node_modules/@stdlib/assert/is-ndarray-like
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Necessary in order to clearly see the squiggle hotwiring.
2022-12-03 12:44:49 +00:00
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isndarrayLike

Test if a value is ndarray-like.

Usage

var isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );

isndarrayLike( value )

Tests if a value is ndarray-like.

var ndarray = require( '@stdlib/ndarray/ctor' );

var arr = ndarray( 'generic', [ 0, 0, 0, 0 ], [ 2, 2 ], [ 2, 1 ], 0, 'row-major' );
var bool = isndarrayLike( arr );
// returns true

A value is ndarray-like if a value is an object with the following properties:

  • dtype: string specifying a data type.
  • data: object pointing to an underlying data buffer.
  • shape: array-like object containing dimensions.
  • strides: array-like object containing stride lengths.
  • offset: number specifying the index offset.
  • order: string describing the memory layout.
  • ndims: number specifying the number of dimensions.
  • length: number specifying the total number of elements.
  • flags: object containing meta data.
  • get: function for retrieving elements.
  • set: function for setting elements.

Examples

var ndarray = require( '@stdlib/ndarray/ctor' );
var isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );

var arr = ndarray( 'generic', [ 0, 0, 0, 0 ], [ 2, 2 ], [ 2, 1 ], 0, 'row-major' );
var bool = isndarrayLike( arr );
// returns true

bool = isndarrayLike( [ 1, 2, 3, 4 ] );
// returns false

bool = isndarrayLike( {} );
// returns false

bool = isndarrayLike( null );
// returns false