All files / ndarray/base/find/lib index.js

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/**
* @license Apache-2.0
*
* Copyright (c) 2025 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
 
'use strict';
 
/**
* Return the first element in an ndarray which passes a test implemented by a predicate function.
*
* @module @stdlib/ndarray/base/find
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
* var find = require( '@stdlib/ndarray/base/find' );
*
* function predicate( value ) {
*    return value % 2.0 === 0.0;
* }
*
* // Create a data buffer:
* var xbuf = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0 ] );
*
* // Define the shape of the input array:
* var shape = [ 3, 1, 2 ];
*
* // Define the array strides:
* var sx = [ 4, 4, 1 ];
*
* // Define the index offset:
* var ox = 1;
*
* // Create the input ndarray-like object:
* var x = {
*     'dtype': 'float64',
*     'data': xbuf,
*     'shape': shape,
*     'strides': sx,
*     'offset': ox,
*     'order': 'row-major'
* };
*
* // Create an ndarray-like object containing a sentinel value:
* var sentinelValue = {
*     'dtype': 'float64',
*     'data': new Float64Array( [ NaN ] ),
*     'shape': [],
*     'strides': [ 0 ],
*     'offset': 0,
*     'order': 'row-major'
* };
*
* // Perform operation:
* var out = find( [ x, sentinelValue ], predicate );
* // returns 2.0
*/
 
// MODULES //
 
var main = require( './main.js' );
 
 
// EXPORTS //
 
module.exports = main;