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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 15x 15x 15x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2026 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';
// MODULES //
var stride2offset = require( '@stdlib/strided/base/stride2offset' );
var ndarray = require( './ndarray.js' );
// MAIN //
/**
* Computes the `k` maximum values of a strided array.
*
* ## Notes
*
* - If `N <= 0`, the function fills the output array with `NaN`.
* - If `k <= 0`, the function returns the output array unchanged.
* - The function distinguishes between positive zero (`+0`) and negative zero (`-0`), treating positive zero as greater than negative zero when values are otherwise equal.
* - The min-heap algorithm is sensitive to the presence of `NaN` values. Since `NaN` comparisons always return `false`, if `NaN` values are present in the input array, the results will be unpredictable.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {PositiveInteger} k - number of maximum values to return
* @param {NumericArray} x - input array
* @param {integer} strideX - stride length for `x`
* @param {NumericArray} out - output array
* @param {integer} strideOut - stride length for `out`
* @returns {NumericArray} output array
*
* @example
* var x = [ 1.0, 2.0, 3.0, 4.0, 5.0 ];
* var out = [ 0.0, 0.0, 0.0 ];
*
* maxk( x.length, 3, x, 1, out, 1 );
* // out => [ 3.0, 4.0, 5.0 ]
*/
function maxk( N, k, x, strideX, out, strideOut ) {
return ndarray( N, k, x, strideX, stride2offset( N, strideX ), out, strideOut, stride2offset( k, strideOut ) ); // eslint-disable-line max-len
}
// EXPORTS //
module.exports = maxk;
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