Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 63 64 65 66 67 | 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 40x 40x 4x 4x 36x 36x 36x 36x 36x 36x 36x 36x 40x 3x 3x 3x 3x 3x | /**
* @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 gcopy = require( '@stdlib/blas/base/gcopy' ).ndarray;
var gsort = require( '@stdlib/blas/ext/base/gsort' ).ndarray;
var mediansorted = require( '@stdlib/stats/strided/mediansorted' ).ndarray;
// MAIN //
/**
* Computes the median value of a strided array.
*
* @param {PositiveInteger} N - number of indexed elements
* @param {NumericArray} x - input array
* @param {integer} strideX - stride length of `x`
* @param {NonNegativeInteger} offsetX - starting index of `x`
* @param {NumericArray} y - workspace array
* @param {integer} strideY - stride length of `y`
* @param {NonNegativeInteger} offsetY - starting index of `y`
* @returns {number} median value
*
* @example
* var x = [ 4.0, 2.0, 1.0, 3.0, 5.0 ];
* var y = [ 0.0, 0.0, 0.0, 0.0, 0.0 ];
*
* var v = median( x.length, x, 1, 0, y, 1, 0 );
* // returns 3.0
*/
function median( N, x, strideX, offsetX, y, strideY, offsetY ) {
if ( N <= 0 ) {
return NaN;
}
// Copy the input array to the workspace array in order to avoid mutating the input array:
gcopy( N, x, strideX, offsetX, y, strideY, offsetY );
// Sort the workspace array in ascending order:
gsort( N, 1.0, y, strideY, offsetY );
// Compute the median value of the sorted workspace array:
return mediansorted( N, y, strideY, offsetY );
}
// EXPORTS //
module.exports = median;
|