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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | 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 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 8x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2021 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( './accessors.ndarray.js' );
// MAIN //
/**
* Applies a unary callback to elements in a strided input array and assigns results to elements in a strided output array.
*
* @private
* @param {ArrayLikeObject<Collection>} arrays - array-like object containing one input array and one output array
* @param {NonNegativeIntegerArray} shape - array-like object containing a single element, the number of indexed elements
* @param {IntegerArray} strides - array-like object containing the stride lengths for the input and output arrays
* @param {Array<Function>} accessors - array-like object containing accessors for the input and output arrays
* @param {Callback} fcn - unary callback
* @returns {void}
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* function scale( x ) {
* return x * 10.0;
* }
*
* function get( buf, idx ) {
* return buf[ idx ] * 2.0;
* }
*
* function set( buf, idx, value ) {
* buf[ idx ] = value;
* }
*
* var x = new Float64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0 ] );
* var y = new Float64Array( x.length );
*
* var shape = [ x.length ];
* var strides = [ 1, 1 ];
*
* unary( [ x, y ], shape, strides, [ get, set ], scale );
*
* console.log( y );
* // => <Float64Array>[ 20.0, 40.0, 60.0, 80.0, 100.0 ]
*/
function unary( arrays, shape, strides, accessors, fcn ) {
var offsets;
var N;
N = shape[ 0 ];
offsets = [
stride2offset( N, strides[ 0 ] ),
stride2offset( N, strides[ 1 ] )
];
return ndarray( arrays, shape, strides, offsets, accessors, fcn );
}
// EXPORTS //
module.exports = unary;
|