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 | 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 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 6x 6x 6x 8x 8x 6x 6x 4x 4x 3x 3x 3x 3x 3x | /**
* @license Apache-2.0
*
* Copyright (c) 2023 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';
// MAIN //
/**
* Applies a function to elements in a two-dimensional nested input array and assigns results to elements in a new two-dimensional nested output array.
*
* @param {ArrayLikeObject<Collection>} x - input nested array
* @param {NonNegativeIntegerArray} shape - array shape
* @param {Function} fcn - function to apply
* @param {*} [thisArg] - function execution context
* @returns {Array<Array>} output array
*
* @example
* var ones2d = require( '@stdlib/array/base/ones2d' );
*
* function scale( x ) {
* return x * 10.0;
* }
*
* var shape = [ 2, 2 ];
*
* var x = ones2d( shape );
* var y = map2d( x, shape, scale );
* // returns [ [ 10.0, 10.0 ], [ 10.0, 10.0 ] ]
*/
function map2d( x, shape, fcn, thisArg ) {
var S0;
var S1;
var i0;
var i1;
var x0;
var y0;
var y;
S0 = shape[ 1 ];
S1 = shape[ 0 ];
y = [];
for ( i1 = 0; i1 < S1; i1++ ) {
x0 = x[ i1 ];
y0 = [];
for ( i0 = 0; i0 < S0; i0++ ) {
y0.push( fcn.call( thisArg, x0[ i0 ], [ i1, i0 ], x ) );
}
y.push( y0 );
}
return y;
}
// EXPORTS //
module.exports = map2d;
|