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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | /**
* @license Apache-2.0
*
* Copyright (c) 2024 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 scalar2ndarrayLike = require( '@stdlib/ndarray/base/from-scalar-like' );
var getShape = require( '@stdlib/ndarray/base/shape' );
var resolveSubscripts = require( './resolve_subscripts.js' );
// MAIN //
/**
* Returns the element associated with a specified set of subscripts.
*
* @private
* @param {ndarrayLike} target - target object
* @param {string} property - index string
* @param {Object} ctx - context object
* @param {boolean} ctx.strict - boolean indicating whether to enforce strict bounds checking
* @param {Function} ctx.postGetArray - function to process a retrieved ndarray
* @throws {RangeError} index exceeds ndarray bounds
* @throws {RangeError} number of indices must match the number of ndarray dimensions
* @returns {(ndarrayLike|void)} result
*/
function getCartesian( target, property, ctx ) {
var sub;
var v;
sub = resolveSubscripts( property, getShape( target, false ), ctx.strict );
if ( sub === void 0 ) {
return;
}
// Use the `get` method, which we expect every ndarray-like object to have, in order to resolve a single element:
v = target.get.apply( target, sub );
if ( v === void 0 ) {
return;
}
// Return the element as a 0-D ndarray to ensure consistency with linear indexing and slicing:
return ctx.postGetArray( scalar2ndarrayLike( target, v ) );
}
// EXPORTS //
module.exports = getCartesian;
|