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* @license Apache-2.0
*
* Copyright (c) 2025 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 isInteger = require( '@stdlib/assert/is-integer' ).isPrimitive;
var isndarrayLike = require( '@stdlib/assert/is-ndarray-like' );
var base = require( '@stdlib/ndarray/base/reverse-dimension' );
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Returns a read-only view of an input ndarray in which the order of elements along a specified dimension is reversed.
*
* @param {ndarray} x - input array
* @param {integer} dim - index of dimension to reverse
* @throws {TypeError} first argument must be an ndarray having one or more dimensions
* @throws {TypeError} second argument must be an integer
* @throws {RangeError} dimension index exceeds the number of dimensions
* @returns {ndarray} ndarray view
*
* @example
* var ndarray = require( '@stdlib/ndarray/ctor' );
* var ndarray2array = require( '@stdlib/ndarray/to-array' );
*
* var buffer = [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0 ];
* var shape = [ 3, 2 ];
* var strides = [ 2, 1 ];
* var offset = 0;
*
* var x = ndarray( 'generic', buffer, shape, strides, offset, 'row-major' );
* // returns <ndarray>
*
* var arr = ndarray2array( x );
* // returns [ [ 1.0, 2.0 ], [ 3.0, 4.0 ], [ 5.0, 6.0 ] ]
*
* var y = reverseDimension( x, 0 );
* // returns <ndarray>
*
* arr = ndarray2array( y );
* // returns [ [ 5.0, 6.0 ], [ 3.0, 4.0 ], [ 1.0, 2.0 ] ]
*/
function reverseDimension( x, dim ) {
if ( !isndarrayLike( x ) ) {
throw new TypeError( format( 'invalid argument. First argument must be an ndarray. Value: `%s`.', x ) );
}
if ( !isInteger( dim ) ) {
throw new TypeError( format( 'invalid argument. Second argument must be an integer. Value: `%s`.', dim ) );
}
return base( x, dim, false );
}
// EXPORTS //
module.exports = reverseDimension;
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