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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 ndarraylike2scalar = require( '@stdlib/ndarray/base/ndarraylike2scalar' );
var numelDimension = require( '@stdlib/ndarray/base/numel-dimension' );
var getStride = require( '@stdlib/ndarray/base/stride' );
var getOffset = require( '@stdlib/ndarray/base/offset' );
var getData = require( '@stdlib/ndarray/base/data-buffer' );
var strided = require( '@stdlib/blas/ext/base/slinspace' ).ndarray;
// MAIN //
/**
* Fills a one-dimensional single-precision floating-point ndarray with linearly spaced values over a specified interval.
*
* ## Notes
*
* - The function expects the following ndarrays in order:
*
* - a one-dimensional input ndarray.
* - a zero-dimensional ndarray specifying the start of the interval.
* - a zero-dimensional ndarray specifying the end of the interval.
* - a zero-dimensional ndarray specifying whether to include the end of the interval when writing values to the input ndarray.
*
* @param {ArrayLikeObject<Object>} arrays - array-like object containing ndarrays
* @returns {ndarray} input ndarray
*
* @example
* var Float32Array = require( '@stdlib/array/float32' );
* var ndarray = require( '@stdlib/ndarray/base/ctor' );
* var ndarray2array = require( '@stdlib/ndarray/to-array' );
* var scalar2ndarray = require( '@stdlib/ndarray/from-scalar' );
*
* var xbuf = new Float32Array( [ 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 ] );
* var x = new ndarray( 'float32', xbuf, [ 6 ], [ 1 ], 0, 'row-major' );
*
* var start = scalar2ndarray( 0.0, {
* 'dtype': 'float32'
* });
*
* var stop = scalar2ndarray( 100.0, {
* 'dtype': 'float32'
* });
*
* var endpoint = scalar2ndarray( true, {
* 'dtype': 'bool'
* });
*
* var out = slinspace( [ x, start, stop, endpoint ] );
* // returns <ndarray>
*
* var arr = ndarray2array( out );
* // returns [ 0.0, 20.0, 40.0, 60.0, 80.0, 100.0 ]
*/
function slinspace( arrays ) {
var endpoint;
var start;
var stop;
var x;
x = arrays[ 0 ];
start = ndarraylike2scalar( arrays[ 1 ] );
stop = ndarraylike2scalar( arrays[ 2 ] );
endpoint = ndarraylike2scalar( arrays[ 3 ] );
strided( numelDimension( x, 0 ), start, stop, endpoint, getData( x ), getStride( x, 0 ), getOffset( x ) ); // eslint-disable-line max-len
return x;
}
// EXPORTS //
module.exports = slinspace;
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