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* @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';
// MODULES //
var nullary = require( '@stdlib/strided/base/nullary' ).ndarray;
var random = require( '@stdlib/random/base/randu' );
// MAIN //
/**
* Fills a strided array with uniformly distributed pseudorandom numbers between `0` and `1`.
*
* @param {NonNegativeInteger} N - number of indexed elements
* @param {Collection} out - output array
* @param {integer} so - `out` stride length
* @param {NonNegativeInteger} oo - starting `out` index
* @param {Options} [options] - function options
* @param {string} [options.name='mt19937'] - name of a supported pseudorandom number generator (PRNG), which will serve as the underlying source of pseudorandom numbers
* @param {*} [options.seed] - pseudorandom number generator seed
* @param {*} [options.state] - pseudorandom number generator state
* @param {boolean} [options.copy=true] - boolean indicating whether to copy a provided pseudorandom number generator state
* @throws {Error} must provide valid options
* @throws {Error} must provide a valid state
* @returns {Collection} output array
*
* @example
* var Float64Array = require( '@stdlib/array/float64' );
*
* // Create an array:
* var out = new Float64Array( 10 );
*
* // Fill the array with pseudorandom numbers:
* randu( out.length, out, 1, 0 );
*/
function randu( N, out, so, oo, options ) {
var rand;
if ( arguments.length > 4 ) {
rand = random.factory( options );
} else {
rand = random;
}
nullary( [ out ], [ N ], [ so ], [ oo ], rand );
return out;
}
// EXPORTS //
module.exports = randu;
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