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* @license Apache-2.0
*
* Copyright (c) 2026 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 factory = require( './factory.js' );
var randint32 = require( './rand_int32.js' );
// MAIN //
/**
* Generates a pseudorandom unsigned 32-bit integer.
*
* ## Method
*
* The recurrence relation is defined using bitwise operations of the form.
*
* ```tex
* x \leftarrow x \oplus (x \ll a) \\
* x \leftarrow x \oplus (x \gg b) \\
* x \leftarrow x \oplus (x \ll c)
* ```
*
* where \\( a \\), \\( b \\), and \\( c \\) are integer shift constants and \\( \oplus \\) denotes the bitwise XOR operations.
*
* ## Notes
*
* - The generator maintains a single 32-bit internal state.
* - The state must never be zero, as a zero state is absorbing state which causes the generator to output zeros indefinitely.
*
* ## References
*
* - Marsaglia, George. 2003. "Xorshift RNGs."_Journal of Statistical Software_ 8(14): 1-6.
*
* @function xorshift32
* @type {PRNG}
* @returns {uinteger32} pseudorandom integer
*
* @example
* var v = xorshift32();
* // returns <number>
*/
var xorshift32 = factory({
'seed': randint32()
});
// EXPORTS //
module.exports = xorshift32;
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