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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 Uint32Array = require( '@stdlib/array/uint32' );
var toWords = require( '@stdlib/number/uint64/base/to-words' ).assign;
var Uint64 = require( '@stdlib/number/uint64/ctor' );
var assign = require( './assign.js' );
// VARIABLES //
var WORKSPACE = new Uint32Array( 6 );
// MAIN //
/**
* Computes the bitwise XOR of two 64-bit unsigned integers.
*
* @param {Uint64} a - 64-bit unsigned integer
* @param {Uint64} b - 64-bit unsigned integer
* @returns {Uint64} result
*
* @example
* var Uint64 = require( '@stdlib/number/uint64/ctor' );
*
* var a = new Uint64( 5 );
* var b = new Uint64( 15 );
*
* var v = xor( a, b );
* // returns <Uint64>[ 10n ]
*/
function xor( a, b ) {
toWords( a, WORKSPACE, 1, 0 );
toWords( b, WORKSPACE, 1, 2 );
// eslint-disable-next-line max-len
assign( WORKSPACE[0], WORKSPACE[1], WORKSPACE[2], WORKSPACE[3], WORKSPACE, 1, 4 );
return Uint64.of( WORKSPACE[4], WORKSPACE[5] );
}
// EXPORTS //
module.exports = xor;
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