Perform C-like multiplication of two unsigned 32-bit integers.
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> Perform C-like multiplication of two unsigned 32-bit integers.
``bash`
npm install @stdlib/math-base-ops-umul
`javascript`
var umul = require( '@stdlib/math-base-ops-umul' );
#### umul( a, b )
Performs C-like multiplication of two unsigned 32-bit integers.
`javascript
var v = umul( 10>>>0, 4>>>0 );
// returns 40
v = umul( 2147483648>>>0, 5>>>0 ); // 2^31 * 5 = 10737418240 => 32-bit integer overflow
// returns 2147483648
`
- The function emulates C-like multiplication of two unsigned 32-bit integers.
`javascript
var discreteUniform = require( '@stdlib/random-base-discrete-uniform' ).factory;
var UINT32_MAX = require( '@stdlib/constants-uint32-max' );
var umul = require( '@stdlib/math-base-ops-umul' );
var randi;
var a;
var b;
var y;
var i;
randi = discreteUniform( 0, UINT32_MAX );
for ( i = 0; i < 100; i++ ) {
a = randi()>>>0;
b = randi()>>>0;
y = umul( a, b );
console.log( '%d x %d = %d', a, b, y );
}
`
*
- [@stdlib/math-base/ops/imul][@stdlib/math/base/ops/imul]: perform C-like multiplication of two signed 32-bit integers.
*
This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].
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---
See [LICENSE][stdlib-license].
Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors].
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[stdlib]: https://github.com/stdlib-js/stdlib
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[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules
[deno-url]: https://github.com/stdlib-js/math-base-ops-umul/tree/deno
[deno-readme]: https://github.com/stdlib-js/math-base-ops-umul/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/math-base-ops-umul/tree/umd
[umd-readme]: https://github.com/stdlib-js/math-base-ops-umul/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/math-base-ops-umul/tree/esm
[esm-readme]: https://github.com/stdlib-js/math-base-ops-umul/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/math-base-ops-umul/blob/main/branches.md
[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/math-base-ops-umul/main/LICENSE
[@stdlib/math/base/ops/imul]: https://www.npmjs.com/package/@stdlib/math-base-ops-imul