@stdlib/math-base-ops-umul instead.
Perform C-like multiplication of two unsigned 32-bit integers.
npm install @stdlib/math-base-special-uimulvar uimul = require( '@stdlib/math-base-special-uimul' );Performs C-like multiplication of two unsigned 32-bit integers.
var v = uimul( 10>>>0, 4>>>0 );
// returns 40
v = uimul( 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.
var discreteUniform = require( '@stdlib/random-base-discrete-uniform' ).factory;
var UINT32_MAX = require( '@stdlib/constants-uint32-max' );
var uimul = require( '@stdlib/math-base-special-uimul' );
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 = uimul( a, b );
console.log( '%d x %d = %d', a, b, y );
}@stdlib/math/base/special/imul: perform C-like multiplication of two signed 32-bit integers.
This package is part of 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.
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See LICENSE.
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