Round
Round a numeric value to the nearest integer.
Installation
npm install @stdlib/math-base-special-round
Usage
var round = require( '@stdlib/math-base-special-round' );
round( x )
Rounds a numeric
value to the nearest integer
.
var v = round( -4.2 );
v = round( -4.5 );
v = round( -4.6 );
v = round( 9.99999 );
v = round( 9.5 );
v = round( 9.2 );
v = round( 0.0 );
v = round( -0.0 );
v = round( Infinity );
v = round( -Infinity );
v = round( NaN );
Notes
- Ties are rounded toward positive infinity.
Examples
var randu = require( '@stdlib/random-base-randu' );
var round = require( '@stdlib/math-base-special-round' );
var x;
var i;
for ( i = 0; i < 100; i++ ) {
x = (randu()*100.0) - 50.0;
console.log( 'Value: %d. Rounded: %d.', x, round( x ) );
}
Notice
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.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
License
See LICENSE.
Copyright
Copyright © 2016-2021. The Stdlib Authors.