@stdlib/math-base-special-ceil10 NPM

ceil10

$NPM version$ $Build Status$ $Coverage Status$

Round a numeric value to the nearest power of 10 toward positive infinity.

Installation

npm install @stdlib/math-base-special-ceil10

Usage

var ceil10 = require( '@stdlib/math-base-special-ceil10' );

ceil10( x )

Rounds a numeric value to the nearest power of 10 toward positive infinity.

var v = ceil10( -4.2 );
// returns -1.0

v = ceil10( -4.5 );
// returns -1.0

v = ceil10( -4.6 );
// returns -1.0

v = ceil10( 9.99999 );
// returns 10.0

v = ceil10( 9.5 );
// returns 10.0

v = ceil10( 13.0 );
// returns 100.0

v = ceil10( -13.0 );
// returns -10.0

v = ceil10( 0.0 );
// returns 0.0

v = ceil10( -0.0 );
// returns -0.0

v = ceil10( Infinity );
// returns Infinity

v = ceil10( -Infinity );
// returns -Infinity

v = ceil10( NaN );
// returns NaN

Notes

The function may not return accurate results for subnormals due to a general loss in precision.
```
var v = ceil10( -1.0e-323 ); // should return -1.0e-323
// returns -0.0
```

Examples

var randu = require( '@stdlib/random-base-randu' );
var ceil10 = require( '@stdlib/math-base-special-ceil10' );

var x;
var v;
var i;

for ( i = 0; i < 100; i++ ) {
    x = (randu()*100.0) - 50.0;
    v = ceil10( x );
    console.log( 'Value: %d. Rounded: %d.', x, v );
}

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.