Floor

Round a numeric value toward negative infinity.

Usage

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

floor( x )

Rounds a numeric value toward negative infinity.

var v = floor( -4.2 );
// returns -5.0

v = floor( 9.99999 );
// returns 9.0

v = floor( 0.0 );
// returns 0.0

v = floor( NaN );
// returns NaN

Examples

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

var x;
var i;

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