1/2 times π

One half times the mathematical constant π.

Usage

var HALF_PI = require( '@stdlib/constants/float64/half-pi' );

HALF_PI

One half times the mathematical constant π.

var bool = ( HALF_PI === 1.5707963267948966 );
// returns true

Examples

var HALF_PI = require( '@stdlib/constants/float64/half-pi' );

console.log( HALF_PI );
// => 1.5707963267948966