HALF_PI
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
C APIs
Usage
#include "stdlib/constants/float64/half_pi.h"
STDLIB_CONSTANT_FLOAT64_HALF_PI
Macro for one half times the mathematical constant π.