FOURTH_PI
One fourth times the mathematical constant π.
Usage
var FOURTH_PI = require( '@stdlib/constants/float64/fourth-pi' );
FOURTH_PI
One fourth times the mathematical constant π.
var bool = ( FOURTH_PI === 7.85398163397448309616e-1 );
// returns true
Examples
var FOURTH_PI = require( '@stdlib/constants/float64/fourth-pi' );
console.log( FOURTH_PI );
// => 7.85398163397448309616e-1
C APIs
Usage
#include "stdlib/constants/float64/fourth_pi.h"
STDLIB_CONSTANT_FLOAT64_FOURTH_PI
Macro for one fourth times the mathematical constant π.