gistfile1.js

if (!Math.fround) {
    Math.fround = (function() {
        var temp = new Float32Array(1);
        return function fround(x) {
            temp[0] = +x;
            return temp[0];
        }
    })();
}


// No such thing as FEPSILON in the ES6. I just put it on Number for consistency with Number.EPSILON which is ES6
Number.FEPSILON = Number.FEPSILON || 1.192092896e-07;

Math.fround(0.4999999 + Number.FEPSILON)