Function exponential

docs/app/js/sanddance-app.js:128269–128273

(a, b, y)

    };
}
function exponential(a, b, y) {
    return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {
        return Math.pow(a + t * b, y);
    };
}
function hue(a, b) {
    var d = b - a;
    return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : (0, _constantJsDefault.default)(isNaN(a) ? b : a);