package com.greensock.easing 
{
    public class Expo extends Object
    {
        public function Expo()
        {
            super();
            return;
        }

        public static function easeIn(arg1:Number, arg2:Number, arg3:Number, arg4:Number):Number
        {
            return arg1 != 0 ? arg3 * Math.pow(2, 10 * (arg1 / arg4 - 1)) + arg2 - arg3 * 0.001 : arg2;
        }

        public static function easeOut(arg1:Number, arg2:Number, arg3:Number, arg4:Number):Number
        {
            return arg1 != arg4 ? arg3 * (-Math.pow(2, -10 * arg1 / arg4) + 1) + arg2 : arg2 + arg3;
        }

        public static function easeInOut(arg1:Number, arg2:Number, arg3:Number, arg4:Number):Number
        {
            if (arg1 == 0)
            {
                return arg2;
            }
            if (arg1 == arg4)
            {
                return arg2 + arg3;
            }
            var loc1:*;
            arg1 = loc1 = arg1 / (arg4 * 0.5);
            if (loc1 < 1)
            {
                return arg3 * 0.5 * Math.pow(2, 10 * (arg1 - 1)) + arg2;
            }
            return arg3 * 0.5 * (-Math.pow(2, -10 * --arg1) + 2) + arg2;
        }
    }
}