forked from: Math.random()*10+1 で整数はでるのか？

/**
 * Copyright bkzen ( http://wonderfl.net/user/bkzen )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/8H6d
 */

// forked from bkzen's Math.random()*10+1 で整数はでるのか？
package  
{
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.text.TextField;
    
    /**
     * Math.random() * 10 + 1; で整数が出るのか？
     * 意味はない。
     * @author jc at bk-zen.com
     */
    public class TestAS extends Sprite
    {
        private var txt: TextField;
        private var totalCount: uint = 0;
        private var overCount: uint = 0;
        private const loopCount: uint = 1000000;
        
        public function TestAS() 
        {
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }
        
        private function init(e: Event = null): void 
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            //
            addChild(txt = new TextField());
            txt.width = stage.stageWidth;
            txt.height = stage.stageHeight;
            txt.text = "Math.random(); をひたすらまわして\n0が出ることはありえるのかどうか。\n";
            addEventListener(Event.ENTER_FRAME, loop);
        }
        
        private function loop(e: Event ): void 
        {
            for (var a:int = 0; a < loopCount; a++) 
            {
                var n: Number = Math.random();
                //var i: int = n;
                if ( n == 0 ) 
                {
                    txt.appendText("総回数 : " + (totalCount + a + 1) + " + " + uint.MAX_VALUE + " * " + overCount + "\n出た整数 : " + n);
                    removeEventListener(Event.ENTER_FRAME, loop);
                    return;
                }
            }
            totalCount += loopCount;
            if (totalCount < loopCount) overCount ++;
        }
        
    }

}