Notice: Use of undefined constant NAN - assumed 'NAN' in /in/3ihLN on line 3
int(0)
Notice: Use of undefined constant INF - assumed 'INF' in /in/3ihLN on line 4
int(0)
Notice: Use of undefined constant INF - assumed 'INF' in /in/3ihLN on line 5
int(0)
Notice: Use of undefined constant INF - assumed 'INF' in /in/3ihLN on line 6
Warning: Division by zero in /in/3ihLN on line 6
int(0)