Notice: Use of undefined constant INF - assumed 'INF' in /in/FslBD on line 3
Notice: Use of undefined constant INF - assumed 'INF' in /in/FslBD on line 3
bool(true)
Notice: Use of undefined constant INF - assumed 'INF' in /in/FslBD on line 4
Notice: Use of undefined constant INF - assumed 'INF' in /in/FslBD on line 4
bool(true)
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/FslBD on line 5
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/FslBD on line 5
bool(true)
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/FslBD on line 6
Notice: Use of undefined constant NAN - assumed 'NAN' in /in/FslBD on line 6
bool(true)