division by zero error
ndunand opened this issue · 1 comments
ndunand commented
Warning: Division by zero in /var/www/moodlecode/29/question/type/matrix/question.php on line 340
Call Stack
# Time Memory Function Location
1 0.0008 289984 {main}( ) ../processattempt.php:0
2 0.1631 10546352 quiz_attempt->process_submitted_actions( ) ../processattempt.php:130
3 0.1631 10550456 question_usage_by_activity->process_all_actions( ) ../attemptlib.php:1764
4 0.1641 10554872 question_usage_by_activity->process_action( ) ../questionusage.php:609
5 0.1641 10555056 question_attempt->process_action( ) ../questionusage.php:728
6 0.1641 10555680 qbehaviour_interactive->process_action( ) ../questionattempt.php:1233
7 0.1642 10556136 qbehaviour_interactive->process_submit( ) ../behaviour.php:166
8 0.1652 10578040 qbehaviour_interactivecountback->adjust_fraction( ) ../behaviour.php:206
9 0.1653 10579496 qtype_matrix_question->compute_final_grade( ) ../behaviour.php:91
What is line 340 in https://github.com/ndunand/moodle-qtype_matrix/blob/master/question.php#L340 supposed to be for ?