Log Message:
-----------
Only try to reduce intervals, sets and unions. (Don't call isReduced
on objects that don't support it).
Modified Files:
--------------
pg/lib/Value:
AnswerChecker.pm
Revision Data
-------------
Index: AnswerChecker.pm
===================================================================
RCS file: /webwork/cvs/system/pg/lib/Value/AnswerChecker.pm,v
retrieving revision 1.111
retrieving revision 1.112
diff -Llib/Value/AnswerChecker.pm -Llib/Value/AnswerChecker.pm -u -r1.111 -r1.112
--- lib/Value/AnswerChecker.pm
+++ lib/Value/AnswerChecker.pm
@@ -331,6 +331,7 @@
return unless $ans->{studentsMustReduceUnions} &&
$ans->{showUnionReduceWarnings} &&
!$ans->{isPreview} && !Value::isFormula($student);
+ return unless $student->isSetOfReals;
my ($result,$error) = $student->isReduced;
return unless $error;
return {
|
