X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Fexam_paranoia.cpp;h=2c6fe6ae627557f450fe8ea4dfd680bbc7fae628;hp=6fe0f0972924872b7508482748c551e2787e5520;hb=db5765dc91202851739e196ba11bfccb0b3fe7bc;hpb=55d35dcf72dc411c8265628fcad2bd67d320a8c9

diff --git a/check/exam_paranoia.cpp b/check/exam_paranoia.cpp
index 6fe0f097..2c6fe6ae 100644
--- a/check/exam_paranoia.cpp
+++ b/check/exam_paranoia.cpp
@@ -318,15 +318,21 @@ static unsigned exam_paranoia13(void)
 {
     unsigned result = 0;
 	symbol a("a"), b("b"), c("c");
-
+    
 	ex e = (b*a-c*a)/(4-a);
-	ex f = e.normal();
 	ex d = (c*a-b*a)/(a-4);
-
-	if (!(f - d).expand().is_zero()) {
-		clog << "normal(" << e << ") returns " << f << " instead of " << d << endl;
-		++result;
-	}
+    
+    try {
+        ex f = e.normal();    
+        if (!(f - d).expand().is_zero()) {
+            clog << "normal(" << e << ") returns " << f
+                 << " instead of " << d << endl;
+            ++result;
+        }
+    } catch (const exception &err) {
+        clog << "normal(" << e << ") throws " << err.what() << endl;
+        ++result;
+    }
 	return result;
 }