Changeset b5cd25f in git

Timestamp:

May 20, 2011, 10:25:53 AM (12 years ago)

Author:

Frank Seelisch <seelisch@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', '00e2e9c41af3fde1273eb3633f4c0c7c3db2579d')

Children:

70b4f4613db72f20d5dc20493b7b6ff6414e661b

Parents:

20721265ad8d95578883f26318500530eacc7f96

Message:

bug fix for trac ticket #334

git-svn-id: file:///usr/local/Singular/svn/trunk@14234 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• kernel/longalg.cc (modified) (2 diffs)

kernel/longalg.cc

@@ -429 +429 @@
 number naMult(number la, number lb)
 {
-  if ((la==NULL) || (lb==NULL))
+  if ((la==NULL) || (lb==NULL))   /* never occurs even when la or lb
+                                     represents zero??? */
     return NULL;
 
@@ -467 +468 @@
   if (naMinimalPoly!=NULL)
   {
-    if (p_GetExp(lo->z,1,nacRing) >= p_GetExp(naMinimalPoly,1,nacRing))
+    if ((lo->z != NULL) &&
+        (p_GetExp(lo->z,1,nacRing) >= p_GetExp(naMinimalPoly,1,nacRing)))
       lo->z = napRemainder(lo->z, naMinimalPoly);
     if ((x!=NULL) &&