Changeset b304ba in git for Singular

Timestamp:

Oct 21, 2011, 2:37:32 PM (13 years ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

bc4dd17ae0bd4c02957f75f188075907873f7935

Parents:

780e112edff75c0cf87a2cbc679791d1307e3f7e

Message:

fix tr. 380

git-svn-id: file:///usr/local/Singular/svn/trunk@14421 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/iparith.cc (modified) (3 diffs)

Singular/iparith.cc

@@ -1814 +1814 @@
   ideal R; matrix U;
   ideal m = idLift(vi,ui,&R, FALSE,hasFlag(v,FLAG_STD),TRUE,&U);
+  if (m==NULL) return TRUE;
   // now make sure that all matices have the corect size:
   matrix T = idModule2formatedMatrix(m,vl,ul);
@@ -2372 +2373 @@
 static BOOLEAN jjLIFT(leftv res, leftv u, leftv v)
 {
-  ideal m;
   BITSET save_test=test;
   int ul= IDELEMS((ideal)u->Data());
   int vl= IDELEMS((ideal)v->Data());
-  m = idLift((ideal)u->Data(),(ideal)v->Data(),NULL,FALSE,hasFlag(u,FLAG_STD));
+  ideal m = idLift((ideal)u->Data(),(ideal)v->Data(),NULL,FALSE,
+                   hasFlag(u,FLAG_STD));
+  if (m==NULL) return TRUE;
   res->data = (char *)idModule2formatedMatrix(m,ul,vl);
   test=save_test;
@@ -6133 +6135 @@
     = idLift((ideal)u->Data(),(ideal)v->Data(),NULL,FALSE,hasFlag(u,FLAG_STD),
              FALSE, (matrix *)(&(IDMATRIX((idhdl)(w->data)))));
+  if (m==NULL) return TRUE;
   res->data = (char *)idModule2formatedMatrix(m,ul,vl);
   test=save_test;