Changeset 76d8bb in git

Timestamp:

Aug 8, 2016, 5:51:14 PM (7 years ago)

Author:

Yue <ren@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

1a596a4ab8abb55401f0692155277989b9465ad4

Parents:

7436e955ac75fa53219a330142e7392eaaf7ad72

git-author:

Yue <ren@mathematik.uni-kl.de>2016-08-08 17:51:14+02:00

git-committer:

Yue <ren@mathematik.uni-kl.de>2016-08-09 15:07:24+02:00

Message:

fix: maximalGroebnerCone for ideals with generator 0 or generator monomial

File:

• Singular/dyn_modules/gfanlib/tropical.cc (modified) (1 diff)

Singular/dyn_modules/gfanlib/tropical.cc

@@ -300 +300 @@
   for (int i=0; i<IDELEMS(I); i++)
   {
-    g = (poly) I->m[i]; pGetExpV(g,leadexpv);
-    leadexpw = intStar2ZVector(n, leadexpv);
-    pIter(g);
-    while (g != NULL)
-    {
-      pGetExpV(g,tailexpv);
-      tailexpw = intStar2ZVector(n, tailexpv);
-      inequalities.appendRow(leadexpw-tailexpw);
+    g = (poly) I->m[i];
+    if (g != NULL && pNext(g) != NULL)
+    {
+      pGetExpV(g,leadexpv);
+      leadexpw = intStar2ZVector(n, leadexpv);
       pIter(g);
+      while (g != NULL)
+      {
+        pGetExpV(g,tailexpv);
+        tailexpw = intStar2ZVector(n, tailexpv);
+        inequalities.appendRow(leadexpw-tailexpw);
+        pIter(g);
+      }
     }
   }