Changeset f4a4f4 in git

Timestamp:

Sep 24, 2013, 2:56:24 PM (11 years ago)

Author:

Daniel Andres <daniel.andres@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

c5a262ad53df1f22857ebbf33ab1df008ab05831

Parents:

e4fdfc4233b49ab7329df7bca5c71c4939786214

git-author:

Daniel Andres <daniel.andres@math.rwth-aachen.de>2013-09-24 14:56:24+02:00

git-committer:

Hans Schoenemann <hannes@mathematik.uni-kl.de>2013-10-02 15:20:53+02:00

Message:

ncpreim.lib bugfix for naming conflict in preimageNC

File:

• Singular/LIB/ncpreim.lib (modified) (2 diffs)

Singular/LIB/ncpreim.lib

@@ -72 +72 @@
 12.12.12: typos
 17.12.12: docu
+24.09.13: bugfix preimageNC naming conflict if f is map from ring called 'B'
 */
 
@@ -661 +662 @@
   ideal mm = maxideal(1);
   setring B;
-  if (typeof(#[2])=="map")
-  {
-    map phi = #[2];
+  if (typeof(#[2])=="map" || typeof(#[2])=="ideal")
+  {
+    map phi = A,ideal(#[2]);
   }
   else
   {
-    if (typeof(#[2])=="ideal")
-    {
-      map phi = A,#[2];
-    }
-    else
-    {
-      ERROR("Second argument must define a map from the specified ring to the basering.");
-    }
+    ERROR("Second argument must define a map from the specified ring to the basering.");
   }
   if (typeof(#[3])<>"ideal")