Changeset 9fd0b1 in git for factory/facAlgExt.cc

Timestamp:

Jun 20, 2011, 6:29:12 PM (12 years ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

2d0f7d3bc1abfb71f9873d236dbbea3cf7a7860f

Parents:

4e35a894dd1ecea25a42d6b12a182338771e5732

Message:

resstore SW_RATIONAL on exit to original value

git-svn-id: file:///usr/local/Singular/svn/trunk@14292 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• factory/facAlgExt.cc (modified) (3 diffs)

factory/facAlgExt.cc

@@ -103 +103 @@
   ASSERT (getCharacteristic() == 0, "characteristic 0 expected");
 
-  if (!isOn (SW_RATIONAL))
-    On (SW_RATIONAL);
+  bool save_rat=!isOn (SW_RATIONAL);
+  On (SW_RATIONAL);
   CanonicalForm f= F*bCommonDen (F);
   int shift;
@@ -112 +112 @@
   CFList factors;
   if (normFactors.length() <= 2)
+  {
+    if (save_rat) Off(SW_RATIONAL);
     return CFList (F);
+  }
 
   normFactors.removeFirst();
@@ -131 +134 @@
   }
   ASSERT (degree (buf) <= 0, "incomplete factorization");
+  if (save_rat) Off(SW_RATIONAL);
   return factors;
 }