Changeset 0b447e in git

Timestamp:

Apr 8, 2013, 12:54:43 PM (11 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

b8f8ea1509ff92e49428ea7c5713993cd700fbb6

Parents:

11f05fda6bd40e3d3dd7e6cda2c4f56fccc3632f

git-author:

Martin Lee <martinlee84@web.de>2013-04-08 12:54:43+02:00

git-committer:

Martin Lee <martinlee84@web.de>2013-04-08 14:43:02+02:00

Message:

fix: bug in log derivative computation over field extensions

File:

• factory/facFqBivarUtil.cc (modified) (2 diffs)

factory/facFqBivarUtil.cc

@@ -468 +468 @@
   for (CFIterator i= logDeriv; i.hasTerms() && !logDeriv.isZero(); i++)
   {
-    for (ii= i.coeff(); ii.hasTerms(); ii++)
-      result[ii.exp()] += ii.coeff()*power (x,i.exp());
+    if (i.coeff().inCoeffDomain())
+      result[0] += i.coeff()*power (x,i.exp());
+    else
+    {
+      for (ii= i.coeff(); ii.hasTerms(); ii++)
+        result[ii.exp()] += ii.coeff()*power (x,i.exp());
+    }
   }
   Q= q;
@@ -541 +546 @@
   for (CFIterator i= logDeriv; i.hasTerms() && !logDeriv.isZero(); i++)
   {
-    for (ii= i.coeff(); ii.hasTerms(); ii++)
-      result[ii.exp()] += ii.coeff()*power (x,i.exp());
+    if (i.coeff().inCoeffDomain())
+      result[0] += i.coeff()*power (x,i.exp());
+    else
+    {
+      for (ii= i.coeff(); ii.hasTerms(); ii++)
+        result[ii.exp()] += ii.coeff()*power (x,i.exp());
+    }
   }
   Q= q;