Changeset f8d2cd2 in git for factory/facAlgFuncUtil.cc

Timestamp:

Sep 7, 2015, 10:43:26 PM (9 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

c65b73309b230b264308140a3c68d8cf161955a0

Parents:

b6c5b9ea35189a34db58f51d1b3bb752d8b73338

Message:

fix bug in deflateDegree

File:

• factory/facAlgFuncUtil.cc (modified) (1 diff)

factory/facAlgFuncUtil.cc

@@ -203 +203 @@
   {
     ASSERT (F.deriv().isZero(), "derivative of F is not zero");
-    int termCount=0;
     CFIterator i= F;
+    int g= 0;
     for (; i.hasTerms(); i++)
-    {
-      if (i.exp() != 0)
-        termCount++;
-    }
-
-    int j= 1;
-    i= F;
-    for (;j < termCount; j++, i++)
-      ;
-
-    int exp= i.exp();
+        g= igcd (g, i.exp());
+
     int count= 0;
     int p= getCharacteristic();
-    while ((exp >= p) && (exp != 0) && (exp % p == 0))
-    {
-      exp /= p;
+    while ((g >= p) && (g != 0) && (g % p == 0))
+    {
+      g /= p;
       count++;
     }