Changeset cfb500 in git for libpolys/polys/ext_fields/algext.cc

Timestamp:

May 20, 2011, 1:07:49 PM (13 years ago)

Author:

Frank Seelisch <seelisch@…>

Branches:

(u'spielwiese', '17f1d200f27c5bd38f5dfc6e8a0879242279d1d8')

Children:

502f5f6f3100e91a41cf8b3762727582bcdcc2fa

Parents:

09ed7738e7d4dd96c01950a6f0736d8581f333d2

git-author:

Frank Seelisch <seelisch@mathematik.uni-kl.de>2011-05-20 13:07:49+02:00

git-committer:

Mohamed Barakat <mohamed.barakat@rwth-aachen.de>2011-11-09 12:36:13+01:00

Message:

ending tests for alg field ext impl (all tests ok)

File:

• libpolys/polys/ext_fields/algext.cc (modified) (2 diffs)

libpolys/polys/ext_fields/algext.cc

@@ -437 +437 @@
 }
 
+/* IMPORTANT NOTE: Since an algebraic field extension is again a field,
+                   the gcd of two elements is not very interesting. (It
+                   is actually any unit in the field, i.e., any non-
+                   zero element.) Note that the below method does not operate
+                   in this strong sense but rather computes the gcd of
+                   two given elements in the underlying polynomial ring. */
 number naGcd(number a, number b, const coeffs cf)
 {
@@ -455 +461 @@
   p_Delete(&theGcd, naRing);
   p_Delete(&mFactor, naRing);
-  /* printf("naInvers\n");
-     p_Write((poly)a, naRing);
-     p_Write(aFactor, naRing); */
   return (number)(aFactor);
 }