Changeset 276c3f in git for factory/algext.cc

Timestamp:

Jul 5, 2011, 3:16:22 PM (12 years ago)

Author:

Martin Lee <martinlee84@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

e28e6d1742e673c091f48a99b5d6d522e5d5bfa2

Parents:

faf58fa448fff6919168c75277259dc4202064b0

Message:

moved 'reduce' from algext.* to cf_ops.cc and canonicalform.h


git-svn-id: file:///usr/local/Singular/svn/trunk@14325 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

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

factory/algext.cc

@@ -190 +190 @@
 
   return 1;
-}
-
-CanonicalForm reduce(const CanonicalForm & f, const CanonicalForm & M)
-{ // polynomials in M.mvar() are considered coefficients
-  // M univariate monic polynomial
-  // the coefficients of f are reduced modulo M
-  if(f.inBaseDomain() || f.level() < M.level())
-    return f;
-  if(f.level() == M.level())
-  {
-    if(f.degree() < M.degree())
-      return f;
-    CanonicalForm tmp = mod (f, M);
-    return tmp;
-  }
-  // here: f.level() > M.level()
-  CanonicalForm result = 0;
-  for(CFIterator i=f; i.hasTerms(); i++)
-    result += reduce(i.coeff(),M) * power(f.mvar(),i.exp());
-  return result;
 }