001/* 002 * $Id: EGroebnerBaseSeq.java 4099 2012-08-12 18:49:36Z kredel $ 003 */ 004 005package edu.jas.gb; 006 007 008import edu.jas.structure.RingElem; 009 010 011/** 012 * E-Groebner Base sequential algorithm. Nearly empty class, only the 013 * e-reduction is used instead of d-reduction. <b>Note:</b> Minimal reduced GBs 014 * are again unique. see BWK, section 10.1. 015 * @param <C> coefficient type 016 * @author Heinz Kredel 017 */ 018 019public class EGroebnerBaseSeq<C extends RingElem<C>> extends DGroebnerBaseSeq<C> { 020 021 022 //private static final Logger logger = Logger.getLogger(EGroebnerBaseSeq.class); 023 //private final boolean debug = logger.isDebugEnabled(); 024 025 026 /** 027 * Reduction engine. 028 */ 029 protected EReduction<C> ered; // shadow super.red ?? 030 031 032 /** 033 * Constructor. 034 */ 035 public EGroebnerBaseSeq() { 036 this(new EReductionSeq<C>()); 037 } 038 039 040 /** 041 * Constructor. 042 * @param ered E-Reduction engine 043 */ 044 public EGroebnerBaseSeq(EReductionSeq<C> ered) { 045 super(ered); 046 this.ered = ered; 047 assert this.ered == super.red; 048 } 049 050 051}