Package edu.jas.gb

Class Pair<C extends RingElem<C>>

java.lang.Object
edu.jas.gb.AbstractPair<C>
edu.jas.gb.Pair<C>
Type Parameters:
C - coefficient type
All Implemented Interfaces:
Serializable, Comparable<Pair>
public class Pair<C extends RingElem<C>> extends AbstractPair<C> implements Comparable<Pair>
Serializable subclass to hold pairs of polynomials.
See Also:

  • Field Details

    • n

      protected int n

    • toZero

      protected boolean toZero

    • useCriterion4

      protected boolean useCriterion4

    • useCriterion3

      protected boolean useCriterion3

  • Constructor Details

    • Pair

      public Pair(GenPolynomial<C> a, GenPolynomial<C> b, int i, int j)
      Pair constructor.
      Parameters:
      a - polynomial i.
      b - polynomial j.
      i - first index.
      j - second index.

    • Pair

      public Pair(GenPolynomial<C> a, GenPolynomial<C> b, int i, int j, int s)
      Pair constructor.
      Parameters:
      a - polynomial i.
      b - polynomial j.
      i - first index.
      j - second index.
      s - maximal index.

    • Pair

      public Pair(ExpVector lcm, GenPolynomial<C> a, GenPolynomial<C> b, int i, int j)
      Pair constructor.
      Parameters:
      lcm - of lt(a) lt(b).
      a - polynomial i.
      b - polynomial j.
      i - first index.
      j - second index.

    • Pair

      public Pair(ExpVector lcm, GenPolynomial<C> a, GenPolynomial<C> b, int i, int j, int s)
      Pair constructor.
      Parameters:
      lcm - of lt(a) lt(b).
      a - polynomial i.
      b - polynomial j.
      i - first index.
      j - second index.
      s - maximal index.

  • Method Details

    • toString

      public String toString()
      toString.
      Overrides:
      toString in class AbstractPair<C extends RingElem<C>>

    • pairNumber

      public void pairNumber(int n)
      Set removed pair number.
      Parameters:
      n - number of this pair generated in OrderedPairlist.

    • getPairNumber

      public int getPairNumber()
      Get removed pair number.
      Returns:
      n number of this pair generated in OrderedPairlist.

    • setZero

      public void setZero()
      Set zero reduction. The S-polynomial of this Pair was reduced to zero.

    • isZero

      public boolean isZero()
      Is reduced to zero.
      Returns:
      true if the S-polynomial of this Pair was reduced to zero, else false.

    • equals

      public boolean equals(Object ob)
      equals.
      Overrides:
      equals in class Object
      Parameters:
      ob - an Object.
      Returns:
      true if this is equal to o, else false.

    • compareTo

      public int compareTo(Pair p)
      compareTo used in TreeMap // not used at moment. Comparison is based on the number of the pairs.
      Specified by:
      compareTo in interface Comparable<C extends RingElem<C>>
      Parameters:
      p - a Pair.
      Returns:
      1 if (this < o), 0 if (this == o), -1 if (this > o).

    • hashCode

      public int hashCode()
      Hash code for this Pair.
      Overrides:
      hashCode in class Object
      See Also:

    • setUseCriterion4

      public void setUseCriterion4(boolean c)
      Set useCriterion4.
      Parameters:
      c - boolean value to set.

    • getUseCriterion4

      public boolean getUseCriterion4()
      Get useCriterion4.
      Returns:
      boolean value.

    • setUseCriterion3

      public void setUseCriterion3(boolean c)
      Set useCriterion3.
      Parameters:
      c - boolean value to set.

    • getUseCriterion3

      public boolean getUseCriterion3()
      Get useCriterion3.
      Returns:
      boolean value.