bittableinequalityindicator.java

来自「Java版的SAT求解器」· Java 代码 · 共 35 行

/*
 * BitTableInequalityIndicator.java	1.0 06/01/04
 *
 * Copyright 2006 Positronic Software.
 *
 *
 */

package positronic.satisfiability.bittable;

import positronic.satisfiability.elements.BitEqualizer;
import positronic.satisfiability.elements.Conjunction;
import positronic.satisfiability.elements.IProblem;
import positronic.satisfiability.elements.Problem;
import positronic.satisfiability.exceptions.BitTableInequalityIndicatorException;

public class BitTableInequalityIndicator extends Problem implements IProblem
{
  private static final long serialVersionUID = 1L;

  public BitTableInequalityIndicator(IBitTable X, IBitTable Y) throws Exception
  {
    if(!X.isSameSizeAs(Y))
      throw new BitTableInequalityIndicatorException("IBitTables of differing sizes were passed to a constructor.");
    else
    {
      IProblem[] p=new IProblem[X.numberRows()*X.numberColumns()];
      int count=0;
      for(int i=0;i<X.numberRows();i++)
        for(int j=0;j<X.numberColumns();j++)
          p[count++]=new BitEqualizer(X.getBooleanVariable(i,j),Y.getBooleanVariable(i,j));
      this.setClauses(new Conjunction(p).getClauses());
    }
  }
}