bitstringander.java

来自「Java版的SAT求解器」· Java 代码 · 共 31 行

/*
 * BitStringAnder.java	1.0 05/04/15
 *
 * Copyright 2004-2005 Positronic Software.
 *
 *
 */

package positronic.satisfiability.bitstring;

import positronic.satisfiability.elements.*;

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

  public BitStringAnder(IBitString X, IBitString Y, IBitString Z) throws Exception
  {
    if((X.size()!=Y.size()) || (X.size()!=Z.size()))
      this.setClauses(Problem.unsolvableProblem().getClauses());
    else
    {
      int commonsize=X.size();
      IProblem[] p=new IProblem[commonsize];
      int count=0;
      for(int i=0;i<commonsize;i++)
        p[count++]=new BitAnder(X.getBooleanVariable(i),Y.getBooleanVariable(i),Z.getBooleanVariable(i));
      this.setClauses(new Conjunction(p).getClauses());
    }
  }
}