[BACK]Return to CMO_QQ.java CVS log [TXT][DIR] Up to [local] / OpenXM / src / OpenMath / ORG / openxm / tam
File: [local] / OpenXM / src / OpenMath / ORG / openxm / tam / CMO_QQ.java (download)

Revision 1.3, Sun Dec 3 12:40:40 2000 UTC (23 years, 7 months ago) by ohara
Branch: MAIN
CVS Tags: R_1_3_1-2, RELEASE_1_3_1_13b, RELEASE_1_2_3_12, RELEASE_1_2_3, RELEASE_1_2_2_KNOPPIX_b, RELEASE_1_2_2_KNOPPIX, RELEASE_1_2_2, RELEASE_1_2_1, KNOPPIX_2006, HEAD, DEB_REL_1_2_3-9
Changes since 1.2: +5 -1 lines 

allowQ() methods are added.

In order to prevent a MathcapViolation,
we must inspect a CMObject by allowQ() before sending it to OXstream.

/**
 * $OpenXM: OpenXM/src/OpenMath/ORG/openxm/tam/CMO_QQ.java,v 1.3 2000/12/03 12:40:40 ohara Exp $
 */
package ORG.openxm.tam;

import java.io.*;
import java.math.BigInteger;

/**
 * CMO $B7A<0$N(B QQ $B7?$rI=$7$^$9(B.
 */
final public class CMO_QQ extends CMO{
  private CMO_ZZ a,b;

  /**
   * (a/b) $B$rI=$9(B QQ $B7?$rI=$7$^$9(B.
   * $B%;%^%s%F%#%/%9$N%A%'%C%/$O9T$J$o$l$^$;$s(B.
   */
  public CMO_QQ(CMO_ZZ a,CMO_ZZ b){
    this.a = a;
    this.b = b;
  }

  /**
   * $BJ,;R$rF@$^$9(B.
   */
  public CMO_ZZ getBunshi(){
    return a;
  }

  /**
   * $BJ,Jl$rF@$^$9(B.
   */
  public CMO_ZZ getBunbo(){
    return b;
  }

  public int DISCRIMINATOR(){
    return CMO.QQ;
  }

    public boolean allowQ (int[] datacap) {
		return CMO.allowQ_tag(datacap, DISCRIMINATOR()) && a.allowQ(datacap);
    }

  private int sign(int a){
    if(a>0){
      return 1;
    }else if(a<0){
      return -1;
    }
    return 0;
  }

  protected void sendByObject(OpenXMstream os) throws IOException{
    a.sendByObject(os);
    b.sendByObject(os);
  }

  static protected CMO receive(OpenXMstream is) throws IOException{
    CMO_ZZ a,b;

    a = (CMO_ZZ)CMO_ZZ.receive(is);
    b = (CMO_ZZ)CMO_ZZ.receive(is);

    return new CMO_QQ(a,b);
  }

  protected String toCMOexpressionByObject(){
    return "CMO_QQ,"+ a.toCMOexpression() +","+ b.toCMOexpression();
  }
}