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File: [local] / OpenXM / src / OpenMath / ORG / openxm / tam / CMO_ZZ.java (download)
Revision 1.3, Wed Oct 11 08:32:15 2000 UTC (23 years, 10 months ago) by ohara
I have replaced all stdout by stderr, that is, System.out.println ==> System.err.println |
/** * $OpenXM: OpenXM/src/OpenMath/ORG/openxm/tam/CMO_ZZ.java,v 1.3 2000/10/11 08:32:15 ohara Exp $ */ package ORG.openxm.tam; import java.io.*; import java.math.BigInteger; /** * CMO $B7A<0$N(B ZZ $B7?$rI=$7$^$9(B. */ final public class CMO_ZZ extends CMO{ private BigInteger num; /** * num $B$rCM$H$9$k(B ZZ $B$r:n@.$7$^$9(B. */ public CMO_ZZ(BigInteger num){ this.num = num; } public CMO_ZZ(String str) throws NumberFormatException{ if(str.startsWith("+")){ this.num = new BigInteger(str.substring(1)); }else{ this.num = new BigInteger(str); } } /** * $BCM$r(B int $B7?$GF@$^$9(B. */ public int intValue(){ return num.intValue(); } /** * $BCM$r(B BigInteger $B7?$GF@$^$9(B. */ public BigInteger BigIntValue(){ return num; } public int DISCRIMINATOR(){ return CMO.ZZ; } static private int sign(int a){ if(a>0){ return 1; }else if(a<0){ return -1; } return 0; } public void sendByObject(OpenXMstream os) throws IOException{ if(this.num.signum()==0){ os.writeInt(0); }else{ int len = (this.num.abs().bitLength()+31)/32; //System.err.println("sing0: "+this.num.bitLength()); //System.err.println("sing1: "+this.num.abs().bitLength()); os.writeInt(this.num.signum()*len); //System.err.println("sing: "+this.num.signum()*len); for(BigInteger a = this.num.abs();a.compareTo(new BigInteger("0"))>0; a = a.divide(new BigInteger("4294967296"))){ os.writeInt(a.remainder(new BigInteger("4294967296")).intValue()); //System.err.println("remaind: "+a.remainder(new BigInteger("4294967296")).intValue()); } } } static protected CMO receive(OpenXMstream is) throws IOException{ int len; BigInteger a = new BigInteger("0"); len = is.readInt(); for(int i=0;i<Math.abs(len);i++){ BigInteger b = new BigInteger(""+is.readInt()); b = b.add(new BigInteger("4294967296")).remainder(new BigInteger("4294967296")); b = new BigInteger("4294967296").pow(i).multiply(b); a = a.add(b); } if(len<0){ a = a.negate(); } return new CMO_ZZ(a); } public String toCMOexpressionByObject() throws NumberFormatException{ return "CMO_ZZ,"+ this.num; } }