1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/clojure/lang/Ratio.java	Sat Aug 21 06:25:44 2010 -0400
     1.3 @@ -0,0 +1,78 @@
     1.4 +/**
     1.5 + *   Copyright (c) Rich Hickey. All rights reserved.
     1.6 + *   The use and distribution terms for this software are covered by the
     1.7 + *   Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
     1.8 + *   which can be found in the file epl-v10.html at the root of this distribution.
     1.9 + *   By using this software in any fashion, you are agreeing to be bound by
    1.10 + * 	 the terms of this license.
    1.11 + *   You must not remove this notice, or any other, from this software.
    1.12 + **/
    1.13 +
    1.14 +/* rich Mar 31, 2008 */
    1.15 +
    1.16 +package clojure.lang;
    1.17 +
    1.18 +import java.math.BigInteger;
    1.19 +import java.math.BigDecimal;
    1.20 +import java.math.MathContext;
    1.21 +
    1.22 +public class Ratio extends Number implements Comparable{
    1.23 +final public BigInteger numerator;
    1.24 +final public BigInteger denominator;
    1.25 +
    1.26 +public Ratio(BigInteger numerator, BigInteger denominator){
    1.27 +	this.numerator = numerator;
    1.28 +	this.denominator = denominator;
    1.29 +}
    1.30 +
    1.31 +public boolean equals(Object arg0){
    1.32 +	return arg0 != null
    1.33 +	       && arg0 instanceof Ratio
    1.34 +	       && ((Ratio) arg0).numerator.equals(numerator)
    1.35 +	       && ((Ratio) arg0).denominator.equals(denominator);
    1.36 +}
    1.37 +
    1.38 +public int hashCode(){
    1.39 +	return numerator.hashCode() ^ denominator.hashCode();
    1.40 +}
    1.41 +
    1.42 +public String toString(){
    1.43 +	return numerator.toString() + "/" + denominator.toString();
    1.44 +}
    1.45 +
    1.46 +public int intValue(){
    1.47 +	return (int) doubleValue();
    1.48 +}
    1.49 +
    1.50 +public long longValue(){
    1.51 +	return bigIntegerValue().longValue();
    1.52 +}
    1.53 +
    1.54 +public float floatValue(){
    1.55 +	return (float)doubleValue();
    1.56 +}
    1.57 +
    1.58 +public double doubleValue(){
    1.59 +	return decimalValue(MathContext.DECIMAL64).doubleValue();
    1.60 +}
    1.61 +
    1.62 +public BigDecimal decimalValue(){
    1.63 +	return decimalValue(MathContext.UNLIMITED);
    1.64 +}
    1.65 +
    1.66 +public BigDecimal decimalValue(MathContext mc){
    1.67 +	BigDecimal numerator = new BigDecimal(this.numerator);
    1.68 +	BigDecimal denominator = new BigDecimal(this.denominator);
    1.69 +
    1.70 +	return numerator.divide(denominator, mc);
    1.71 +}
    1.72 +
    1.73 +public BigInteger bigIntegerValue(){
    1.74 +	return numerator.divide(denominator);
    1.75 +}
    1.76 +
    1.77 +public int compareTo(Object o){
    1.78 +	Number other = (Number)o;
    1.79 +	return Numbers.compare(this, other);
    1.80 +}
    1.81 +}