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/**
* Copyright (c) Rich Hickey. All rights reserved.
* The use and distribution terms for this software are covered by the
* Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
* which can be found in the file CPL.TXT at the root of this distribution.
* By using this software in any fashion, you are agreeing to be bound by
* the terms of this license.
* You must not remove this notice, or any other, from this software.
**/
/* rich Mar 28, 2006 10:14:44 AM */
using System;
using java.math;
namespace org.clojure.runtime
{
public class RatioNum : RationalNum{
override public Boolean Equals(Object arg0)
{
return arg0 != null
&& arg0 is RatioNum
&& ((RatioNum) arg0).numerator.Equals(numerator)
&& ((RatioNum) arg0).denominator.Equals(denominator);
}
override public int GetHashCode()
{
return numerator.GetHashCode() ^ denominator.GetHashCode();
}
override public String ToString()
{
return numerator.ToString() + "/" + denominator.ToString();
}
public IntegerNum numerator;
public IntegerNum denominator;
public RatioNum(IntegerNum n, IntegerNum d)
{
this.numerator = n;
this.denominator = d;
}
override public double doubleValue()
{
return numerator.doubleValue() / denominator.doubleValue();
}
override public float floatValue()
{
return (float) doubleValue();
}
override public int intValue()
{
return (int) doubleValue();
}
override public long longValue()
{
return (long) doubleValue();
}
override public Boolean equiv(Num rhs)
{
return rhs.equivTo(this);
}
override public Boolean equivTo(BigInteger x)
{
return false;
}
override public Boolean equivTo(int x)
{
return false;
}
override public Boolean equivTo(RatioNum x)
{
return numerator.equiv(x.numerator) && denominator.equiv(x.denominator);
}
override public Boolean lt(Num rhs)
{
return rhs.gt(this);
}
override public Boolean gt(BigInteger x)
{
return denominator.multiply(x).lt(numerator);
}
override public Boolean gt(int x)
{
return denominator.multiply(x).lt(numerator);
}
override public Boolean gt(RatioNum x)
{
return x.numerator.multiplyBy(denominator).lt(numerator.multiplyBy(x.denominator));
}
override public Num add(Num rhs)
{
return rhs.addTo(this);
}
override public Num addTo(BigInteger x)
{
return Num.divide(numerator.add(denominator.multiply(x)), denominator);
}
override public Num addTo(int x)
{
return Num.divide(numerator.add(denominator.multiply(x)), denominator);
}
override public Num addTo(RatioNum x)
{
return Num.divide(numerator.multiplyBy(x.denominator)
.add(x.numerator.multiplyBy(denominator))
, denominator.multiplyBy(x.denominator));
}
override public Num subtractFrom(Num x)
{
return x.add(this.multiply(-1));
}
override public Num multiplyBy(Num rhs)
{
return rhs.multiply(this);
}
override public Num multiply(BigInteger x)
{
return Num.divide(numerator.multiply(x), denominator);
}
override public Num multiply(int x)
{
return Num.divide(numerator.multiply(x), denominator);
}
override public Num multiply(RatioNum x)
{
return Num.divide(numerator.multiplyBy(x.numerator)
, denominator.multiplyBy(x.denominator));
}
override public Num divideBy(Num rhs)
{
return rhs.divide(this);
}
override public Num divide(BigInteger n)
{
return Num.divide(denominator.multiply(n), numerator);
}
override public Num divide(int n)
{
return Num.divide(denominator.multiply(n), numerator);
}
override public Num divide(RatioNum n)
{
return Num.divide(denominator.multiplyBy(n.numerator)
, numerator.multiplyBy(n.denominator));
}
override public Object truncateDivide(ThreadLocalData tld, Num num)
{
return num.truncateBy(tld, this);
}
override public Object truncateBy(ThreadLocalData tld, int div)
{
Num q = (Num) Num.truncate(tld, numerator, denominator.multiply(div));
return RT.setValues(tld, q, q.multiply(div).subtractFrom(this));
}
override public Object truncateBy(ThreadLocalData tld, BigInteger div)
{
Num q = (Num) Num.truncate(tld, numerator, denominator.multiply(div));
return RT.setValues(tld, q, q.multiply(div).subtractFrom(this));
}
override public Object truncateBy(ThreadLocalData tld, RatioNum div)
{
Num q = (Num) Num.truncate(tld, numerator.multiplyBy(div.denominator),
denominator.multiplyBy(div.numerator));
return RT.setValues(tld, q, q.multiplyBy(div).subtractFrom(this));
}
override public Num negate()
{
return Num.divide(numerator.negate(), denominator);
}
override public Boolean minusp()
{
return numerator.minusp();
}
override public Boolean plusp()
{
return numerator.plusp();
}
override public Num oneMinus()
{
return addTo(-1);
}
override public Num onePlus()
{
return addTo(1);
}
}
}
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