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| author | dwinter |
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| date | Mon, 10 Oct 2011 17:52:22 +0200 |
| parents | 878723cc40fb |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--NewPage--> <HTML> <HEAD> <!-- Generated by javadoc (build 1.6.0_17) on Sat Mar 27 22:46:11 EDT 2010 --> <META http-equiv="Content-Type" content="text/html; charset=UTF-8"> <TITLE> Fraction (Commons Math 2.1 API) </TITLE> <META NAME="date" CONTENT="2010-03-27"> <LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"> <SCRIPT type="text/javascript"> function windowTitle() { if (location.href.indexOf('is-external=true') == -1) { parent.document.title="Fraction (Commons Math 2.1 API)"; } } </SCRIPT> <NOSCRIPT> </NOSCRIPT> </HEAD> <BODY BGCOLOR="white" onload="windowTitle();"> <HR> <!-- ========= START OF TOP NAVBAR ======= --> <A NAME="navbar_top"><!-- --></A> <A HREF="#skip-navbar_top" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_top_firstrow"><!-- --></A> <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Fraction.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR> </TABLE> </TD> <TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM> </EM> </TD> </TR> <TR> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../org/apache/commons/math/fraction/BigFractionFormat.html" title="class in org.apache.commons.math.fraction"><B>PREV CLASS</B></A> <A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction"><B>NEXT CLASS</B></A></FONT></TD> <TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html?org/apache/commons/math/fraction/Fraction.html" target="_top"><B>FRAMES</B></A> <A HREF="Fraction.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--> </SCRIPT> <NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A> </NOSCRIPT> </FONT></TD> </TR> <TR> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> <TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD> </TR> </TABLE> <A NAME="skip-navbar_top"></A> <!-- ========= END OF TOP NAVBAR ========= --> <HR> <!-- ======== START OF CLASS DATA ======== --> <H2> <FONT SIZE="-1"> org.apache.commons.math.fraction</FONT> <BR> Class Fraction</H2> <PRE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">java.lang.Number</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.commons.math.fraction.Fraction</B> </PRE> <DL> <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>>, <A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></DD> </DL> <HR> <DL> <DT><PRE>public class <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.34"><B>Fraction</B></A><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A><DT>implements <A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>>, <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</A></DL> </PRE> <P> Representation of a rational number. implements Serializable since 2.0 <P> <P> <DL> <DT><B>Since:</B></DT> <DD>1.1</DD> <DT><B>Version:</B></DT> <DD>$Revision: 922715 $ $Date: 2010-03-13 20:38:14 -0500 (Sat, 13 Mar 2010) $</DD> <DT><B>See Also:</B><DD><A HREF="../../../../../serialized-form.html#org.apache.commons.math.fraction.Fraction">Serialized Form</A></DL> <HR> <P> <!-- =========== FIELD SUMMARY =========== --> <A NAME="field_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Field Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#FOUR_FIFTHS">FOUR_FIFTHS</A></B></CODE> <BR> A fraction representing "4/5".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#MINUS_ONE">MINUS_ONE</A></B></CODE> <BR> A fraction representing "-1 / 1".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ONE">ONE</A></B></CODE> <BR> A fraction representing "1".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ONE_FIFTH">ONE_FIFTH</A></B></CODE> <BR> A fraction representing "1/5".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ONE_HALF">ONE_HALF</A></B></CODE> <BR> A fraction representing "1/2".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ONE_QUARTER">ONE_QUARTER</A></B></CODE> <BR> A fraction representing "1/4".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ONE_THIRD">ONE_THIRD</A></B></CODE> <BR> A fraction representing "1/3".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#THREE_FIFTHS">THREE_FIFTHS</A></B></CODE> <BR> A fraction representing "3/5".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#THREE_QUARTERS">THREE_QUARTERS</A></B></CODE> <BR> A fraction representing "3/4".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#TWO">TWO</A></B></CODE> <BR> A fraction representing "2 / 1".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#TWO_FIFTHS">TWO_FIFTHS</A></B></CODE> <BR> A fraction representing "2/5".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#TWO_QUARTERS">TWO_QUARTERS</A></B></CODE> <BR> A fraction representing "2/4".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#TWO_THIRDS">TWO_THIRDS</A></B></CODE> <BR> A fraction representing "2/3".</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#ZERO">ZERO</A></B></CODE> <BR> A fraction representing "0".</TD> </TR> </TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --> <A NAME="constructor_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Constructor Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#Fraction(double)">Fraction</A></B>(double value)</CODE> <BR> Create a fraction given the double value.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#Fraction(double, double, int)">Fraction</A></B>(double value, double epsilon, int maxIterations)</CODE> <BR> Create a fraction given the double value and maximum error allowed.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#Fraction(double, int)">Fraction</A></B>(double value, int maxDenominator)</CODE> <BR> Create a fraction given the double value and maximum denominator.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#Fraction(int)">Fraction</A></B>(int num)</CODE> <BR> Create a fraction from an int.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#Fraction(int, int)">Fraction</A></B>(int num, int den)</CODE> <BR> Create a fraction given the numerator and denominator.</TD> </TR> </TABLE> <!-- ========== METHOD SUMMARY =========== --> <A NAME="method_summary"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> <B>Method Summary</B></FONT></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#abs()">abs</A></B>()</CODE> <BR> Returns the absolute value of this fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#add(org.apache.commons.math.fraction.Fraction)">add</A></B>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</CODE> <BR> Adds the value of this fraction to another, returning the result in reduced form.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#add(int)">add</A></B>(int i)</CODE> <BR> Add an integer to the fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#compareTo(org.apache.commons.math.fraction.Fraction)">compareTo</A></B>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> object)</CODE> <BR> Compares this object to another based on size.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#divide(org.apache.commons.math.fraction.Fraction)">divide</A></B>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</CODE> <BR> Divide the value of this fraction by another.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#divide(int)">divide</A></B>(int i)</CODE> <BR> Divide the fraction by an integer.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> double</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#doubleValue()">doubleValue</A></B>()</CODE> <BR> Gets the fraction as a <tt>double</tt>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> boolean</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> other)</CODE> <BR> Test for the equality of two fractions.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> float</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#floatValue()">floatValue</A></B>()</CODE> <BR> Gets the fraction as a <tt>float</tt>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#getDenominator()">getDenominator</A></B>()</CODE> <BR> Access the denominator.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/FractionField.html" title="class in org.apache.commons.math.fraction">FractionField</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#getField()">getField</A></B>()</CODE> <BR> Get the <A HREF="../../../../../org/apache/commons/math/Field.html" title="interface in org.apache.commons.math"><CODE>Field</CODE></A> to which the instance belongs.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#getNumerator()">getNumerator</A></B>()</CODE> <BR> Access the numerator.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE>static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#getReducedFraction(int, int)">getReducedFraction</A></B>(int numerator, int denominator)</CODE> <BR> Creates a <code>Fraction</code> instance with the 2 parts of a fraction Y/Z.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#hashCode()">hashCode</A></B>()</CODE> <BR> Gets a hashCode for the fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> int</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#intValue()">intValue</A></B>()</CODE> <BR> Gets the fraction as an <tt>int</tt>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> long</CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#longValue()">longValue</A></B>()</CODE> <BR> Gets the fraction as a <tt>long</tt>.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#multiply(org.apache.commons.math.fraction.Fraction)">multiply</A></B>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</CODE> <BR> Multiplies the value of this fraction by another, returning the result in reduced form.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#multiply(int)">multiply</A></B>(int i)</CODE> <BR> Multiply the fraction by an integer.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#negate()">negate</A></B>()</CODE> <BR> Return the additive inverse of this fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#reciprocal()">reciprocal</A></B>()</CODE> <BR> Return the multiplicative inverse of this fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#subtract(org.apache.commons.math.fraction.Fraction)">subtract</A></B>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</CODE> <BR> Subtracts the value of another fraction from the value of this one, returning the result in reduced form.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#subtract(int)">subtract</A></B>(int i)</CODE> <BR> Subtract an integer from the fraction.</TD> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> <TD><CODE><B><A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html#toString()">toString</A></B>()</CODE> <BR> Returns the <code>String</code> representing this fraction, ie "num / dem" or just "num" if the denominator is one.</TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_java.lang.Number"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#byteValue()" title="class or interface in java.lang">byteValue</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#shortValue()" title="class or interface in java.lang">shortValue</A></CODE></TD> </TR> </TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> </TR> <TR BGCOLOR="white" CLASS="TableRowColor"> <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> </TR> </TABLE> <P> <!-- ============ FIELD DETAIL =========== --> <A NAME="field_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Field Detail</B></FONT></TH> </TR> </TABLE> <A NAME="TWO"><!-- --></A><H3> TWO</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.39"><B>TWO</B></A></PRE> <DL> <DD>A fraction representing "2 / 1". <P> <DL> </DL> </DL> <HR> <A NAME="ONE"><!-- --></A><H3> ONE</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.42"><B>ONE</B></A></PRE> <DL> <DD>A fraction representing "1". <P> <DL> </DL> </DL> <HR> <A NAME="ZERO"><!-- --></A><H3> ZERO</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.45"><B>ZERO</B></A></PRE> <DL> <DD>A fraction representing "0". <P> <DL> </DL> </DL> <HR> <A NAME="FOUR_FIFTHS"><!-- --></A><H3> FOUR_FIFTHS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.48"><B>FOUR_FIFTHS</B></A></PRE> <DL> <DD>A fraction representing "4/5". <P> <DL> </DL> </DL> <HR> <A NAME="ONE_FIFTH"><!-- --></A><H3> ONE_FIFTH</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.51"><B>ONE_FIFTH</B></A></PRE> <DL> <DD>A fraction representing "1/5". <P> <DL> </DL> </DL> <HR> <A NAME="ONE_HALF"><!-- --></A><H3> ONE_HALF</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.54"><B>ONE_HALF</B></A></PRE> <DL> <DD>A fraction representing "1/2". <P> <DL> </DL> </DL> <HR> <A NAME="ONE_QUARTER"><!-- --></A><H3> ONE_QUARTER</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.57"><B>ONE_QUARTER</B></A></PRE> <DL> <DD>A fraction representing "1/4". <P> <DL> </DL> </DL> <HR> <A NAME="ONE_THIRD"><!-- --></A><H3> ONE_THIRD</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.60"><B>ONE_THIRD</B></A></PRE> <DL> <DD>A fraction representing "1/3". <P> <DL> </DL> </DL> <HR> <A NAME="THREE_FIFTHS"><!-- --></A><H3> THREE_FIFTHS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.63"><B>THREE_FIFTHS</B></A></PRE> <DL> <DD>A fraction representing "3/5". <P> <DL> </DL> </DL> <HR> <A NAME="THREE_QUARTERS"><!-- --></A><H3> THREE_QUARTERS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.66"><B>THREE_QUARTERS</B></A></PRE> <DL> <DD>A fraction representing "3/4". <P> <DL> </DL> </DL> <HR> <A NAME="TWO_FIFTHS"><!-- --></A><H3> TWO_FIFTHS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.69"><B>TWO_FIFTHS</B></A></PRE> <DL> <DD>A fraction representing "2/5". <P> <DL> </DL> </DL> <HR> <A NAME="TWO_QUARTERS"><!-- --></A><H3> TWO_QUARTERS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.72"><B>TWO_QUARTERS</B></A></PRE> <DL> <DD>A fraction representing "2/4". <P> <DL> </DL> </DL> <HR> <A NAME="TWO_THIRDS"><!-- --></A><H3> TWO_THIRDS</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.75"><B>TWO_THIRDS</B></A></PRE> <DL> <DD>A fraction representing "2/3". <P> <DL> </DL> </DL> <HR> <A NAME="MINUS_ONE"><!-- --></A><H3> MINUS_ONE</H3> <PRE> public static final <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.78"><B>MINUS_ONE</B></A></PRE> <DL> <DD>A fraction representing "-1 / 1". <P> <DL> </DL> </DL> <!-- ========= CONSTRUCTOR DETAIL ======== --> <A NAME="constructor_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Constructor Detail</B></FONT></TH> </TR> </TABLE> <A NAME="Fraction(double)"><!-- --></A><H3> Fraction</H3> <PRE> public <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.107"><B>Fraction</B></A>(double value) throws <A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></PRE> <DL> <DD>Create a fraction given the double value. <P> <DL> <DT><B>Parameters:</B><DD><CODE>value</CODE> - the double value to convert to a fraction. <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></CODE> - if the continued fraction failed to converge.</DL> </DL> <HR> <A NAME="Fraction(double, double, int)"><!-- --></A><H3> Fraction</H3> <PRE> public <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.127"><B>Fraction</B></A>(double value, double epsilon, int maxIterations) throws <A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></PRE> <DL> <DD>Create a fraction given the double value and maximum error allowed. <p> References: <ul> <li><a href="http://mathworld.wolfram.com/ContinuedFraction.html"> Continued Fraction</a> equations (11) and (22)-(26)</li> </ul> </p> <P> <DL> <DT><B>Parameters:</B><DD><CODE>value</CODE> - the double value to convert to a fraction.<DD><CODE>epsilon</CODE> - maximum error allowed. The resulting fraction is within <code>epsilon</code> of <code>value</code>, in absolute terms.<DD><CODE>maxIterations</CODE> - maximum number of convergents <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></CODE> - if the continued fraction failed to converge.</DL> </DL> <HR> <A NAME="Fraction(double, int)"><!-- --></A><H3> Fraction</H3> <PRE> public <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.147"><B>Fraction</B></A>(double value, int maxDenominator) throws <A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></PRE> <DL> <DD>Create a fraction given the double value and maximum denominator. <p> References: <ul> <li><a href="http://mathworld.wolfram.com/ContinuedFraction.html"> Continued Fraction</a> equations (11) and (22)-(26)</li> </ul> </p> <P> <DL> <DT><B>Parameters:</B><DD><CODE>value</CODE> - the double value to convert to a fraction.<DD><CODE>maxDenominator</CODE> - The maximum allowed value for denominator <DT><B>Throws:</B> <DD><CODE><A HREF="../../../../../org/apache/commons/math/fraction/FractionConversionException.html" title="class in org.apache.commons.math.fraction">FractionConversionException</A></CODE> - if the continued fraction failed to converge</DL> </DL> <HR> <A NAME="Fraction(int)"><!-- --></A><H3> Fraction</H3> <PRE> public <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.254"><B>Fraction</B></A>(int num)</PRE> <DL> <DD>Create a fraction from an int. The fraction is num / 1. <P> <DL> <DT><B>Parameters:</B><DD><CODE>num</CODE> - the numerator.</DL> </DL> <HR> <A NAME="Fraction(int, int)"><!-- --></A><H3> Fraction</H3> <PRE> public <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.265"><B>Fraction</B></A>(int num, int den)</PRE> <DL> <DD>Create a fraction given the numerator and denominator. The fraction is reduced to lowest terms. <P> <DL> <DT><B>Parameters:</B><DD><CODE>num</CODE> - the numerator.<DD><CODE>den</CODE> - the denominator. <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the denominator is <code>zero</code></DL> </DL> <!-- ============ METHOD DETAIL ========== --> <A NAME="method_detail"><!-- --></A> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> <B>Method Detail</B></FONT></TH> </TR> </TABLE> <A NAME="abs()"><!-- --></A><H3> abs</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.298"><B>abs</B></A>()</PRE> <DL> <DD>Returns the absolute value of this fraction. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the absolute value.</DL> </DD> </DL> <HR> <A NAME="compareTo(org.apache.commons.math.fraction.Fraction)"><!-- --></A><H3> compareTo</H3> <PRE> public int <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.314"><B>compareTo</B></A>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> object)</PRE> <DL> <DD>Compares this object to another based on size. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true#compareTo(T)" title="class or interface in java.lang">compareTo</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>object</CODE> - the object to compare to <DT><B>Returns:</B><DD>-1 if this is less than <tt>object</tt>, +1 if this is greater than <tt>object</tt>, 0 if they are equal.</DL> </DD> </DL> <HR> <A NAME="doubleValue()"><!-- --></A><H3> doubleValue</H3> <PRE> public double <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.326"><B>doubleValue</B></A>()</PRE> <DL> <DD>Gets the fraction as a <tt>double</tt>. This calculates the fraction as the numerator divided by denominator. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#doubleValue()" title="class or interface in java.lang">doubleValue</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the fraction as a <tt>double</tt></DL> </DD> </DL> <HR> <A NAME="equals(java.lang.Object)"><!-- --></A><H3> equals</H3> <PRE> public boolean <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.340"><B>equals</B></A>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> other)</PRE> <DL> <DD>Test for the equality of two fractions. If the lowest term numerator and denominators are the same for both fractions, the two fractions are considered to be equal. <P> <DD><DL> <DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>other</CODE> - fraction to test for equality to this fraction <DT><B>Returns:</B><DD>true if two fractions are equal, false if object is <tt>null</tt>, not an instance of <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction"><CODE>Fraction</CODE></A>, or not equal to this fraction instance.</DL> </DD> </DL> <HR> <A NAME="floatValue()"><!-- --></A><H3> floatValue</H3> <PRE> public float <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.360"><B>floatValue</B></A>()</PRE> <DL> <DD>Gets the fraction as a <tt>float</tt>. This calculates the fraction as the numerator divided by denominator. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#floatValue()" title="class or interface in java.lang">floatValue</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the fraction as a <tt>float</tt></DL> </DD> </DL> <HR> <A NAME="getDenominator()"><!-- --></A><H3> getDenominator</H3> <PRE> public int <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.368"><B>getDenominator</B></A>()</PRE> <DL> <DD>Access the denominator. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the denominator.</DL> </DD> </DL> <HR> <A NAME="getNumerator()"><!-- --></A><H3> getNumerator</H3> <PRE> public int <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.376"><B>getNumerator</B></A>()</PRE> <DL> <DD>Access the numerator. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the numerator.</DL> </DD> </DL> <HR> <A NAME="hashCode()"><!-- --></A><H3> hashCode</H3> <PRE> public int <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.385"><B>hashCode</B></A>()</PRE> <DL> <DD>Gets a hashCode for the fraction. <P> <DD><DL> <DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>a hash code value for this object</DL> </DD> </DL> <HR> <A NAME="intValue()"><!-- --></A><H3> intValue</H3> <PRE> public int <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.395"><B>intValue</B></A>()</PRE> <DL> <DD>Gets the fraction as an <tt>int</tt>. This returns the whole number part of the fraction. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#intValue()" title="class or interface in java.lang">intValue</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the whole number fraction part</DL> </DD> </DL> <HR> <A NAME="longValue()"><!-- --></A><H3> longValue</H3> <PRE> public long <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.405"><B>longValue</B></A>()</PRE> <DL> <DD>Gets the fraction as a <tt>long</tt>. This returns the whole number part of the fraction. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true#longValue()" title="class or interface in java.lang">longValue</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Number.html?is-external=true" title="class or interface in java.lang">Number</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the whole number fraction part</DL> </DD> </DL> <HR> <A NAME="negate()"><!-- --></A><H3> negate</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.413"><B>negate</B></A>()</PRE> <DL> <DD>Return the additive inverse of this fraction. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the negation of this fraction.</DL> </DD> </DL> <HR> <A NAME="reciprocal()"><!-- --></A><H3> reciprocal</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.425"><B>reciprocal</B></A>()</PRE> <DL> <DD>Return the multiplicative inverse of this fraction. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>the reciprocal fraction</DL> </DD> </DL> <HR> <A NAME="add(org.apache.commons.math.fraction.Fraction)"><!-- --></A><H3> add</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.439"><B>add</B></A>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</PRE> <DL> <DD><p>Adds the value of this fraction to another, returning the result in reduced form. The algorithm follows Knuth, 4.5.1.</p> <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html#add(T)">add</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>fraction</CODE> - the fraction to add, must not be <code>null</code> <DT><B>Returns:</B><DD>a <code>Fraction</code> instance with the resulting values <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the fraction is <code>null</code> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the resulting numerator or denominator exceeds <code>Integer.MAX_VALUE</code></DL> </DD> </DL> <HR> <A NAME="add(int)"><!-- --></A><H3> add</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.448"><B>add</B></A>(int i)</PRE> <DL> <DD>Add an integer to the fraction. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>i</CODE> - the <tt>integer</tt> to add. <DT><B>Returns:</B><DD>this + i</DL> </DD> </DL> <HR> <A NAME="subtract(org.apache.commons.math.fraction.Fraction)"><!-- --></A><H3> subtract</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.462"><B>subtract</B></A>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</PRE> <DL> <DD><p>Subtracts the value of another fraction from the value of this one, returning the result in reduced form.</p> <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html#subtract(T)">subtract</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>fraction</CODE> - the fraction to subtract, must not be <code>null</code> <DT><B>Returns:</B><DD>a <code>Fraction</code> instance with the resulting values <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the fraction is <code>null</code> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the resulting numerator or denominator cannot be represented in an <code>int</code>.</DL> </DD> </DL> <HR> <A NAME="subtract(int)"><!-- --></A><H3> subtract</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.471"><B>subtract</B></A>(int i)</PRE> <DL> <DD>Subtract an integer from the fraction. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>i</CODE> - the <tt>integer</tt> to subtract. <DT><B>Returns:</B><DD>this - i</DL> </DD> </DL> <HR> <A NAME="multiply(org.apache.commons.math.fraction.Fraction)"><!-- --></A><H3> multiply</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.542"><B>multiply</B></A>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</PRE> <DL> <DD><p>Multiplies the value of this fraction by another, returning the result in reduced form.</p> <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html#multiply(T)">multiply</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>fraction</CODE> - the fraction to multiply by, must not be <code>null</code> <DT><B>Returns:</B><DD>a <code>Fraction</code> instance with the resulting values <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the fraction is <code>null</code> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the resulting numerator or denominator exceeds <code>Integer.MAX_VALUE</code></DL> </DD> </DL> <HR> <A NAME="multiply(int)"><!-- --></A><H3> multiply</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.563"><B>multiply</B></A>(int i)</PRE> <DL> <DD>Multiply the fraction by an integer. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>i</CODE> - the <tt>integer</tt> to multiply by. <DT><B>Returns:</B><DD>this * i</DL> </DD> </DL> <HR> <A NAME="divide(org.apache.commons.math.fraction.Fraction)"><!-- --></A><H3> divide</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.577"><B>divide</B></A>(<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> fraction)</PRE> <DL> <DD><p>Divide the value of this fraction by another.</p> <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html#divide(T)">divide</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>fraction</CODE> - the fraction to divide by, must not be <code>null</code> <DT><B>Returns:</B><DD>a <code>Fraction</code> instance with the resulting values <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the fraction is <code>null</code> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the fraction to divide by is zero <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the resulting numerator or denominator exceeds <code>Integer.MAX_VALUE</code></DL> </DD> </DL> <HR> <A NAME="divide(int)"><!-- --></A><H3> divide</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.594"><B>divide</B></A>(int i)</PRE> <DL> <DD>Divide the fraction by an integer. <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>i</CODE> - the <tt>integer</tt> to divide by. <DT><B>Returns:</B><DD>this * i</DL> </DD> </DL> <HR> <A NAME="getReducedFraction(int, int)"><!-- --></A><H3> getReducedFraction</H3> <PRE> public static <A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.609"><B>getReducedFraction</B></A>(int numerator, int denominator)</PRE> <DL> <DD><p>Creates a <code>Fraction</code> instance with the 2 parts of a fraction Y/Z.</p> <p>Any negative signs are resolved to be on the numerator.</p> <P> <DD><DL> </DL> </DD> <DD><DL> <DT><B>Parameters:</B><DD><CODE>numerator</CODE> - the numerator, for example the three in 'three sevenths'<DD><CODE>denominator</CODE> - the denominator, for example the seven in 'three sevenths' <DT><B>Returns:</B><DD>a new fraction instance, with the numerator and denominator reduced <DT><B>Throws:</B> <DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/ArithmeticException.html?is-external=true" title="class or interface in java.lang">ArithmeticException</A></CODE> - if the denominator is <code>zero</code></DL> </DD> </DL> <HR> <A NAME="toString()"><!-- --></A><H3> toString</H3> <PRE> public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.647"><B>toString</B></A>()</PRE> <DL> <DD><p> Returns the <code>String</code> representing this fraction, ie "num / dem" or just "num" if the denominator is one. </p> <P> <DD><DL> <DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD>a string representation of the fraction.<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang"><CODE>Object.toString()</CODE></A></DL> </DD> </DL> <HR> <A NAME="getField()"><!-- --></A><H3> getField</H3> <PRE> public <A HREF="../../../../../org/apache/commons/math/fraction/FractionField.html" title="class in org.apache.commons.math.fraction">FractionField</A> <A HREF="../../../../../src-html/org/apache/commons/math/fraction/Fraction.html#line.660"><B>getField</B></A>()</PRE> <DL> <DD>Get the <A HREF="../../../../../org/apache/commons/math/Field.html" title="interface in org.apache.commons.math"><CODE>Field</CODE></A> to which the instance belongs. <P> <DD><DL> <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html#getField()">getField</A></CODE> in interface <CODE><A HREF="../../../../../org/apache/commons/math/FieldElement.html" title="interface in org.apache.commons.math">FieldElement</A><<A HREF="../../../../../org/apache/commons/math/fraction/Fraction.html" title="class in org.apache.commons.math.fraction">Fraction</A>></CODE></DL> </DD> <DD><DL> <DT><B>Returns:</B><DD><A HREF="../../../../../org/apache/commons/math/Field.html" title="interface in org.apache.commons.math"><CODE>Field</CODE></A> to which the instance belongs</DL> </DD> </DL> <!-- ========= END OF CLASS DATA ========= --> <HR> <!-- ======= START OF BOTTOM NAVBAR ====== --> <A NAME="navbar_bottom"><!-- --></A> <A HREF="#skip-navbar_bottom" title="Skip navigation links"></A> <TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""> <TR> <TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A NAME="navbar_bottom_firstrow"><!-- --></A> <TABLE 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