/* * ======================================================================== * * Copyright 2005 Tim O'Brien. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * ======================================================================== */ package com.discursive.jccook.lang.math; import org.apache.commons.lang.math.Fraction; public class FractionExample { public static void main(String[] args) { Fraction numer1 = Fraction.getFraction( 3, 4 ); Fraction numer2 = Fraction.getFraction( 51, 3509 ); Fraction numerator = numer1.multiplyBy( numer2 ); Fraction denominator = Fraction.getFraction( 41, 59 ); Fraction result = numerator.divideBy( denominator ); System.out.println( "Expression as Fraction: " + result.reduce().toString() ); System.out.println( "Expression as double: " + result.doubleValue() ); Fraction test1 = Fraction.getFraction( 1, 2 ); Fraction test2 = Fraction.getFraction( 2, 4 ); System.out.println( "1/2 equals 2/4: " + test1.equals( test2 ) ); double value = Fraction.getFraction( 10000, 100000 ).pow( 6 ).doubleValue(); double reduced = Fraction.getFraction( 10000, 100000 ).reduce().pow( 6 ).doubleValue(); System.out.println( "Fraction to pow 6 without reduction: " + value ); System.out.println( "Fraction to pow 6 with reduction: " + reduced ); } }