/*
* Copyright (c) 2009-2015
* IT-Consulting Stephan Schloepke (http://www.schloepke.de/)
* klemm software consulting Mirko Klemm (http://www.klemm-scs.com/)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jbasics.math;
/**
* Extension to the interface {@link IrationalNumber} which can be used to access the information what the current
* memorized precision is and if the the memorized number is the an exact result.
*
* @param <T> The type of the number.
*
* @author Stephan Schloepke
* @since 1.0
*/
public interface MemorizedIrationalNumber<T> extends IrationalNumber<T> {
/**
* Returns the current precision if a result is memorized.
*
* @return The current precision of the memorized number or zero if no number is memorized.
*
* @since 1.0
*/
int precision();
/**
* Returns true if the memorized number is an exact number or not.
*
* @return True if the memorized number is exact.
*
* @since 1.0
*/
boolean isExact();
}