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Time Series Analysis in Java
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/*
* Copyright (c) 2016 Jacob Rachiele
*
* 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.
*
* Contributors:
*
* Jacob Rachiele
*/
package math;
import lombok.NonNull;
/**
* Represents an element of a mathematical field.
*
* @param The type of field element.
* @author Jacob Rachiele
*/
public interface FieldElement extends Comparable {
/**
* Add this element to the given element.
*
* @param other the element to add to this element.
* @return this element added to the given element.
*/
T plus(T other);
/**
* Subtract the given element from this element.
*
* @param other the element to subtract from this element.
* @return this element subtracted by the given element.
*/
T minus(T other);
/**
* Multiply this element by the given element.
*
* @param other the element to multiply this element by.
* @return this element multiplied by the given element.
*/
T times(T other);
/**
*
* The square root operation applied to this element.
*
* @return the square root of this element.
*/
T sqrt();
/**
* Compute and return the conjugate of this element.
*
* @return the conjugate of this element.
*/
T conjugate();
/**
* Return the element of this field that, when added to this element, produces the additive identity.
*
* @return the element of this field that, when added to this element, produces the additive identity.
*/
T additiveInverse();
/**
* Compute and return the absolute value of this element.
*
* @return the absolute value of this element.
*/
double abs();
/**
*
* Divide this element by the given element and return the result.
*
* @param other the divisor.
*
* @return this element divided by the given element.
*/
T dividedBy(T other);
/**
*
* Divide this element by the given integer and return the result.
*
* @param other the divisor.
*
* @return this element divided by the given integer.
*/
T dividedBy(int other);
}
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