[jira] Created: (MATH-285) FieldElement *interface* method names clash with already used method names

[Klaus Hartlage (JIRA)]

FieldElement *interface* method names clash with already used method names
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                 Key: MATH-285
                 URL: https://issues.apache.org/jira/browse/MATH-285
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 2.0
            Reporter: Klaus Hartlage
            Priority: Minor


This is probably to late to change, because release 2.0 is available now.

But it would be good if the FieldElement *interface* method names don't clash 
with already used method names (expecially with the java.util.List#add() 
method) if you would like to adopt the interface for already existing number 
type hierarchies.

For my hierachy I refactored the methods like this and could adopt the 
interface very fast. Otherwise you have to write a lot of wrappers to adopt the 
FieldElement interface.

public interface FieldElement<T> {

    /** Compute this + a.
     * @param a element to add
     * @return a new element representing this + a
     */
    T plus(T a);

    /** Compute this - a.
     * @param a element to subtract
     * @return a new element representing this - a
     */
    T minus(T a);

    /** Compute this &times; a.
     * @param a element to multiply
     * @return a new element representing this &times; a
     */
    T times(T a);

    /** Compute this &divide; a.
     * @param a element to add
     * @return a new element representing this &divide; a
     * @exception ArithmeticException if a is the zero of the
     * additive operation (i.e. additive identity)
     */
    T div(T a) throws ArithmeticException;

.....
}

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