69 lines
1.7 KiB
Java
69 lines
1.7 KiB
Java
package fr.alnotz.quaternion;
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public class Dual implements IsDual{
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private double r;
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private double d;
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public Dual(){
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this.r = 0;
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this.d = 0;
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}
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public Dual(double r, double d){
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this.r = r;
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this.d = d;
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}
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public static Dual plus(IsDual dual0, IsDual dual1){
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return new Dual(dual0.getR() + dual1.getR(), dual0.getD() + dual1.getD());
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}
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public static Dual times(IsDual dual0, IsDual dual1){
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return new Dual(dual0.getR() * dual1.getR(), dual0.getR() * dual1.getD() + dual1.getR() * dual0.getD());
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}
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public static Dual conjugate(IsDual dual){
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return new Dual(dual.getR(), -1 * dual.getD());
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}
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public static boolean equals(IsDual dual0, IsDual dual1){
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return dual0.getR() == dual1.getR() && dual0.getD() == dual1.getD();
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}
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@Override
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public double getR() {
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return this.r;
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}
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@Override
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public double getD() {
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return this.d;
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}
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@Override
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public void setR(double r) {
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this.r = r;
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}
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@Override
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public void setD(double d) {
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this.d = d;
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}
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@Override
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public Dual plus(IsDual dual) {
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return new Dual(this.r + dual.getR(),
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this.d + dual.getD());
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}
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@Override
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public Dual times(IsDual dual) {
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return new Dual(this.r * dual.getR(),
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this.r * dual.getD() + this.d * dual.getR());
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}
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@Override
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public Dual conjugate(){
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return new Dual(this.r, this.d * -1);
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}
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@Override
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public boolean equals(IsDual dual) {
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return this.r == dual.getR() && this.d == dual.getD();
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}
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@Override
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public String toString(){
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return String.format("%+f %+fε\n", this.r, this.d);
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}
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}
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