Initial commit.

src/main/java/fr/insa/gei/angles/IAngleFactory.java

@@ -0,0 +1,66 @@
+package fr.insa.gei.angles;
+
+public interface IAngleFactory<Angle extends IAngle> {
+
+    /**
+     * Construct a new Angle object using the given value in radians.
+     *
+     * @param radians Value of the angle in radians.
+     * @return a new Angle object.
+     */
+    public Angle fromRadians(double radians);
+
+    /**
+     * Construct a new Angle object using the given value in degrees.
+     *
+     * @param degrees Value of the angle in degrees.
+     * @return a new Angle object.
+     */
+    public Angle fromDegrees(double degrees);
+
+    /**
+     * Construct a new Angle object corresponding to the arc cosine of the given
+     * value.
+     *
+     * @param a Value for which to compute the arc cosine.
+     * @return a new Angle object.
+     */
+    public default Angle acos(double a) {
+        return fromRadians(Math.acos(a));
+    }
+
+    /**
+     * Construct a new Angle object corresponding to the arc sine of the given
+     * value.
+     *
+     * @param a Value for which to compute the arc sine.
+     * @return a new Angle object.
+     */
+    public default Angle asin(double a) {
+        return fromRadians(Math.asin(a));
+    }
+
+    /**
+     * Construct a new Angle object corresponding to the arc tangent of the given
+     * value.
+     *
+     * @param a Value for which to compute the arc tangent.
+     * @return a new Angle object.
+     */
+    public default Angle atan(double a) {
+        return fromRadians(Math.atan(a));
+    }
+
+    /**
+     * Construct a new Angle object corresponding to the arc tangent of the given
+     * values.
+     *
+     * @param y Value for which to compute the arc tangent.
+     * @param x Value for which to compute the arc tangent.
+     * @return a new Angle object.
+     */
+    public default Angle atan2(double y, double x) {
+        return fromRadians(Math.atan2(y, x));
+    }
+
+}