Initial commit.

src/main/java/fr/insa/gei/App.java

@@ -0,0 +1,10 @@
+package fr.insa.gei;
+
+/**
+ * Hello world!
+ */
+public class App {
+    public static void main(String[] args) {
+        System.out.println("Hello World!");
+    }
+}

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

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+package fr.insa.gei.angles;
+
+public interface IAngle extends Comparable<IAngle> {
+
+    /**
+     * Get the value of this angle in degrees.
+     *
+     * @return the value of this angle in degrees.
+     */
+    double toDegrees();
+
+    /**
+     * Get the value of this angle in radians.
+     *
+     * @return the value of this angle in radians.
+     */
+    double toRadians();
+
+    /**
+     * Get the cosine of this angle.
+     *
+     * @return the cosine of this angle.
+     */
+    double cos();
+
+    /**
+     * Get the sine of this angle.
+     *
+     * @return the sine of this angle.
+     */
+    double sin();
+
+    /**
+     * Get the tangent of this angle.
+     *
+     * @return the tangent of this angle.
+     */
+    double tan();
+
+    /**
+     * Add another angle to this angle.
+     *
+     * @param other The other angle to add.
+     * @return a new angle representing the sum of this angle and the other angle.
+     */
+    IAngle add(IAngle other);
+
+    /**
+     * Subtract another angle from this angle.
+     *
+     * @param other The other angle to subtract.
+     * @return a new angle representing the difference between this angle and the
+     *         other angle.
+     */
+    IAngle sub(IAngle other);
+
+    /**
+     * Multiply this angle by a factor.
+     *
+     * @param factor The factor to multiply by.
+     * @return a new angle representing this angle multiplied by the factor.
+     */
+    IAngle mul(double factor);
+
+    /**
+     * Divide this angle by a divisor.
+     *
+     * @param divisor The divisor to divide by.
+     * @return a new angle representing this angle divided by the divisor.
+     */
+    IAngle div(double divisor);
+
+}

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

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+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));
+    }
+
+}

src/main/java/fr/insa/gei/fractions/IFraction.java

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+package fr.insa.gei.fractions;
+
+public interface IFraction extends Comparable<IFraction> {
+
+    /**
+     * Get the numerator of this fraction in lowest term.
+     *
+     * @return the numerator of this fraction in lowest term.
+     */
+    public int getNumerator();
+
+    /**
+     * Get the denominator of this fraction in lowest term.
+     *
+     * @return the denominator of this fraction in lowest term.
+     */
+    public int getDenominator();
+
+    /**
+     * Add another fraction to this fraction.
+     *
+     * @param f the fraction to add
+     * @return the result of the addition
+     */
+    public IFraction add(IFraction f);
+
+    /**
+     * Add an integer value to this fraction.
+     *
+     * @param value the integer value to add
+     * @return the result of the addition
+     */
+    public IFraction add(int value);
+
+    /**
+     * Subtract another fraction from this fraction.
+     *
+     * @param f the fraction to subtract
+     * @return the result of the subtraction
+     */
+    public IFraction sub(IFraction f);
+
+    /**
+     * Subtract an integer value from this fraction.
+     *
+     * @param value the integer value to subtract
+     * @return the result of the subtraction
+     */
+    public IFraction sub(int value);
+
+    /**
+     * Multiply this fraction by another fraction.
+     *
+     * @param f the fraction to multiply by
+     * @return the result of the multiplication
+     */
+    public IFraction mul(IFraction f);
+
+    /**
+     * Multiply this fraction by an integer value.
+     *
+     * @param value the integer value to multiply by
+     * @return the result of the multiplication
+     */
+    public IFraction mul(int value);
+
+    /**
+     * Divide this fraction by another fraction.
+     *
+     * @param f the fraction to divide by
+     * @return the result of the division
+     */
+    public IFraction div(IFraction f);
+
+    /**
+     * Divide this fraction by an integer value.
+     *
+     * @param value the integer value to divide by
+     * @return the result of the division
+     */
+    public IFraction div(int value);
+
+    /**
+     * Invert this fraction.
+     *
+     * @return the inverted fraction
+     */
+    public IFraction inv();
+
+    /**
+     * Negate this fraction.
+     *
+     * @return the negated fraction
+     */
+    public IFraction neg();
+
+    /**
+     * Convert this fraction to a double value.
+     *
+     * @return the double value of this fraction
+     */
+    public double toDouble();
+
+}

src/main/java/fr/insa/gei/fractions/IFractionFactory.java

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+package fr.insa.gei.fractions;
+
+public interface IFractionFactory<Fraction extends IFraction> {
+
+    /**
+     * Creates a fraction with given numerator and denominator.
+     *
+     * @param numerator   the numerator of the fraction
+     * @param denominator the denominator of the fraction
+     * @return a new fraction instance
+     */
+    public Fraction create(int numerator, int denominator);
+
+    /**
+     * Creates a fraction with given numerator and denominator equal to 1.
+     *
+     * @param numerator the numerator of the fraction
+     * @return a new fraction instance
+     */
+    public default Fraction create(int numerator) {
+        return this.create(numerator, 1);
+    }
+
+}