diff --git a/src/main/java/formula/Addition.java b/src/main/java/formula/Addition.java
index 2ae230247100d80df31645acef2341eaec6a3339..8c2822d2c181b4ea8e28d8b9cb0d88ebb765db3e 100644
--- a/src/main/java/formula/Addition.java
+++ b/src/main/java/formula/Addition.java
@@ -18,11 +18,6 @@ public class Addition implements Formula {
return leftMember.eval(xValue) + rightMember.eval(xValue);
}
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
// Implémentation de la méthode toString pour retourner une représentation sous forme de chaîne
@Override
public String toString() {
@@ -37,8 +32,4 @@ public class Addition implements Formula {
return new Addition(leftMember.derivative(), rightMember.derivative());
}
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
}
diff --git a/src/main/java/formula/Constant.java b/src/main/java/formula/Constant.java
index 86dea3f8c1ddf43c67476f404a5ffb507a4a553b..60efc54ab21e286adbf37f5749c104aa78b61174 100644
--- a/src/main/java/formula/Constant.java
+++ b/src/main/java/formula/Constant.java
@@ -14,11 +14,6 @@ public class Constant implements Formula {
return value; // La constante ne dépend pas de x, donc elle retourne toujours sa valeur
}
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
// Implémentation de la méthode toString pour retourner la valeur de la constante sous forme de chaîne
@Override
public String toString() {
@@ -31,21 +26,15 @@ public class Constant implements Formula {
return new Constant(0); // La dérivée d'une constante est toujours 0
}
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
-
// Implémentation de la méthode equals pour comparer deux constantes
@Override
public boolean equals(Object obj) {
// Vérifie si l'objet est nul ou s'il n'est pas une instance de Constant
if (obj == null) return false;
- if (!(obj instanceof Constant)) return false;
+ if (!(obj instanceof Constant otherConstant)) return false;
// Compare les valeurs des constantes
- Constant otherConstant = (Constant) obj;
- return this.value == otherConstant.value;
+ return this.value == otherConstant.value;
}
// Implémentation de la méthode hashCode, qui est généralement recommandée lors de la redéfinition de equals()
diff --git a/src/main/java/formula/Cosinus.java b/src/main/java/formula/Cosinus.java
deleted file mode 100644
index 905c41108bc0fc4ac359588a6dd47787e15e1b7a..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Cosinus.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package formula;
-
-class Cosine implements Formula {
- private final Formula inner;
-
- public Cosine(Formula inner) {
- this.inner = inner;
- }
-
- @Override
- public double eval(double xValue) {
- return Math.cos(inner.eval(xValue));
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public String toString() {
- return "cos(" + inner + ")";
- }
-
- @Override
- public Formula derivative() {
- return new Multiplication(
- new Constant(-1),
- new Multiplication(new Sine(inner), inner.derivative())
- );
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
-}
-
-
diff --git a/src/main/java/formula/Division.java b/src/main/java/formula/Division.java
deleted file mode 100644
index db6e11c24e35547a0c96830c0160a68267a6b503..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Division.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package formula;
-
-public class Division implements Formula {
- private final Formula numerator;
- private final Formula denominator;
-
- public Division(Formula numerator, Formula denominator) {
- this.numerator = numerator;
- this.denominator = denominator;
- }
-
- @Override
- public double eval(double xValue) {
- return numerator.eval(xValue) / denominator.eval(xValue);
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public String toString() {
- return "(" + numerator + " / " + denominator + ")";
- }
-
- @Override
- public Formula derivative() {
- return new Division(
- new Subtraction(
- new Multiplication(numerator.derivative(), denominator),
- new Multiplication(numerator, denominator.derivative())
- ) {
- @Override
- public double eval(double xValue) {
- return 0;
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public Formula derivative() {
- return null;
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
- },
- new Multiplication(denominator, denominator)
- );
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
-}
-
-
diff --git a/src/main/java/formula/Formula.java b/src/main/java/formula/Formula.java
index 7559522241767effbd104b445ed1e5719db596b3..fb348032bc72b9bc1e2dc0418ce9e598d0d93922 100644
--- a/src/main/java/formula/Formula.java
+++ b/src/main/java/formula/Formula.java
@@ -9,7 +9,6 @@ public interface Formula {
* @return the value of the function when the variable x has value {@code xValue}
*/
double eval(double xValue);
- boolean isConstant(double xValue);
/**
* Compute a {@code String} representation of the formula.
@@ -22,6 +21,5 @@ public interface Formula {
* @return the derivative of the formula
*/
Formula derivative();
- Formula simplifiedFormula();
}
diff --git a/src/main/java/formula/Multiplication.java b/src/main/java/formula/Multiplication.java
deleted file mode 100644
index 3b08642e2b9825272aeb85434fbea7a23d549c92..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Multiplication.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package formula;
-
-public class Multiplication implements Formula{
- private final Formula left;
- private final Formula right;
-
- public Multiplication(Formula left, Formula right) {
- this.left = left;
- this.right = right;
- }
-
- @Override
- public double eval(double xValue) {
- return left.eval(xValue) * right.eval(xValue);
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public String toString() {
- return "(" + left + " * " + right + ")";
- }
-
- @Override
- public Formula derivative() {
- return new Addition(
- new Multiplication(left.derivative(), right),
- new Multiplication(left, right.derivative())
- );
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
-}
-
diff --git a/src/main/java/formula/Sine.java b/src/main/java/formula/Sine.java
deleted file mode 100644
index b4b815e63320772655525abf20572490b1022af6..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Sine.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package formula;
-
-public class Sine implements Formula {
- public Sine(Formula inner) {
- }
-
- @Override
- public double eval(double xValue) {
- return 0;
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public Formula derivative() {
- return null;
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
-}
diff --git a/src/main/java/formula/Substraction.java b/src/main/java/formula/Substraction.java
deleted file mode 100644
index eb7110d43b23610e98bbde657b59fe6fdb394739..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Substraction.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package formula;
-
-public abstract class Substraction implements Formula {
-
- private Formula left = null;
- private Formula right=null;
-
- public Substraction(Formula left, Formula right) {
- this.left = left;
- this.right = right;
- }
-
- @Override
- public double eval(double xValue) {
- return left.eval(xValue) - right.eval(xValue);
- }
-
- @Override
- public String toString() {
- return "(" + left + " - " + right + ")";
- }
-
- @Override
- public Formula derivative() {
- return new Subtraction(left.derivative(), right.derivative()) {
- @Override
- public double eval(double xValue) {
- return 0;
- }
-
- @Override
- public boolean isConstant(double xValue) {
- return false;
- }
-
- @Override
- public Formula derivative() {
- return null;
- }
-
- @Override
- public Formula simplifiedFormula() {
- return null;
- }
- };
- }
- }
-
-
diff --git a/src/main/java/formula/Subtraction.java b/src/main/java/formula/Subtraction.java
deleted file mode 100644
index b4bf1d0169d2ebe63fa013ac6962fe8db956e6f7..0000000000000000000000000000000000000000
--- a/src/main/java/formula/Subtraction.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package formula;
-
-public abstract class Subtraction implements Formula {
- public Subtraction(Formula derivative, Formula derivative1) {
- }
-}