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chap3

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Debucquoy
2023-12-21 23:36:03 +01:00
parent 990b77ed18
commit babed7eb09
35 changed files with 11061 additions and 39 deletions
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32
bac2/modalDev/tp1/app/.classpath Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="bin/main" path="src/main/java">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/main" path="src/main/resources">
<attributes>
<attribute name="gradle_scope" value="main"/>
<attribute name="gradle_used_by_scope" value="main,test"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/java">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="bin/test" path="src/test/resources">
<attributes>
<attribute name="gradle_scope" value="test"/>
<attribute name="gradle_used_by_scope" value="test"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17/"/>
<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
<classpathentry kind="output" path="bin/default"/>
</classpath>

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bac2/modalDev/tp1/app/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>app</name>
<comment>Project app created by Buildship.</comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
</natures>
<filteredResources>
<filter>
<id>1701330804524</id>
<name></name>
<type>30</type>
<matcher>
<id>org.eclipse.core.resources.regexFilterMatcher</id>
<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
</matcher>
</filter>
</filteredResources>
</projectDescription>

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bac2/modalDev/tp1/app/.settings/org.eclipse.buildship.core.prefs Normal file
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arguments=
auto.sync=false
build.scans.enabled=false
connection.gradle.distribution=GRADLE_DISTRIBUTION(WRAPPER)
connection.project.dir=
eclipse.preferences.version=1
gradle.user.home=
java.home=
jvm.arguments=
offline.mode=false
override.workspace.settings=false
show.console.view=false
show.executions.view=false

32
bac2/modalDev/tp1/app/bin/test/tp1/ex2_1/SolveEquationTest.java.orig Normal file
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package tp1.ex2_1;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
/**
* Suite de tests pour vérifier la méthode sqrt dans la classe Sqrt
*/
public class SolveEquationTest {
@Test
public void test1() {
SolveEquation se = new SolveEquation(1.0, -2.0, -3.0);
assertEquals(se.getNbSolutions(), 2);
assertTrue(se.getSolutions().getE1()
.equals(se.getSolutions().getE2()));
}
@Test
public void test2() {
double epsilon = 0.0001;
SolveEquation se = new SolveEquation(1.0, 0.0, 0.0);
assertEquals(se.getSolutions().getE1(),
se.getSolutions().getE2(), epsilon);
assertEquals(se.getNbSolutions(), 1);
}
@Test
public void test3() {
SolveEquation se = new SolveEquation(5.0, 0.0, 3.0);
assertEquals(se.getSolutions().getE1(), se.getSolutions().getE2());
}
}

45
bac2/modalDev/tp1/app/build.gradle.kts Normal file
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/*
* This file was generated by the Gradle 'init' task.
*
* This generated file contains a sample Java application project to get you started.
* For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.4/userguide/building_java_projects.html in the Gradle documentation.
*/
plugins {
// Apply the application plugin to add support for building a CLI application in Java.
application
}
repositories {
// Use Maven Central for resolving dependencies.
mavenCentral()
}
dependencies {
// Use JUnit Jupiter for testing.
testImplementation("org.junit.jupiter:junit-jupiter:5.9.3")
testRuntimeOnly("org.junit.platform:junit-platform-launcher")
// This dependency is used by the application.
implementation("com.google.guava:guava:32.1.1-jre")
implementation("org.mockito:mockito-core:5.7.0")
}
// Apply a specific Java toolchain to ease working on different environments.
java {
toolchain {
languageVersion.set(JavaLanguageVersion.of(17))
}
}
application {
// Define the main class for the application.
mainClass.set("tp1.App")
}
tasks.named<Test>("test") {
// Use JUnit Platform for unit tests.
useJUnitPlatform()
}

15
bac2/modalDev/tp1/app/src/main/java/tp1/App.java Normal file
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/*
* This Java source file was generated by the Gradle 'init' task.
*/
package tp1;
public class App {
// for the sake of showing an example of testing
public String getGreeting() {
return "Hello World!";
}
public static void main(String[] args) {
System.out.println(new App().getGreeting());
}
}

27
bac2/modalDev/tp1/app/src/main/java/tp1/ex2_1/Pair.java Normal file
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package tp1.ex2_1;
public class Pair<T> {
private T e1, e2;
public Pair(T e1, T e2) {
this.e1 = e1;
this.e2 = e2;
}
public T getE1() {
return e1;
}
public T getE2() {
return e2;
}
@Override
public boolean equals(Object obj) {
if (obj instanceof Pair) {
Pair<?> p = (Pair<?>) obj;
return e1.equals(p.e1) && e2.equals(p.e2);
}
return false;
}
}

53
bac2/modalDev/tp1/app/src/main/java/tp1/ex2_1/SolveEquation.java Normal file
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package tp1.ex2_1;
public class SolveEquation {
private double a, b, c;
public SolveEquation(double a, double b, double c) {
this.a = a;
this.b = b;
this.c = c;
}
/*
* Gives the number of solutions of the equation .
*
* @return the number of solution .
*
* @throws ArithmeticException if there
* is an infinite number of solutions .
*/
public int getNbSolutions() throws ArithmeticException {
double delta = b * b - 4 * a * c;
if (delta < 0)
throw new ArithmeticException("No real solution");
else if (delta == 0)
return 1;
else
return 2;
}
/*
* * Gives the equation ’s solutions for x .
*
* @return the 2 solutions of the equation . If there is
* only 1 solution , the 2 members of the pair are equal .
*
* @throws ArithmeticException if there is no real
* solution for x , or if there is an infinite number
* of solutions .
*/
public Pair<Double> getSolutions() throws ArithmeticException {
double delta = b * b - 4 * a * c;
if (delta < 0)
throw new ArithmeticException("No real solution");
else if (delta == 0) {
double x = -b / (2 * a);
return new Pair<Double>(x, x);
}
else
return new Pair<Double>(
(-b - Math.sqrt(delta)) / (2 * a),
(-b + Math.sqrt(delta)) / (2 * a));
}
}

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bac2/modalDev/tp1/app/src/main/java/tp1/ex2_2/Sqrt.java Normal file
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package tp1.ex2_2;
import java.lang.Math;
/**
* Calcule la racine carrée d'un nombre positif
*/
public class Sqrt
{
public static final double EPSILON = 1e-8;
/**
* Cacule la racine carrée d'un nombre positif en utilisant la méhtode
* de Newton.
* Il s'agit de calculer la racine de l'équation x^2-b=0 avec b
* le nombre dont on veut la racine carrée.
* La méthode de Newton consiste à utiliser la formule suivante :
* x_i = x_(i-1) - f(x_(i-1)) / f'(x_(i-1)).
* @param val La valeur dont on cherche la racine carrée (val >= 0)
* @return La racine carrée de val avec une précision de 1e-12.
* @throws IllegalArgumentException Si val < 0
*/
public static double sqrt(double val) throws IllegalArgumentException
{
if(val < 0)
throw new IllegalArgumentException("ne peut pas être négatif");
if(val == 0 || val == 1)
return val;
double curr = nextIteration(val, val);
while(Math.abs(val - Math.pow(curr, 2)) > EPSILON){
curr = nextIteration(val, curr);
}
return curr;
}
private static double nextIteration(double val, double curr){
return (curr + (val / curr))/2;
}
}

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bac2/modalDev/tp1/app/src/main/java/tp1/ex2_3/Fibonacci.java Normal file
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package tp1.ex2_3;
public class Fibonacci {
public static int fibo(int n) throws IllegalArgumentException {
if (n < 0) {
throw new IllegalArgumentException();
} else {
int f_n_1 = 1;
int f_n = 0;
int tmp;
for (int i = 0; i < n; i++) {
tmp = f_n;
f_n = f_n + f_n_1;
f_n_1 = tmp;
}
return f_n;
}
}
}

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bac2/modalDev/tp1/app/src/test/java/tp1/AppTest.java Normal file
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/*
* This Java source file was generated by the Gradle 'init' task.
*/
package tp1;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
class AppTest {
@Test void appHasAGreeting() {
App classUnderTest = new App();
assertNotNull(classUnderTest.getGreeting(), "app should have a greeting");
}
}

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bac2/modalDev/tp1/app/src/test/java/tp1/ex2_1/SolveEquationTest.java Normal file
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package tp1.ex2_1;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
/**
* Suite de tests pour vérifier la méthode sqrt dans la classe Sqrt
*/
public class SolveEquationTest {
@Test
public void test1() {
SolveEquation se = new SolveEquation(1.0, -2.0, -3.0);
assertEquals(se.getNbSolutions(), 2);
assertFalse(se.getSolutions().getE1()
.equals(se.getSolutions().getE2()));
}
@Test
public void test2() {
double epsilon = 0.0001;
SolveEquation se = new SolveEquation(1.0, 0.0, 0.0);
assertEquals(se.getSolutions().getE1(),
se.getSolutions().getE2(), epsilon);
assertEquals(se.getNbSolutions(), 1);
}
@Test
public void test3() {
SolveEquation se = new SolveEquation(5.0, 0.0, 3.0);
assertThrows(ArithmeticException.class, () -> se.getSolutions(), "No real solution");
}
@Test
public void test4(){
SolveEquation se = new SolveEquation(3, 0, 0);
assertEquals(se.getNbSolutions(), 1);
}
}

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bac2/modalDev/tp1/app/src/test/java/tp1/ex2_1/SolveEquationTest.java.orig Normal file
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package tp1.ex2_1;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
/**
* Suite de tests pour vérifier la méthode sqrt dans la classe Sqrt
*/
public class SolveEquationTest {
@Test
public void test1() {
SolveEquation se = new SolveEquation(1.0, -2.0, -3.0);
assertEquals(se.getNbSolutions(), 2);
assertTrue(se.getSolutions().getE1()
.equals(se.getSolutions().getE2()));
}
@Test
public void test2() {
double epsilon = 0.0001;
SolveEquation se = new SolveEquation(1.0, 0.0, 0.0);
assertEquals(se.getSolutions().getE1(),
se.getSolutions().getE2(), epsilon);
assertEquals(se.getNbSolutions(), 1);
}
@Test
public void test3() {
SolveEquation se = new SolveEquation(5.0, 0.0, 3.0);
assertEquals(se.getSolutions().getE1(), se.getSolutions().getE2());
}
}

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bac2/modalDev/tp1/app/src/test/java/tp1/ex2_2/SqrtTest.java Normal file
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package tp1.ex2_2;
import static org.junit.jupiter.api.Assertions.*;
import java.time.Duration;
import org.junit.jupiter.api.Test;
/**
* Suite de tests pour vérifier la méthode sqrt dans la classe Sqrt
*/
public class SqrtTest {
@Test
public void testSortie(){
assertTrue(Sqrt.sqrt(42) >= 0);
}
@Test
public void testprecision(){
assertEquals(Math.sqrt(16), Sqrt.sqrt(16), Sqrt.EPSILON);
}
@Test
public void testValidInput(){
double t1 = Sqrt.sqrt(0.4);
assertTrue(t1 > 0 && t1 < 1);
double t2 = Sqrt.sqrt(21);
assertTrue(t2 > 1);
}
@Test
public void testBorne(){
assertEquals(0, Sqrt.sqrt(0));
assertEquals(1, Sqrt.sqrt(1));
}
@Test
public void testBig(){
double val = assertTimeoutPreemptively(Duration.ofSeconds(1), () -> Sqrt.sqrt(1e16));
assertEquals(Math.sqrt(1e16), val, Sqrt.EPSILON);
}
@Test
public void testInvalid(){
assertThrows(IllegalArgumentException.class, () -> Sqrt.sqrt(-42));
}
}

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bac2/modalDev/tp1/app/src/test/java/tp1/ex2_3/FibonacciTest.java Normal file
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package tp1.ex2_3;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class FibonacciTest {
@Test
void test1() {
assertEquals(2, Fibonacci.fibo(2));
}
@Test void test2() {
assertTrue(Fibonacci.fibo(-2) >= 0);
}
@Test void test3() {
assertTrue(Fibonacci.fibo(4) == 3);
}
}