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Aufgabenblatt 6

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This commit is contained in:
Anton Ertl
2022-05-16 20:27:14 +02:00
parent 1e789dba34
commit e311ef3c6b
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src/Aufgabe6Test.java Normal file
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import java.util.HashSet;
public class Aufgabe6Test {
public static void main(String[] args) {
/* //TODO: uncomment for testing
NamedBody sun1, mercury1, venus1, earth1, moon1, mars1, deimos1, phobos1, vesta1,
pallas1, hygiea1, ceres1;
// create the same 12 named body-force pairs
sun1 = new NamedBody("Sun",1.989E30, new Vector3(0.0,0.0,0.0)
, new Vector3(0.0,0.0,0.0));
earth1 = new NamedBody("Earth",5.972E24,
new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
moon1 = new NamedBody("Moon",7.349E22,
new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
mars1 = new NamedBody("Mars",6.41712E23,
new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
deimos1 = new NamedBody("Deimos",1.8E20,
new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
phobos1 = new NamedBody("Phobos",1.08E20,
new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
mercury1 = new NamedBody("Mercury",3.301E23,
new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
venus1 = new NamedBody("Venus",4.86747E24,
new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
vesta1 = new NamedBody("Vesta",2.5908E20,
new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
pallas1 = new NamedBody("Pallas",2.14E20,
new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
hygiea1 = new NamedBody("Hygiea",8.32E19,
new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
ceres1 = new NamedBody("Ceres",9.394E20,
new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
// check basic functions of 'MassiveForceHashMap'
MassiveForceTreeMap map = new MassiveForceTreeMap();
map.put(sun1, new Vector3(0,0,0));
map.put(mercury1, new Vector3(0,0,0));
map.put(venus1, new Vector3(0,0,0));
map.put(earth1, new Vector3(0,0,0));
map.put(moon1, new Vector3(0,0,0));
map.put(mars1, new Vector3(0,0,0));
map.put(deimos1, new Vector3(0,0,0));
map.put(phobos1, new Vector3(0,0,0));
map.put(vesta1, new Vector3(0,0,0));
map.put(pallas1, new Vector3(0,0,0));
map.put(hygiea1, new Vector3(0,0,0));
map.put(ceres1, new Vector3(0,0,0));
map.put(mars1, new Vector3(0,0,0)); // inserted twice
HashSet<Massive> set1 = new HashSet<>();
set1.add(sun1);
set1.add(mercury1);
set1.add(venus1);
set1.add(earth1);
set1.add(moon1);
set1.add(mars1);
set1.add(deimos1);
set1.add(phobos1);
set1.add(vesta1);
set1.add(pallas1);
set1.add(hygiea1);
set1.add(ceres1);
System.out.println("Test1:");
testValue(map.toString().contains("Mars"), true);
testValue(map.toString().contains("Deimos"), true);
testValue(map.toString().contains("Moon"), true);
testValue(map.toString().contains("Earth"), true);
System.out.println("Test2:");
testValue(map.getKeys().size(), 12);
System.out.println("Test3:");
testValue(map.getKeys().contains(mars1), true);
testValue(map.getKeys().contains(new NamedBody("Mars",6.41712E23,
new Vector3(0,0,0),
new Vector3(0,0,0))), true);
testValue(map.getKeys().contains(new Body(6.41712E23,
new Vector3(0,0,0),
new Vector3(0,0,0))), false);
System.out.println("Test4:");
HashSet<Massive> set2 = new HashSet<>();
for(Massive m: map.getKeys()) {
set2.add(m);
}
testValue(set1.equals(set2), true);
System.out.println("Test5:");
MassiveLinkedList list = map.getKeys().toList();
while (list.size() > 0) {
set1.remove(list.pollLast());
}
testValue(set1.isEmpty(), true);
System.out.println("Test6:");
map.getKeys().remove(mars1);
testValue(map.containsKey(mars1), false);
testValue(map.getKeys().size(), 11);
map.getKeys().clear();
testValue(map.getKeys().size(), 0);
System.out.println("Test7:");
NamedBodyForcePair sun2, mercury2, venus2, earth2, moon2, mars2, deimos2, phobos2, vesta2,
pallas2, hygiea2, ceres2;
//test classes NamedBody and MassiveForceHashMap
// create 12 named bodies
// create the same 12 named body-force pairs
sun2 = new NamedBodyForcePair("Sun",1.989E30, new Vector3(0.0,0.0,0.0)
, new Vector3(0.0,0.0,0.0));
earth2 = new NamedBodyForcePair("Earth",5.972E24,
new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
moon2 = new NamedBodyForcePair("Moon",7.349E22,
new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
mars2 = new NamedBodyForcePair("Mars",6.41712E23,
new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
deimos2 = new NamedBodyForcePair("Deimos",1.8E20,
new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
phobos2 = new NamedBodyForcePair("Phobos",1.08E20,
new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
mercury2 = new NamedBodyForcePair("Mercury",3.301E23,
new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
venus2 = new NamedBodyForcePair("Venus",4.86747E24,
new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
vesta2 = new NamedBodyForcePair("Vesta",2.5908E20,
new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
pallas2 = new NamedBodyForcePair("Pallas",2.14E20,
new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
hygiea2 = new NamedBodyForcePair("Hygiea",8.32E19,
new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
ceres2 = new NamedBodyForcePair("Ceres",9.394E20,
new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
CosmicSystem earthSystem = new HierarchicalSystem(earth2, moon2);
CosmicSystem marsSystem = new HierarchicalSystem(mars2, deimos2, phobos2);
HierarchicalSystem solarSystem = new HierarchicalSystem(sun2, mercury2, venus2, earthSystem,
marsSystem, vesta2, pallas2, hygiea2, ceres2);
int count = 0;
for (Massive b: solarSystem) {
count++;
}
testValue(count, 12);
*/ //TODO: uncomment
}
public static void testComparison(Object first, Object second, boolean expected) {
boolean real = first == second;
if (real == expected) {
System.out.println("Successful comparison");
} else {
System.out.println("Comparison NOT successful! Expected value: " + expected + " / Given value: " + real);
}
}
public static void testValue(Object given, Object expected) {
if (given == expected) {
System.out.println("Successful test");
} else {
System.out.println("Test NOT successful! Expected value: " + expected + " / Given value: " + given);
}
}
public static void testValue(double given, double expected) {
if (given < expected + (expected + 1) / 1e12 && given > expected - (expected + 1) / 1e12) {
System.out.println("Successful test");
} else {
System.out.println("Test NOT successful! Expected value: " + expected + " / Given value: " + given);
}
}
}

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// A map that associates an object of 'Massive' with a Vector3. The number of key-value pairs
// is not limited.
//
// TODO: define further classes and methods for the binary search tree and the implementation
// of MassiveSet, if needed.
//
public class MassiveForceTreeMap {
// TODO: define missing parts of this class.
// Adds a new key-value association to this map. If the key already exists in this map,
// the value is replaced and the old value is returned. Otherwise 'null' is returned.
// Precondition: key != null.
public Vector3 put(Massive key, Vector3 value) {
// TODO: implement method.
return null;
}
// Returns the value associated with the specified key, i.e. the method returns the force vector
// associated with the specified key. Returns 'null' if the key is not contained in this map.
// Precondition: key != null.
public Vector3 get(Massive key) {
// TODO: implement method.
return null;
}
// Returns 'true' if this map contains a mapping for the specified key.
//Precondition: key != null
public boolean containsKey(Massive key) {
// TODO: implement method.
return false;
}
// Returns a readable representation of this map, in which key-value pairs are ordered
// descending according to 'key.getMass()'.
public String toString() {
// TODO: implement method.
return "";
}
// Returns a `MassiveSet` view of the keys contained in this tree map. Changing the
// elements of the returned `MassiveSet` object also affects the keys in this tree map.
public MassiveSet getKeys() {
// TODO: implement method.
return null;
}
}
//TODO: Define additional class(es) implementing the binary search tree and the implementation
// of MassiveSet (either here or in a separate file).

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// Iterable objects with 'Massive' elements.
//
public interface MassiveIterable extends Iterable<Massive> {
@Override
// Returns an iterator over elements of 'Massive'.
MassiveIterator iterator();
}

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import java.util.Iterator;
// An iterator over elements of 'Massive'.
//
public interface MassiveIterator extends Iterator<Massive> {
@Override
// Returns the next element in the iteration.
// (Returns 'null' if the iteration has no more elements.)
Massive next();
@Override
// Returns 'true' if the iteration has more elements.
boolean hasNext();
}

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// A collection of 'Massive' objects in which there are no duplicates.
//
public interface MassiveSet extends MassiveIterable, Drawable {
// Returns 'true' if the set has the specified element (i.e., has an element equal to the
// specified element).
boolean contains(Massive element);
// Removes the specified element from the set.
void remove(Massive element);
// Removes all elements from the set.
void clear();
// Returns the number of elements in the set.
int size();
// Returns an object of 'MassiveLinkedList' with all elements of 'this'.
MassiveLinkedList toList();
}

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import codedraw.CodeDraw;
import java.awt.*;
import java.util.Random;
// Simulates the formation of a massive solar system.
//
public class Simulation6 {
// gravitational constant
public static final double G = 6.6743e-11;
// one astronomical unit (AU) is the average distance of earth to the sun.
public static final double AU = 150e9; // meters
// one light year
public static final double LY = 9.461e15; // meters
// some further constants needed in the simulation
public static final double SUN_MASS = 1.989e30; // kilograms
public static final double SUN_RADIUS = 696340e3; // meters
public static final double EARTH_MASS = 5.972e24; // kilograms
public static final double EARTH_RADIUS = 6371e3; // meters
// set some system parameters
public static final double SECTION_SIZE = 10 * AU; // the size of the square region in space
public static final int NUMBER_OF_BODIES = 22;
public static final double OVERALL_SYSTEM_MASS = 20 * SUN_MASS; // kilograms
// all quantities are based on units of kilogram respectively second and meter.
// The main simulation method using instances of other classes.
public static void main(String[] args) {
// simulation
CodeDraw cd = new CodeDraw();
// create solar system with 12 bodies
NamedBody sun = new NamedBody("Sun",1.989E30, new Vector3(0.0,0.0,0.0), new Vector3(0.0,0.0,0.0));
NamedBody earth = new NamedBody("Earth",5.972E24, new Vector3(-6.13135922534815E10,-1.383789852227691E11,2.719682263474911E7), new Vector3(26832.720535473603,-11948.23168764519,1.9948243075997851));
NamedBody moon = new NamedBody("Moon",7.349E22, new Vector3(-6.132484773775896E10,-1.387394951280871E11,1.701046736294776E7), new Vector3(27916.62329282941,-12020.39526008238,-94.89703264508708));
NamedBody mars = new NamedBody("Mars",6.41712E23, new Vector3(-1.7923193702925848E11,1.726665823982123E11,7.991673845249474E9), new Vector3(-15925.78496403673,-15381.16179928219,68.67560910598857));
NamedBody deimos = new NamedBody("Deimos",1.8E20, new Vector3(-1.792255010450533E11,1.726891122683271E11,7.990659337380297E9), new Vector3(-17100.476719804457,-15020.348656808,631.2927851249581));
NamedBody phobos = new NamedBody("Phobos",1.08E20, new Vector3(-1.792253482539647E11,1.72661109673625E11,7.987848354800322E9), new Vector3(-14738.203714241401,-13671.17675223948,-411.0012490555253));
NamedBody mercury = new NamedBody("Mercury",3.301E23, new Vector3(-5.167375560011926E10,-4.217574885682655E10,1.14808913958168E9), new Vector3(21580.25398577148,-34951.03632847389,-4835.225596525241));
NamedBody venus = new NamedBody("Venus",4.86747E24, new Vector3(-3.123150865740532E10,1.0395568504115701E11,3.173401325838074E9), new Vector3(-33748.180519629335,-10014.25141045021,1809.94488874165));
NamedBody vesta = new NamedBody("Vesta",2.5908E20, new Vector3(-3.337493557929893E11,-4.7147908276077385E10,4.1923010146878105E10), new Vector3(4440.54247538484,-19718.49074006637,48.06573124543601));
NamedBody pallas = new NamedBody("Pallas",2.14E20, new Vector3(4.3452066613895575E11,-2.057319365171432E11,1.0549957423213101E11), new Vector3(5058.947582097117,11184.45711782372,-8183.524138259704));
NamedBody hygiea = new NamedBody("Hygiea",8.32E19, new Vector3(-3.983943433707043E11,2.325833000024021E11,-2.233667695713672E10), new Vector3(-6931.864585548552,-15686.8108598699,-690.5791992347208));
NamedBody ceres = new NamedBody("Ceres",9.394E20, new Vector3(3.781372641419032E11,1.96718960466285E11,-6.366459168068592E10), new Vector3(-8555.324226752316,14718.33755980907,2040.230135060142));
// create some additional bodies
Body[] bodies = new Body[NUMBER_OF_BODIES];
Random random = new Random(2022);
for (int i = 0; i < bodies.length; i++) {
bodies[i] = new Body(Math.abs(random.nextGaussian()) * OVERALL_SYSTEM_MASS / bodies.length,
new Vector3(0.2 * random.nextGaussian() * AU, 0.2 * random.nextGaussian() * AU, 0.2 * random.nextGaussian() * AU),
new Vector3(0 + random.nextGaussian() * 5e3, 0 + random.nextGaussian() * 5e3, 0 + random.nextGaussian() * 5e3));
}
//TODO: implementation of this method according to 'Aufgabenblatt6.md'.
// Add both, NamedBody- and Body-objects, to your simulation.
}
}