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Library 3 & Library 4

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- resolved bug in library 3 (and in lib4)
- 0 errors in simpletests for library 4
This commit is contained in:
Alessandro Ferro
2021-05-13 18:38:07 +02:00
parent 2b7c59412c
commit 90f20eb405
6 changed files with 108 additions and 85 deletions
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2
librerie/exercise3/binarytree/binarytree.cpp
View File

@@ -419,7 +419,7 @@ void BTPostOrderIterator<Data>::operator++(){
if(stack.Empty()){
curr = nullptr;
}else{
if( curr == &((stack.Top())->LeftChild()) ){
if((stack.Top())->HasLeftChild() && curr == &((stack.Top())->LeftChild()) ){
if( (stack.Top())->HasRightChild() ){
curr = DeepestLeftLeaf(&((stack.Top())->RightChild()));
}else{

2
librerie/exercise4/binarytree/binarytree.cpp
View File

@@ -419,7 +419,7 @@ void BTPostOrderIterator<Data>::operator++(){
if(stack.Empty()){
curr = nullptr;
}else{
if( curr == &((stack.Top())->LeftChild()) ){
if((stack.Top())->HasLeftChild() && curr == &((stack.Top())->LeftChild()) ){
if( (stack.Top())->HasRightChild() ){
curr = DeepestLeftLeaf(&((stack.Top())->RightChild()));
}else{

3
librerie/exercise4/binarytree/lnk/binarytreelnk.hpp
View File

@@ -15,10 +15,11 @@ protected:
protected:
using BinaryTree<Data>::Node::data;
public:
struct NodeLnk* left = nullptr;
struct NodeLnk* right = nullptr;
public:
struct NodeLnk& operator=(const NodeLnk&); // Copy assignment of abstract types should not be possible.
struct NodeLnk& operator=(NodeLnk&&) noexcept; // Move assignment of abstract types should not be possible.
bool IsLeaf() const noexcept override; // (concrete function should not throw exceptions)

166
librerie/exercise4/bst/bst.cpp
View File

@@ -66,7 +66,6 @@ void BST<Data>::Insert(Data&& data) noexcept{
if(pointer == nullptr){
pointer = new NodeLnk();
std::swap(pointer->value, data);
size++;
}
}
@@ -185,14 +184,14 @@ bool BST<Data>::Exists(const Data& data) const noexcept{
}
template <typename Data>
Data BST<Data>::DataNDelete(NodeLnk* ptr){
Data BST<Data>::DataNDelete(struct BST<Data>::NodeLnk* ptr){
Data data = ptr->Element();
delete ptr;
return data;
}
template <typename Data>
typename BST<Data>::NodeLnk* BST<Data>::Detach(NodeLnk*& ptrref) noexcept{
typename BST<Data>::NodeLnk* BST<Data>::Detach(struct BST<Data>::NodeLnk*& ptrref) noexcept{
if(ptrref == nullptr) return nullptr;
if(ptrref->left == nullptr){
@@ -203,23 +202,23 @@ typename BST<Data>::NodeLnk* BST<Data>::Detach(NodeLnk*& ptrref) noexcept{
}
else{
NodeLnk* maxNode = DetachMax(ptrref->left);
std::swap(ptrref->data , maxNode->data);
std::swap(ptrref->Element() , maxNode->Element());
return maxNode;
}
}
template <typename Data>
typename BST<Data>::NodeLnk* BST<Data>::DetachMin(NodeLnk*& ptrref) noexcept{
typename BST<Data>::NodeLnk* BST<Data>::DetachMin(struct BST<Data>::NodeLnk*& ptrref) noexcept{
return SkipOnRight(FindPointerToMin(ptrref));
}
template <typename Data>
typename BST<Data>::NodeLnk* BST<Data>::DetachMax(NodeLnk*& ptrref) noexcept{
typename BST<Data>::NodeLnk* BST<Data>::DetachMax(struct BST<Data>::NodeLnk*& ptrref) noexcept{
return SkipOnLeft(FindPointerToMax(ptrref));
}
template <typename Data>
typename BST<Data>::NodeLnk* BST<Data>::SkipOnLeft(NodeLnk*& ptrref) noexcept{
typename BST<Data>::NodeLnk* BST<Data>::SkipOnLeft(struct BST<Data>::NodeLnk*& ptrref) noexcept{
NodeLnk* left = nullptr;
if(ptrref != nullptr){
std::swap(left, ptrref->left);
@@ -230,7 +229,7 @@ typename BST<Data>::NodeLnk* BST<Data>::SkipOnLeft(NodeLnk*& ptrref) noexcept{
}
template <typename Data>
typename BST<Data>::NodeLnk* BST<Data>::SkipOnRight(NodeLnk*& ptrref) noexcept{
typename BST<Data>::NodeLnk* BST<Data>::SkipOnRight(struct BST<Data>::NodeLnk*& ptrref) noexcept{
NodeLnk* right = nullptr;
if(ptrref != nullptr){
std::swap(right, ptrref->right);
@@ -241,7 +240,7 @@ typename BST<Data>::NodeLnk* BST<Data>::SkipOnRight(NodeLnk*& ptrref) noexcept{
}
template <typename Data>
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMin(NodeLnk* const& node) const noexcept{
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMin(struct BST<Data>::NodeLnk* const& node) const noexcept{
NodeLnk* const* ptr = &node;
NodeLnk* curr = node;
if(curr!=nullptr){
@@ -254,12 +253,12 @@ typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMin(NodeLnk* const&
}
template <typename Data>
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToMin(NodeLnk*& node) noexcept{
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToMin(struct BST<Data>::NodeLnk*& node) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerToMin(node));
}
template <typename Data>
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMax(NodeLnk* const& node) const noexcept{
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMax(struct BST<Data>::NodeLnk* const& node) const noexcept{
NodeLnk* const* ptr = &node;
NodeLnk* curr = node;
if(curr!=nullptr){
@@ -272,88 +271,111 @@ typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToMax(NodeLnk* const&
}
template <typename Data>
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToMax(NodeLnk*& node) noexcept{
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToMax(struct BST<Data>::NodeLnk*& node) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerToMax(node));
}
/* ---- END ----- */
template <typename Data>
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerTo(NodeLnk* const& node) const noexcept{
NodeLnk* const* ptr = &node;
NodeLnk* curr = node;
if(curr!=nullptr){
while(curr!=nullptr || curr->Element() != node->Element()){
if(curr->Element() < node->Element()){
ptr = &curr->right;
curr = curr->right;
}else if(curr->Element() > node->Element()){
ptr = &curr->left;
curr = curr->left;
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerTo(struct BST<Data>::NodeLnk* const& ref, Data data) const noexcept{
NodeLnk* const* pointer = &ref;
NodeLnk* current = ref;
if(current != nullptr){
while(current != nullptr && current->Element() != data){
if(current->Element() < data){
pointer = &current->right;
current = current->right;
}else if(current->Element() > data){
pointer = &current->left;
current = current->left;
}
}
}
if(curr->Element() == node->Element()) return *ptr;
else return nullptr;
}
return *pointer;
template <typename Data>
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerTo(NodeLnk*& node) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerTo(node));
}
template <typename Data>
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToPredecessor(NodeLnk* const& node) const noexcept{
if(node == nullptr) return nullptr;
NodeLnk* const* ptr = &node;
NodeLnk* curr = node;
NodeLnk* lastRight;
while(curr!=nullptr || node->Element() != curr->Element()){
if(node->Element() == curr->Element()){
ptr = FindPointerToMax(curr->left);
}else if(node->Element() < curr->Element()){
ptr = &curr->left;
curr = curr->left;
}else{
ptr = &curr->right;
curr = curr->right;
lastRight = ptr;
return *pointer;
}
}
if(node->Element() == curr->Element()) return *ptr;
else return lastRight;
}
template <typename Data>
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToPredecessor(NodeLnk*& node) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerToPredecessor(node));
}
template <typename Data>
typename BST<Data>::NodeLnk* const& BST<Data>::FindPointerToSuccessor(NodeLnk* const& node) const noexcept{
if(node == nullptr) return nullptr;
NodeLnk* const* ptr = &node;
NodeLnk* curr = node;
NodeLnk* lastLeft;
while(curr!=nullptr || node->Element() != curr->Element()){
if(node->Element() == curr->Element()){
ptr = FindPointerToMin(curr->left);
}else if(node->Element() < curr->Element()){
ptr = &curr->left;
curr = curr->left;
lastLeft = ptr;
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerTo(struct BST<Data>::NodeLnk*& node, Data data) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerTo(node, data));
}
template <typename Data>
typename BST<Data>::NodeLnk* const* BST<Data>::FindPointerToPredecessor(struct BST<Data>::NodeLnk* const& ref, Data data) const noexcept{
NodeLnk* const* pointer = &ref;
NodeLnk* current = ref;
NodeLnk* const* lastRight = pointer;
if(ref != nullptr){
while( current != nullptr){
if(data == current->Element()){
if(current->HasLeftChild()){
return pointer = &(FindPointerToMax(current->left));
}
return lastRight;
}else if(data < current->Element()){
pointer = &current->left;
current = current->left;
}else{
ptr = &curr->right;
curr = curr->right;
lastRight = pointer;
pointer = &current->right;
current = current->right;
}
}
if(node->Element() == curr->Element()) return *ptr;
else return lastLeft;
return lastRight;
}else{
return lastRight;
}
}
template <typename Data>
typename BST<Data>::NodeLnk*& BST<Data>::FindPointerToSuccessor(NodeLnk*& node) noexcept{
return const_cast<NodeLnk*&>(static_cast<const BST<Data> *>(this)->FindPointerToSuccessor(node));
typename BST<Data>::NodeLnk** BST<Data>::FindPointerToPredecessor(struct BST<Data>::NodeLnk*& node, Data data) noexcept{
return const_cast<NodeLnk**>(static_cast<const BST<Data> *>(this)->FindPointerToPredecessor(node, data));
}
template <typename Data>
typename BST<Data>::NodeLnk* const* BST<Data>::FindPointerToSuccessor(struct BST<Data>::NodeLnk* const& ref, Data data) const noexcept{
NodeLnk* const* pointer = &ref;
NodeLnk* current = ref;
NodeLnk* const* lastLeft = nullptr;
if(ref != nullptr){
while( current != nullptr){
if(data == current->Element()){
if(current->HasRightChild()){
return pointer = &(FindPointerToMin(current->right));
}
return lastLeft;
}else if(data < current->Element()){
lastLeft = pointer;
pointer = &current->left;
current = current->left;
}else{
pointer = &current->right;
current = current->right;
}
}
return lastLeft;
}else{
return lastLeft;
}
}
template <typename Data>
typename BST<Data>::NodeLnk** BST<Data>::FindPointerToSuccessor(struct BST<Data>::NodeLnk*& node, Data data) noexcept{
return const_cast<NodeLnk**>(static_cast<const BST<Data> *>(this)->FindPointerToSuccessor(node, data));
}
/* ************************************************************************** */
}

16
librerie/exercise4/bst/bst.hpp
View File

@@ -47,10 +47,10 @@ public:
/* ************************************************************************ */
// Copy assignment
BST& operator=(const BST<Data>&);
BST<Data>& operator=(const BST<Data>&);
// Move assignment
BST& operator=(BST<Data>&&) noexcept;
BST<Data>& operator=(BST<Data>&&) noexcept;
/* ************************************************************************ */
@@ -107,14 +107,14 @@ protected:
NodeLnk* const& FindPointerToMax(NodeLnk* const&) const noexcept;
NodeLnk*& FindPointerToMax(NodeLnk*&) noexcept;
NodeLnk* const& FindPointerTo(NodeLnk* const&) const noexcept;
NodeLnk*& FindPointerTo(NodeLnk*&) noexcept;
NodeLnk* const& FindPointerTo(NodeLnk* const&, Data) const noexcept;
NodeLnk*& FindPointerTo(NodeLnk*&, Data) noexcept;
NodeLnk* const& FindPointerToPredecessor(NodeLnk* const&) const noexcept;
NodeLnk*& FindPointerToPredecessor(NodeLnk*&) noexcept;
NodeLnk* const* FindPointerToPredecessor(NodeLnk* const&, Data) const noexcept;
NodeLnk** FindPointerToPredecessor(NodeLnk*&, Data) noexcept;
NodeLnk* const* FindPointerToSuccessor(NodeLnk* const&, Data) const noexcept;
NodeLnk** FindPointerToSuccessor(NodeLnk*&, Data) noexcept;
NodeLnk* const& FindPointerToSuccessor(NodeLnk* const&) const noexcept;
NodeLnk*& FindPointerToSuccessor(NodeLnk*&) noexcept;
};

2
librerie/exercise4/build.sh
View File

@@ -1,7 +1,7 @@
#! /bin/bash
g++ -O3 -o main \
g++-10 -O3 -o main \
zlasdtest/exercise1/simpletest.cpp zlasdtest/exercise1/fulltest.cpp \
zlasdtest/exercise2/simpletest.cpp zlasdtest/exercise2/fulltest.cpp \
zlasdtest/exercise3/simpletest.cpp zlasdtest/exercise3/fulltest.cpp \