lasd/librerie/exercise3/vector/vector.cpp

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namespace lasd {
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template <typename Data>
Vector<Data>::Vector(const ulong newsize){
Elements = new Data[newsize]{};
size = newsize;
}
template <typename Data>
Vector<Data>::Vector(const LinearContainer<Data>& con){
size = con.Size();
Elements = new Data[size]{};
for(ulong i=0; i<size; ++i){
Elements[i] = con[i];
}
}
// Copy constructor
template <typename Data>
Vector<Data>::Vector(const Vector<Data>& vec){
size = vec.size;
Elements = new Data[size]{};
for(ulong i=0; i<size; ++i){
Elements[i] = vec[i];
}
}
// Move constructor
template <typename Data>
Vector<Data>::Vector(Vector<Data>&& vec)noexcept{
std::swap(Elements, vec.Elements);
std::swap(size, vec.size);
}
// Destructor
template <typename Data>
Vector<Data>::~Vector(){
Clear();
}
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// Copy assignment
template <typename Data>
Vector<Data>& Vector<Data>::operator=(const Vector<Data>& vec){
Vector<Data>* tmpvec = new Vector<Data>(vec);
std::swap(*tmpvec, *this);
delete tmpvec;
return *this;
}
// Move assignment
template <typename Data>
Vector<Data>& Vector<Data>::operator=(Vector<Data>&& vec)noexcept{
std::swap(Elements,vec.Elements);
std::swap(size, vec.size);
return *this;
}
template <typename Data>
bool Vector<Data>::operator==(const Vector<Data>& vec) const noexcept{
if(size == vec.size){
for(ulong i=0; i<size; ++i){
if(Elements[i] != vec.Elements[i])
return false;
}
return true;
}else{
return false;
}
}
template <typename Data>
bool Vector<Data>::operator!=(const Vector<Data>& vec)const noexcept{
return !(*this == vec);
}
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template <typename Data>
void Vector<Data>::Resize(const ulong newsize){
if(newsize == 0){
Clear();
}
else if(size != newsize){
ulong limit = (size < newsize) ? size : newsize;
Data* TmpElements = new Data[newsize]{};
for(ulong i=0; i<limit; ++i){
std::swap(Elements[i], TmpElements[i]);
}
std::swap(Elements, TmpElements);
size = newsize;
delete[] TmpElements;
}
}
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template <typename Data>
void Vector<Data>::Clear(){
delete[] Elements;
Elements = nullptr;
size = 0;
}
template <typename Data>
Data& Vector<Data>::Front() const {
if(size != 0){
return Elements[0];
}
else{
throw std::length_error("Access to an empty vector!");
}
}
template <typename Data>
Data& Vector<Data>::Back() const {
if(size != 0){
return Elements[size - 1];
}
else{
throw std::length_error("Access to an empty vector!");
}
}
template <typename Data>
Data& Vector<Data>::operator[](const ulong index) const{
if(index < size){
return Elements[index];
}
else{
throw std::out_of_range("Tried to access index " + std::to_string(index) + " but the dimension of the vector is " + std::to_string(size));
}
}
template <typename Data>
void Vector<Data>::MapPreOrder(const MapFunctor fun, void* par){
for(ulong i=0; i<size; ++i){
fun(Elements[i], par);
}
}
template <typename Data>
void Vector<Data>::MapPostOrder(const MapFunctor fun, void* par){
ulong index = size;
while(index > 0){
fun(Elements[--index], par);
}
}
template <typename Data>
void Vector<Data>::FoldPreOrder(const FoldFunctor fun, const void* par, void* acc) const{
for(ulong i=0; i<size; ++i){
fun(Elements[i], par, acc);
}
}
template <typename Data>
void Vector<Data>::FoldPostOrder(const FoldFunctor fun, const void* par, void* acc) const{
ulong idx = size;
while(idx > 0){
fun(Elements[--idx], par, acc);
}
}
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}