Library 5

- Added template
- Matrix & MatrixVec completed

librerie/exercise5/matrix/vec/matrixvec.cpp

@@ -0,0 +1,133 @@
+
+namespace lasd {
+
+template <typename Data>
+MatrixVec<Data>::MatrixVec(ulong r, ulong c){
+  rows = r;
+  columns = c;
+  size = r*c;
+  Elements = new Data[size]{};
+}
+
+template <typename Data>
+MatrixVec<Data>::MatrixVec(const MatrixVec& toCopy){
+  rows = toCopy.rows;
+  columns = toCopy.columns;
+  size = toCopy.rows * toCopy.columns;
+  Elements = new Data[size]{};
+  for(ulong i=0 ; i<size ; ++i){
+    Elements[i] = toCopy.Elements[i];
+  }
+}
+
+template <typename Data>
+MatrixVec<Data>::MatrixVec(MatrixVec&& toMove) noexcept{
+  std::swap(rows, toMove.rows);
+  std::swap(columns, toMove.columns);
+  std::swap(size, toMove.size);
+  std::swap(Elements, toMove.Elements);
+}
+
+template <typename Data>
+MatrixVec<Data>::~MatrixVec(){
+  Clear();
+}
+
+template <typename Data>
+MatrixVec& MatrixVec<Data>::operator=(const MatrixVec& toCopy){
+  Clear();
+  rows = toCopy.rows;
+  columns = toCopy.columns;
+  size = toCopy.rows * toCopy.columns;
+  Elements = new Data[size]{};
+  for(ulong i=0 ; i<size ; ++i){
+    Elements[i] = toCopy.Elements[i];
+  }
+  return *this;
+}
+
+template <typename Data>
+MatrixVec& MatrixVec<Data>::operator=(MatrixVec&& toMove) noexcept{
+  Clear();
+  std::swap(rows, toMove.rows);
+  std::swap(columns, toMove.columns);
+  std::swap(size, toMove.size);
+  std::swap(Elements, toMove.Elements);
+  return *this;
+}
+
+template <typename Data>
+bool MatrixVec<Data>::operator==(const MatrixVec& toCompare) const noexcept{
+  if(rows == toCompare.rows && columns == toCompare.columns){
+    return Vector<Data>::operator==(toCompare);
+  }else{
+    return false;
+  }
+}
+
+template <typename Data>
+bool MatrixVec<Data>::operator!=(const MatrixVec& toCompare) const noexcept{
+  return !(*this == toCompare);
+}
+
+template <typename Data>
+void MatrixVec<Data>::RowResize(const ulong newdim){
+  Vector<Data>::Resize(newdim);
+}
+
+template <typename Data>
+void MatrixVec<Data>::ColumnResize(const ulong& new_column_dim){
+
+  if(new_column_dim == 0){
+    Clear();
+  }
+  else if(new_column_dim != columns){
+
+    Data* tmp = new Data[rows * new_column_dim]{};
+
+    if(new_column_dim > columns){
+      for(ulong i=0 ; i<r ; ++i){
+        for(ulong j=0 ; j<new_column_dim ; ++j){
+          if(ExistsCell(i,j)) tmp[(i*new_column_dim)+j] = (*this)(i,j);
+        }
+      }
+    }else if(new_column_dim < columns){
+      for(ulong i=0 ; i<r ; ++i){
+        for(ulong j=0 ; j<new_column_dim ; ++j){
+          tmp[(i*new_column_dim)+j] = (*this)(i,j);
+        }
+      }
+    }
+
+    size = rows * new_column_dim;
+    columns = new_column_dim;
+    std::swap(Elements, tmp);
+    delete[] tmp;
+  }
+}
+
+template <typename Data>
+bool MatrixVec<Data>::ExistsCell(const ulong& r, const ulong& c) noexcept override{
+  return (r<rows && c<columns);
+}
+
+template <typename Data>
+const Data& MatrixVec<Data>::operator()(const ulong& r, const ulong& c) const{
+  if(ExistsCell(r,c)) return Elements[(r*columns)+c];
+  else throw std::out_of_range("Tried to access position ["<<r<<"]["<<c<<"] in a ["<<rows<<"]["<<columns<<"] matrix!");
+}
+
+template <typename Data>
+Data& MatrixVec<Data>::operator()(const ulong& r, const ulong& c){
+  if(ExistsCell(r,c)) return Elements[(r*columns)+c];
+  else throw std::out_of_range("Tried to access position ["<<r<<"]["<<c<<"] in a ["<<rows<<"]["<<columns<<"] matrix!");
+}
+
+template <typename Data>
+void MatrixVec<Data>::Clear(){
+  Vector<Data>::Clear();
+  rows = 0;
+  columns = 0;
+}
+
+}