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@@ -2,85 +2,73 @@
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#include <cstdlib>
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#include <stdexcept>
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template<class T>
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class Vector
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{
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template<class T> class Vector {
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private:
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T * data;
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std::size_t reserveSize;
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std::size_t size;
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T * data;
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std::size_t reserveSize;
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std::size_t size;
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void Allocate(std::size_t const allocationSize)
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{
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if(allocationSize == 0ul)
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{
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std::free(data);
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data = nullptr;
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reserveSize = 0ul;
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return;
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}
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void Allocate(std::size_t const allocationSize)
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{
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if(allocationSize == 0ul)
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{
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std::free(data);
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data = nullptr;
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reserveSize = 0ul;
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return;
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}
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if(allocationSize == size)
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{
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return;
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}
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if(allocationSize == size)
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{
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return;
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}
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void * result = std::realloc(data, sizeof(T) * allocationSize);
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if(result == nullptr)
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{
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throw std::runtime_error("Cannot allocate the requested size of memory.");
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}
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void * result = std::realloc(data, sizeof(T) * allocationSize);
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if(result == nullptr)
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{
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throw std::runtime_error("Cannot allocate the requested size of memory.");
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}
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reserveSize = allocationSize;
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data = reinterpret_cast<T *>(result);
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}
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reserveSize = allocationSize;
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data = reinterpret_cast<T *>(result);
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}
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public:
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void Resize(std::size_t const newSize)
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{
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if (newSize > reserveSize)
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{
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Allocate(newSize);
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size = newSize;
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return;
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}
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void Resize(std::size_t const newSize)
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{
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if(newSize > reserveSize)
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{
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Allocate(newSize);
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size = newSize;
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return;
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}
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size = newSize;
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}
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size = newSize;
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}
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void Reserve(std::size_t const newReserveSize)
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{
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if(newReserveSize < size)
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{
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Allocate(size);
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return;
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}
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void Reserve(std::size_t const newReserveSize)
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{
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if(newReserveSize < size)
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{
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Allocate(size);
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return;
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}
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Allocate(newReserveSize);
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}
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Allocate(newReserveSize);
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}
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T & operator[](std::size_t const index)
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{
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if(index >= size)
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{
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throw std::out_of_range("Index is greater or equal to size.");
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}
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return data[index];
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}
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T & operator[](std::size_t const index)
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{
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if(index >= size)
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{
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throw std::out_of_range("Index is greater or equal to size.");
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}
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return data[index];
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}
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std::size_t GetSize() const
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{
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return size;
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}
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std::size_t GetSize() const { return size; }
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std::size_t GetReserveSize() const
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{
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return reserveSize;
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}
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std::size_t GetReserveSize() const { return reserveSize; }
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Vector()
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: data(nullptr),
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reserveSize(0ul),
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size(0ul)
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{}
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Vector() : data(nullptr), reserveSize(0ul), size(0ul) { }
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};
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