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#pragma once
#include <cstdlib>
// 64-byte aligned simple vector.
namespace intgemm {
template <class T> class AlignedVector {
public:
explicit AlignedVector(std::size_t size)
: mem_(static_cast<T*>(aligned_alloc(64, size * sizeof(T)))), size_(size) {}
~AlignedVector() { std::free(mem_); }
std::size_t size() const { return size_; }
T &operator[](std::size_t offset) { return mem_[offset]; }
const T &operator[](std::size_t offset) const { return mem_[offset]; }
T *begin() { return mem_; }
const T *begin() const { return mem_; }
T *end() { return mem_ + size_; }
const T *end() const { return mem_ + size_; }
template <typename ReturnType>
ReturnType *as() { return reinterpret_cast<ReturnType*>(mem_); }
private:
T *mem_;
std::size_t size_;
// Deleted.
AlignedVector(AlignedVector &);
AlignedVector &operator=(AlignedVector &);
};
} // namespace intgemm
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