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#pragma once
// Define allocation like:
// free_ptr<Integer> quantized(AlignedArray<Integer>(rows * cols));
// This is only used by tests.
#include <cstdlib>
#include <memory>
namespace intgemm {
struct DeleteWithFree {
template <class T> void operator() (T *t) const {
// This requires newer C++
// std::free(const_cast<std::remove_const_t<T>* >(t));
std::free(t);
}
};
template <class T> using free_ptr = std::unique_ptr<T, DeleteWithFree>;
// Return memory suitably aligned for SIMD.
template <class T> T* AlignedArray(std::size_t size) {
return static_cast<T*>(aligned_alloc(64, size * sizeof(T)));
}
template <class T> class AlignedVector {
public:
explicit AlignedVector(std::size_t size) : mem_(AlignedArray<T>(size)) {}
T &operator[](std::size_t offset) { return mem_.get()[offset]; }
const T &operator[](std::size_t offset) const { return mem_.get()[offset]; }
T *get() { return mem_.get(); }
const T *get() const { return mem_.get(); }
private:
free_ptr<T> mem_;
};
} // namespace intgemm
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