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/* **************************************************************************
* Copyright (C) 2018-2024 Advanced Micro Devices, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* *************************************************************************/
#pragma once
#include <vector>
namespace matxu
{
template <typename T_,
typename I_,
/* typename = typename std::enable_if<std::is_arithmetic<std::decay_t<T_>>::value>::type, */
typename = typename std::enable_if<std::is_integral<std::decay_t<I_>>::value
&& std::is_signed<std::decay_t<I_>>::value>::type>
class MatrixInterface
{
public:
using T = T_;
using I = I_;
using S = decltype(std::real(T{}));
virtual ~MatrixInterface() = default;
virtual T const* data() const
{
return nullptr;
}
virtual T* data()
{
return nullptr;
}
[[maybe_unused]] virtual T* copy_to(T*) const
{
return nullptr;
}
[[maybe_unused]] virtual bool copy_to(std::vector<T>&) const
{
return false;
}
[[maybe_unused]] virtual bool copy_data_from(const MatrixInterface<T_, I_>& source)
{
return false;
}
[[maybe_unused]] virtual bool set_data_from(const MatrixInterface<T_, I_>& source)
{
return false;
}
virtual void set_to_zero() = 0;
virtual I nrows() const = 0;
virtual I ncols() const = 0;
virtual I ld() const = 0;
virtual I size() const = 0;
virtual I num_bytes() const = 0;
virtual bool empty() const
{
return true;
}
virtual bool reshape(I /* nrows */, I /* ncols */)
{
return false;
}
virtual T operator()(I, I) const = 0;
virtual T& operator()(I, I) = 0;
virtual T operator[](I) const = 0;
virtual T& operator[](I) = 0;
virtual S norm() const = 0;
virtual S max_coeff_norm() const = 0;
virtual S max_col_norm() const = 0;
protected:
};
} // namespace matxu
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