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tamaas/src/core/legacy_types.hh
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legacy_types.hh
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __TYPES_HH__
#define __TYPES_HH__
/* -------------------------------------------------------------------------- */
#include "grid.hh"
#include "tamaas.hh"
#include <cstddef>
/* -------------------------------------------------------------------------- */
namespace tamaas {
namespace legacy {
template <typename T, UInt dim>
class Proxy : public Grid<T, dim> {
public:
/// Default constructor
Proxy() : Grid<T, dim>() {}
/// Copy constructor
Proxy(Proxy& o) : Grid<T, dim>() {
this->n = o.n;
this->nb_components = o.nb_components;
this->strides = o.strides;
this->data.wrapMemory(o.getInternalData(), o.dataSize());
}
/// Destructor
~Proxy() override = default;
public:
/// Set pointer
void setPointer(T* ptr) { this->data.setData(ptr); }
/// Get increment
ptrdiff_t increment() const { return this->data.size(); }
///
Proxy& operator=(const Proxy& o) {
this->copy(o);
return *this;
}
Proxy& operator=(T val) {
Grid<T, dim>::operator=(val);
return *this;
}
template <typename T1>
Proxy& operator=(const Grid<T1, dim>& o) {
this->copy(o);
return *this;
}
template <typename T1>
void copy(const Grid<T1, dim>& o) {
Grid<T, dim>::copy(o);
this->data.setWrapped(true);
}
};
// Forward declarations
template <typename T>
class MatrixProxy;
template <typename T>
class VectorProxy : public Proxy<T, 1> {
public:
/// Wrap on memory
VectorProxy(T* mem, UInt n);
using Proxy<T, 1>::Proxy;
~VectorProxy() override = default;
public:
/// = operator
using Proxy<T, 1>::operator=;
/// Matrix-vector multiplication
void mul(const MatrixProxy<T>& mat, const VectorProxy<T>& vec);
/// Dot product
T dot(const VectorProxy<T>& vec);
/// L2 norm
T l2norm() const;
};
/* -------------------------------------------------------------------------- */
template <typename T>
class MatrixProxy : public Proxy<T, 2> {
public:
/// Wrap on memory
MatrixProxy(T* mem, UInt n, UInt m);
using Proxy<T, 2>::Proxy;
~MatrixProxy() override = default;
public:
/// = operator
using Proxy<T, 2>::operator=;
};
} // namespace legacy
} // namespace tamaas
#endif // __TYPES_HH__
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