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tamaas/src/core/types.hh
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types.hh
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Tamaas 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __TYPES_HH__
#define __TYPES_HH__
/* -------------------------------------------------------------------------- */
#include "tamaas.hh"
#include "grid.hh"
#include <cstddef>
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
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->offset = o.offset;
this->strides = o.strides;
this->data.wrapMemory(o.getInternalData(), o.dataSize());
}
/// Destructor
virtual ~Proxy() {}
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);
VectorProxy(VectorProxy & o) : Proxy<T, 1>(o) {}
virtual ~VectorProxy() {}
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);
MatrixProxy(MatrixProxy & o) : Proxy<T, 2>(o) {}
virtual ~MatrixProxy() {}
public:
/// = operator
using Proxy<T, 2>::operator=;
};
__END_TAMAAS__
#endif // __TYPES_HH__
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