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synchronized_array.hh
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/**
* @file synchronized_array.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri Mar 16 2018
* @date last modification: Tue Sep 29 2020
*
* @brief synchronized array: a array can be registered to another (hereafter
* called top) array. If an element is added to or removed from the top array,
* the registered array removes or adds at the same position an element. The two
* arrays stay therefore synchronized.
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef AST_SYNCHRONIZED_ARRAY_HH_
#define AST_SYNCHRONIZED_ARRAY_HH_
/* -------------------------------------------------------------------------- */
// std
#include <vector>
// akantu
#include "aka_array.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
enum SyncChoice { _added, _deleted };
/* -------------------------------------------------------------------------- */
class SynchronizedArrayBase {
public:
SynchronizedArrayBase() = default;
~SynchronizedArrayBase() = default;
virtual ID getID() const { return "call should be virtual"; };
virtual UInt syncDeletedElements(std::vector<UInt> & delete_el) = 0;
virtual UInt syncAddedElements(UInt nb_added_el) = 0;
};
/* -------------------------------------------------------------------------- */
template <class T>
class SynchronizedArray : public SynchronizedArrayBase, protected Array<T> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
using value_type = typename Array<T>::value_type;
using reference = typename Array<T>::reference;
using pointer_type = typename Array<T>::pointer_type;
using const_reference = typename Array<T>::const_reference;
SynchronizedArray(UInt size, UInt nb_component, const_reference value,
const ID & id, const_reference default_value,
const std::string & restart_name);
~SynchronizedArray() override = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// push_back
template <typename P> inline void push_back(P && value);
/// erase
inline void erase(UInt i);
// template<typename R>
// inline void erase(const iterator<R> & it);
/// synchronize elements
void syncElements(SyncChoice sync_choice);
/// dump restart file
void dumpRestartFile(const std::string & file_name) const;
/// read restart file
void readRestartFile(const std::string & file_name);
/// register depending array
void registerDependingArray(SynchronizedArrayBase & array);
/// function to print the contain of the class
void printself(std::ostream & stream, int indent = 0) const override;
/// find position of element
Int find(const T & elem) const { return Array<T>::find(elem); };
/// set values to zero
inline void zero() { Array<T>::zero(); };
// inline void clear() { memset(values, 0, size*nb_component*sizeof(T)); };
/// set all entries of the array to the value t
/// @param t value to fill the array with
inline void set(T t) { Array<T>::set(t); }
/// set
template <template <typename> class C> inline void set(const C<T> & vm) {
Array<T>::set(vm);
}
/// set all entries of the array to value t and set default value
inline void setAndChangeDefault(T t) {
this->set(t);
this->default_value = t;
}
/// copy the content of an other array
void copy(const SynchronizedArray<T> & vect) { Array<T>::copy(vect); };
/// give the address of the memory allocated for this array
T * storage() const { return Array<T>::storage(); };
// T * storage() const { return this->values; };
// get nb component
UInt getNbComponent() const { return Array<T>::getNbComponent(); };
protected:
UInt syncDeletedElements(std::vector<UInt> & del_elements) override;
UInt syncAddedElements(UInt nb_add_elements) override;
/* ------------------------------------------------------------------------ */
/* Operators */
/* ------------------------------------------------------------------------ */
public:
inline reference operator()(UInt i, UInt j = 0) {
return Array<T>::operator()(i, j);
}
inline const_reference operator()(UInt i, UInt j = 0) const {
return Array<T>::operator()(i, j);
}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_SET_MACRO(DefaultValue, default_value, T);
UInt size() const { return this->size_; };
ID getID() const override { return Array<T>::getID(); };
const Array<T> & getArray() const {
const Array<T> & a = *(dynamic_cast<const Array<T> *>(this));
return a;
};
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// init value when new elements added
T default_value;
/// restart file_name
const std::string restart_name;
/// elements that have been deleted
std::vector<UInt> deleted_elements;
/// number of elements to add
UInt nb_added_elements;
/// pointers to arrays to be updated
std::vector<SynchronizedArrayBase *> depending_arrays;
};
/// standard output stream operator
template <typename T>
inline std::ostream & operator<<(std::ostream & stream,
const SynchronizedArray<T> & _this) {
_this.printself(stream);
return stream;
}
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "synchronized_array_inline_impl.hh"
#endif /* AST_SYNCHRONIZED_ARRAY_HH_ */
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