/usr/include/liggghts/utils.h is in libliggghts-dev 3.5.0+repack1-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It 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. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
Richard Berger (JKU Linz)
Copyright 2009-2012 JKU Linz
------------------------------------------------------------------------- */
#ifndef UTILS_H
#define UTILS_H
#include <mpi.h>
#include "lmptype.h"
#include "lammps.h"
#include <string>
#include <map>
#include <iostream>
#include "contact_interface.h"
namespace LIGGGHTS {
using namespace LAMMPS_NS;
namespace Utils {
template <typename T>
inline T* ptr_reduce(T** &t)
{ return &(t[0][0]); }
template <typename T>
inline T* ptr_reduce(T* &t)
{ return t; }
template <typename T>
inline T* ptr_reduce(T &t)
{ return &t; }
template<typename Interface>
class AbstractFactory {
typedef typename Interface::ParentType ParentType;
typedef Interface * (*Creator)(class LAMMPS * lmp, ParentType* parent);
typedef int64_t (*VariantSelector)(int & argc, char ** & argv);
typedef std::map<std::pair<std::string, int>, Creator> StyleTable;
typedef std::map<std::string, VariantSelector> VariantSelectorTable;
StyleTable styleTable;
VariantSelectorTable variantSelectorTable;
AbstractFactory(const AbstractFactory &){}
AbstractFactory& operator=(const AbstractFactory&){}
protected:
AbstractFactory() {}
public:
Interface * create(const std::string & name, int64_t variant, class LAMMPS * lmp, ParentType* parent) {
std::pair<std::string, int> key(name, variant);
if(styleTable.find(key) != styleTable.end()) {
return styleTable[key](lmp, parent);
}
return NULL;
}
int64_t selectVariant(const std::string & name, int & argc, char ** & argv) {
if(variantSelectorTable.find(name) != variantSelectorTable.end()) {
return variantSelectorTable[name](argc, argv);
}
return 0;
}
void addStyle(const std::string & name, int variant, Creator create) {
std::pair<std::string, int> key(name, variant);
if(styleTable.find(key) != styleTable.end()){
std::cerr << "WARNING! Style collision detected! Duplicate entry (" << key.first << ", " << key.second << ") in style table." << std::endl;
}
styleTable[key] = create;
}
void addVariantSelector(const std::string & name, VariantSelector selector) {
if(variantSelectorTable.find(name) != variantSelectorTable.end()){
std::cerr << "WARNING! VariantSelector collision detected! Duplicate entry '" << name << "' in variant selector table." << std::endl;
}
variantSelectorTable[name] = selector;
}
};
}
}
#endif // UTILS_H
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