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Fri, May 3, 09:07

tamaas.hh
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/**
* @mainpage Welcome to Tamaas !
*
* @section Introduction
* Tamaas is a spectral-boundary-element based contact library. It is made with
* love to be fast and friendly!
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Lucas Frérot <lucas.frerot@epfl.ch>
* @author Valentine Rey <valentine.rey@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016-2017 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 TAMAAS_HH
#define TAMAAS_HH
/* -------------------------------------------------------------------------- */
#include <exception>
#include <string>
#include <complex>
#include <iostream>
#include <map>
#include <memory>
/* -------------------------------------------------------------------------- */
#ifdef USE_CUDA
#include "unified_allocator.hh"
#endif
/// Namespace macros
#define __BEGIN_TAMAAS__ namespace tamaas {
#define __END_TAMAAS__ }
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
/* -------------------------------------------------------------------------- */
/// Common types definitions
typedef double Real;
typedef unsigned int UInt;
typedef int Int;
typedef std::complex<Real> Complex;
static constexpr Real zero_threshold = 1e-14;
/* -------------------------------------------------------------------------- */
/// initialize tamaas (0 threads => let OMP_NUM_THREADS decide)
void initialize(UInt num_threads = 0);
/// cleanup tamaas
void finalize();
/// exchange implementation when C++14 is not supported
template<class T, class U = T>
T exchange(T& obj, U&& new_value)
{
T old_value = std::move(obj);
obj = std::forward<U>(new_value);
return old_value;
}
/// make_unique implementation when C++14 not supported
template<typename T, typename... Args>
std::unique_ptr<T> make_unique(Args&&... args)
{
return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
/* -------------------------------------------------------------------------- */
class Exception : public std::exception {
public:
Exception(const std::string & mesg) throw() {
msg = mesg;
}
virtual const char* what() const throw() {
return msg.c_str();
}
virtual ~Exception() throw() {}
private:
std::string msg;
};
/* -------------------------------------------------------------------------- */
/// Enumeration of reduction operations
enum operation { plus, times, min, max };
/* -------------------------------------------------------------------------- */
__END_TAMAAS__
/* -------------------------------------------------------------------------- */
#define TAMAAS_EXCEPTION(mesg) { \
std::stringstream sstr; \
sstr \
<< __FILE__ \
<< ":" << __LINE__ << ":FATAL: " \
<< mesg << std::endl; \
std::cerr.flush(); \
throw ::tamaas::Exception(sstr.str()); \
}
#define SURFACE_FATAL(mesg) TAMAAS_EXCEPTION(mesg)
#if defined(TAMAAS_DEBUG)
#define TAMAAS_ASSERT(cond, reason) do { \
if (!(cond)) { \
TAMAAS_EXCEPTION(#cond " assert failed: " << reason); \
} } while(0)
#define TAMAAS_DEBUG_EXCEPTION(reason) TAMAAS_EXCEPTION(reason)
#else
#define TAMAAS_ASSERT(cond, reason)
#define TAMAAS_DEBUG_EXCEPTION(reason)
#endif
#define TAMAAS_ACCESSOR(var, type, name) type & get##name() { return var; } \
void set##name(const type & new_var) { var = new_var; }
#ifdef USE_CUDA
#define DEFAULT_ALLOCATOR UnifiedAllocator<T>
#else
#define DEFAULT_ALLOCATOR std::allocator<T>
#endif
/* -------------------------------------------------------------------------- */
#endif // TAMAAS_HH

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