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loop.cpp
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	/**
	*
	* @author Lucas Frérot <lucas.frerot@epfl.ch>
	*
	* @section LICENSE
	*
	* Copyright (©) 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/>.
	*
	*/
	/* -------------------------------------------------------------------------- */
	#include "loop.hh"
	#include "tamaas.hh"
	/* -------------------------------------------------------------------------- */

	__BEGIN_TAMAAS__

	Loop * Loop::singleton = nullptr;

	/* -------------------------------------------------------------------------- */

	void Loop::init(Loop::backend back) {
	if (!singleton) {
	singleton = new Loop;
	singleton->_backend = back;
	}
	}

	/* -------------------------------------------------------------------------- */

	Loop & Loop::get() {
	TAMAAS_ASSERT(singleton != nullptr, "Did you forget to initialize tamaas?");
	return *singleton;
	}

	__END_TAMAAS__