compute_interaction.hh
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compute_interaction.hh
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			#ifndef __COMPUTE_INTERACTION__HH__
			#define __COMPUTE_INTERACTION__HH__

			/* -------------------------------------------------------------------------- */
			#include "compute.hh"

			//! Base class for interaction computation
			class ComputeInteraction : public Compute {
			public:
			//! Apply a functor on all particle pairs
			template <typename Functor>
			void applyOnPairs(Functor func, System& system);
			};

			/* -------------------------------------------------------------------------- */
			/* Template implementation */
			/* -------------------------------------------------------------------------- */
			template <typename Functor>
			void ComputeInteraction::applyOnPairs(Functor func, System &system) {
			UInt size = system.getNbParticles();

			for (UInt p1 = 0; p1 < size; ++p1) {
			Particle& par1 = system.getParticle(p1);
			for (UInt p2 = p1 + 1; p2 < size; ++p2) {
			Particle& par2 = system.getParticle(p2);
			func(par1, par2);
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			#endif //__COMPUTE_INTERACTION__HH__