* real4 delta = pos2-pos1;
* energy += delta.x*delta.x + delta.y*delta.y + delta.z*delta.z;
* real3 force1 = 2.0f*delta;
* real3 force2 = -2.0f*delta;
*
*
* Interactions will often depend on parameters or other data. Call addArgument() to provide the data
* to this class. It will be passed to the interaction kernel as an argument, and you can refer to it
* from your interaction code.
*/
class OPENMM_EXPORT_CUDA CudaBondedUtilities {
public:
CudaBondedUtilities(CudaContext& context);
/**
* Add a bonded interaction.
*
* @param atoms this should have one entry for each bond, and that entry should contain the list
* of atoms involved in the bond. Every entry must have the same number of atoms.
* @param source the code to evaluate the interaction
* @param group the force group in which the interaction should be calculated
*/
void addInteraction(const std::vector