kcom.h

/* -------------------------------------------------------------------------- *
 *                                   OpenMM                                   *
 * -------------------------------------------------------------------------- *
 * This is part of the OpenMM molecular simulation toolkit originating from   *
 * Simbios, the NIH National Center for Physics-Based Simulation of           *
 * Biological Structures at Stanford, funded under the NIH Roadmap for        *
 * Medical Research, grant U54 GM072970. See https://simtk.org.               *
 *                                                                            *
 * Portions copyright (c) 2008 Stanford University and the Authors.           *
 * Authors: Peter Eastman, Mark Friedrichs, Chris Bruns                       *
 * Contributors:                                                              *
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void  kCalculateLinearMomentum( ::brook::stream mass, ::brook::stream velocities, ::brook::stream linearMomentum );
void  kReduceLinearMomentum( ::brook::stream momentum, ::brook::stream linearMomentum );
//void  kSumLinearMomentum( ::brook::stream momentum, float3* linearMomentum );
void  kScale( float scale, ::brook::stream linearMomentumIn, ::brook::stream linearMomentumOut );
void  kRemoveLinearMomentum( ::brook::stream linearMomentum, ::brook::stream velocitiesIn, ::brook::stream velocitiesOut );
void kSum( ::brook::stream array, ::brook::stream sum );

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

   This kernel calculates the total linear momentum via a reduction

   @param atomStrWidth   atom stream width
   @param numberOfAtoms  number of atoms
   @param scale          sum of inverse masses
   @param momentum       momentum
   @param linearMomentum total momentum

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

void kSumLinearMomentum( float atomStrWidth, float numberOfAtoms, float scale, ::brook::stream momentum, ::brook::stream linearMomentum );