MultiSource/Benchmarks/DOE-ProxyApps-C++/HACCKernels/HACCKernels.h

/*
 *                 Copyright (C) 2017, UChicago Argonne, LLC
 *                            All Rights Reserved
 *
 *           Hardware/Hybrid Cosmology Code (HACC), Version 1.0
 *
 * Salman Habib, Adrian Pope, Hal Finkel, Nicholas Frontiere, Katrin Heitmann,
 *      Vitali Morozov, Jeffrey Emberson, Thomas Uram, Esteban Rangel
 *                        (Argonne National Laboratory)
 *
 *  David Daniel, Patricia Fasel, Chung-Hsing Hsu, Zarija Lukic, James Ahrens
 *                      (Los Alamos National Laboratory)
 *
 *                               George Zagaris
 *                                 (Kitware)
 *
 *                            OPEN SOURCE LICENSE
 *
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 * modification, are permitted provided that the following conditions are met:
 *
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#ifndef RESTRICT
#if defined(__GNUC__) || defined(__clang__)
#define RESTRICT __restrict__
#elif defined(_MSC_VER)
#define RESTRICT __restrict
#else
#define RESTRICT /* empty */
#endif
#endif

typedef void
  (*GravityForceKernelFunc)(int n, float *RESTRICT x, float *RESTRICT y,
                            float *RESTRICT z, float *RESTRICT mass,
                            float x0, float y0, float z0,
                            float MaxSepSqrd, float SofteningLenSqrd,
                            float &RESTRICT ax, float &RESTRICT ay,
                            float &RESTRICT az);

void GravityForceKernel4(int n, float *RESTRICT x, float *RESTRICT y,
                         float *RESTRICT z, float *RESTRICT mass,
                         float x0, float y0, float z0,
                         float MaxSepSqrd, float SofteningLenSqrd,
                         float &RESTRICT ax, float &RESTRICT ay,
                         float &RESTRICT az);

void GravityForceKernel5(int n, float *RESTRICT x, float *RESTRICT y,
                         float *RESTRICT z, float *RESTRICT mass,
                         float x0, float y0, float z0,
                         float MaxSepSqrd, float SofteningLenSqrd,
                         float &RESTRICT ax, float &RESTRICT ay,
                         float &RESTRICT az);

void GravityForceKernel6(int n, float *RESTRICT x, float *RESTRICT y,
                         float *RESTRICT z, float *RESTRICT mass,
                         float x0, float y0, float z0,
                         float MaxSepSqrd, float SofteningLenSqrd,
                         float &RESTRICT ax, float &RESTRICT ay,
                         float &RESTRICT az);