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[LbmBenchmarkKernelsPublic.git] / src / BenchKernelD3Q19AaVecCommon.h

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+// --------------------------------------------------------------------------
+//
+// Copyright
+//   Markus Wittmann, 2016-2017
+//   RRZE, University of Erlangen-Nuremberg, Germany
+//   markus.wittmann -at- fau.de or hpc -at- rrze.fau.de
+//
+//   Viktor Haag, 2016
+//   LSS, University of Erlangen-Nuremberg, Germany
+//
+//  This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels).
+//
+//  LbmBenchKernels is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  LbmBenchKernels 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 General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with LbmBenchKernels.  If not, see <http://www.gnu.org/licenses/>.
+//
+// --------------------------------------------------------------------------
+#ifndef __BENCH_KERNEL_D3Q19_AA_VEC_COMMON_H__
+#define __BENCH_KERNEL_D3Q19_AA_VEC_COMMON_H__
+
+// #include "BenchKernelD3Q19AaCommon.h"
+
+#include "Kernel.h"
+
+typedef struct KernelDataAa_
+{
+       KernelData kd;
+       int Blk[3];                     // Blocking in X, Y, and Z direction, value of 0 disables blocking.
+       int Iteration;          // Current iteration number.
+} KernelDataAa;
+
+// Macro for casting KernelData * to KernelDataAa *.
+#define KDA(_x_)       ((KernelDataAa *)(_x_))
+
+// Build a function name extended by the propagation model name and the data layout.
+// FNANEM(test) will be expanded to test_PushSoA if DATA_LAYOUT_NAME is defined
+// as SoA and PROP_MODEL is defined as Push.
+#define FNAME(functionName)    JOIN(JOIN(functionName,_),JOIN(PROP_MODEL_NAME,DATA_LAYOUT_NAME))
+
+#ifndef DATA_LAYOUT_SOA
+       #error Only DATA_LAYOUT_SOA is supported.
+#endif
+
+#ifndef PROP_MODEL_AA
+       #error Only PROP_MODEL_AA is supported.
+#endif
+
+// -----------------------------------------------------------------------
+// Index function for accesssing PDF array for different data layouts.
+
+#define P_INDEX_5              FNAME(PINDEX5)
+
+static inline int FNAME(PINDEX5)(int dims[3], int x, int y, int z, int d)
+{
+       Assert(dims[0] > 0);
+       Assert(dims[1] > 0);
+       Assert(dims[2] > 0);
+
+       Assert(x >= 0);
+       Assert(x < dims[0]);
+       Assert(y >= 0);
+       Assert(y < dims[1]);
+       Assert(z >= 0);
+       Assert(z < dims[2]);
+       Assert(d >= 0);
+#ifdef D3Q19
+       Assert(d < N_D3Q19);
+#else
+       #error Not implemented for this discretization.
+#endif
+
+#ifdef DATA_LAYOUT_SOA
+       return d * dims[0] * dims[1] * dims[2] + x * dims[1] * dims[2] + y * dims[2] + z;
+// #elif DATA_LAYOUT_AOS
+//     return x * dims[1] * dims[2] * N_D3Q19 + y * dims[2] * N_D3Q19 + z * N_D3Q19 + d;
+#else
+       #error P_INDEX_5 function no implemented for chosen data layout.
+#endif
+}
+
+
+
+#endif // __BENCH_KERNEL_D3Q19_AA_VEC_COMMON_H__
+