58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
#include <cmath>
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#include <iostream>
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#include <cstdlib>
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#include "cic.hpp"
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#include "loadGadget.hpp"
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#include "miniargs.hpp"
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#include <H5Cpp.h>
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#include "hdf5_array.hpp"
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using namespace CosmoTool;
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using namespace std;
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int main(int argc, char **argv)
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{
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typedef boost::multi_array<float, 2> array_type;
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uint32_t res;
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char *fname;
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int id;
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MiniArgDesc desc[] = {
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{ "SNAPSHOT", &fname, MINIARG_STRING },
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{ 0, 0, MINIARG_NULL }
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};
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if (!parseMiniArgs(argc, argv, desc))
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return 1;
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H5::H5File f("density.h5", H5F_ACC_TRUNC);
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SimuData *p = loadGadgetMulti(fname, 0, 0);
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double L0 = p->BoxSize/1000;
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array_type parts(boost::extents[p->TotalNumPart][6]);
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uint64_t q = 0;
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try {
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for (int cpuid=0;;cpuid++) {
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p = loadGadgetMulti(fname, cpuid, NEED_POSITION|NEED_VELOCITY);
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for (uint32_t i = 0; i < p->NumPart; i++)
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{
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parts[q][0] = p->Pos[0][i]/1000;
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parts[q][1] = p->Pos[1][i]/1000;
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parts[q][2] = p->Pos[2][i]/1000;
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parts[q][3] = p->Vel[0][i];
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parts[q][4] = p->Vel[1][i];
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parts[q][5] = p->Vel[2][i];
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q++;
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}
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delete p;
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}
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} catch (const NoSuchFileException& e) {}
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hdf5_write_array(f, "particles", parts);
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return 0;
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}
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