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Moved subsampling to the loaders to be able to do online subsampling (only implemented for gadget and multidark so far, the other coming in...)

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This commit is contained in:
Guilhem Lavaux 2013-02-25 12:29:09 -05:00
parent ecb4479178
commit 5cf7a94538
9 changed files with 330 additions and 34 deletions
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26
c_tools/mock/loaders/simulation_loader.cpp
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@ -1,8 +1,34 @@
#include <cmath>
#include <CosmoTool/loadSimu.hpp>
#include "simulation_loader.hpp"
using std::min;
using namespace CosmoTool;
template<typename T> void reallocArray(T *& a, long newSize, long toCopy)
{
T *b = new T[newSize];
if (a != 0)
{
memcpy(b, a, sizeof(T)*toCopy);
delete[] a;
}
a = b;
}
void SimulationLoader::reallocSimu(SimuData *s, long newNumPart)
{
long to_copy = min(newNumPart, s->NumPart);
for (int j = 0; j < 3; j++)
{
reallocArray(s->Pos[j], newNumPart, to_copy);
reallocArray(s->Vel[j], newNumPart, to_copy);
}
reallocArray(s->Id, newNumPart, to_copy);
reallocArray(s->type, newNumPart, to_copy);
}
void SimulationLoader::applyTransformations(SimuData *s)
{
float redshift_gravity = do_redshift ? 1.0 : 0.0;