106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*+
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This is CosmoTool (./sample/testSmooth.cpp) -- Copyright (C) Guilhem Lavaux (2007-2014)
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guilhem.lavaux@gmail.com
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This software is a computer program whose purpose is to provide a toolbox for cosmological
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data analysis (e.g. filters, generalized Fourier transforms, power spectra, ...)
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This software is governed by the CeCILL license under French law and
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abiding by the rules of distribution of free software. You can use,
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modify and/ or redistribute the software under the terms of the CeCILL
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license as circulated by CEA, CNRS and INRIA at the following URL
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"http://www.cecill.info".
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As a counterpart to the access to the source code and rights to copy,
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modify and redistribute granted by the license, users are provided only
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with a limited warranty and the software's author, the holder of the
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economic rights, and the successive licensors have only limited
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liability.
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In this respect, the user's attention is drawn to the risks associated
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with loading, using, modifying and/or developing or reproducing the
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software by the user in light of its specific status of free software,
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that may mean that it is complicated to manipulate, and that also
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therefore means that it is reserved for developers and experienced
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professionals having in-depth computer knowledge. Users are therefore
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encouraged to load and test the software's suitability as regards their
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requirements in conditions enabling the security of their systems and/or
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data to be ensured and, more generally, to use and operate it in the
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same conditions as regards security.
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The fact that you are presently reading this means that you have had
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knowledge of the CeCILL license and that you accept its terms.
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+*/
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#include <iostream>
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#include "sphSmooth.hpp"
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#include "yorick.hpp"
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#include "mykdtree.hpp"
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using namespace std;
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using namespace CosmoTool;
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#define NX 1024
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#define ND 2
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typedef SPHSmooth<char,ND> MySmooth;
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typedef MySmooth::SPHTree MyTree;
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typedef MySmooth::SPHNode MyNode;
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typedef MySmooth::SPHCell MyCell;
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double unit_fun(const char& c)
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{
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return 1.0;
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}
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int main()
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{
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uint32_t Ncells = 10000;
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MyCell *cells = new MyCell[Ncells];
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for (int i = 0; i < Ncells; i++)
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{
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cells[i].active = true;
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for (int l = 0; l < ND; l++)
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cells[i].coord[l] = drand48();
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cells[i].val.weight = 0;
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}
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MyTree tree(cells, Ncells);
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MySmooth smooth(&tree, 16);
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for (uint32_t iy = 0; iy < NX; iy++)
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{
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cout << "iy=" << iy << endl;
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for (uint32_t ix = 0; ix < NX; ix++)
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{
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MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
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smooth.fetchNeighbours(c);
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smooth.addGridSite(c);
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}
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}
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uint32_t dims[] = { NX, NX };
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ProgressiveOutput<ComputePrecision> out =
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ProgressiveOutput<ComputePrecision>::saveArrayProgressive("out.nc", dims, 2);
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//#pragma omp parallel for schedule(static)
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for (uint32_t iy = 0; iy < NX; iy++)
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{
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MySmooth::SPHState state;
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cout << "iy=" << iy << endl;
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for (uint32_t ix = 0; ix < NX; ix++)
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{
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MyTree::coords c = { 1.0*ix/NX, 1.0*iy/NX };
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smooth.fetchNeighbours(c, &state);
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out.put(smooth.computeSmoothedValue(c, unit_fun, &state));
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}
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}
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return 0;
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}
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