137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/*+
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This is CosmoTool (./src/load_data.hpp) -- 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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#ifndef _LOAD_GADGET_DATA_HPP
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#define _LOAD_GADGET_DATA_HPP
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#include "config.hpp"
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namespace CosmoTool {
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struct GadgetHeader
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{
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int npart[6];
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double mass[6];
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double time;
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double redshift;
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int flag_sfr;
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int flag_feedback;
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int npartTotal[6];
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int flag_cooling;
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int num_files;
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double BoxSize;
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double Omega0;
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double OmegaLambda;
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double HubbleParam;
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int flag_doubleprecision;
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int flag_ic_info;
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float lpt_scalingfactor;
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char fill[18]; /*!< fills to 256 Bytes */
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char names[15][2];
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};
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struct ParticleState
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{
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float Pos[3];
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float Init[3];
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float Vel[3];
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float VelInit[3];
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float Mass;
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int Type;
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float Rho, U, Temp, Ne;
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int Id;
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};
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struct GadgetData {
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GadgetHeader header;
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ParticleState *particles;
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int NumPart;
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int ntot_withmasses;
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};
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struct ParticleSetHeader {
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int Ntypes;
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float BoxSize;
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float RedShift;
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char header[256 - 4 - 2*4];
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};
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struct ParticleSet {
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ParticleSetHeader header;
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// Particle description
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int *Npart;
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ParticleState **particles;
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};
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struct PurePositionData {
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unsigned int NumPart;
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double BoxSize;
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double hubble;
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FCoordinates *pos;
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};
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struct PhaseSpaceData {
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unsigned int NumPart;
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double hubble;
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double BoxSize;
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FCoordinates *pos;
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FCoordinates *vel;
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};
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struct PhaseSpaceDataID {
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unsigned int NumPart;
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double hubble;
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double BoxSize;
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FCoordinates *pos;
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FCoordinates *vel;
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int *ID;
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};
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void writeGadget(GadgetData *data, const char *fname);
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GadgetData *loadGadget(const char *fname);
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void freeGadget(GadgetData *data);
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GadgetData *loadSimulationData(const char *fname);
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GadgetData *loadHydra(const char *fname);
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void writePersoSet(ParticleSet *set, const char *fname);
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ParticleSet *loadPersoSet(const char *fname);
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void freePersoSet(ParticleSet *set);
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};
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#endif
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