76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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LAMMPS development team: developers@lammps.org
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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Contributed by Timothy Sirk
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------------------------------------------------------------------------- */
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#ifdef READER_CLASS
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// clang-format off
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ReaderStyle(native,ReaderNative);
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// clang-format on
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#else
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#ifndef LMP_READER_NATIVE_H
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#define LMP_READER_NATIVE_H
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#include "reader.h"
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#include <map>
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#include <string>
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namespace LAMMPS_NS {
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class ReaderNative : public Reader {
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public:
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ReaderNative(class LAMMPS *);
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~ReaderNative() override;
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int read_time(bigint &) override;
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void skip() override;
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bigint read_header(double[3][3], int &, int &, int, int, int *, char **, int, int, int &, int &,
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int &, int &) override;
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void read_atoms(int, int, double **) override;
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private:
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int revision;
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std::string magic_string;
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std::string unit_style;
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int *fieldindex;
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char *line; // line read from dump file
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double *databuf; // buffer for binary data
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int nwords; // # of per-atom columns in dump file
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int size_one; // number of double for one atom
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size_t maxbuf; // maximum buffer size
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int nchunk; // number of chunks in the binary file
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int ichunk; // index of current reading chunk
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int natom_chunk; // number of atoms in the current chunks
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int iatom_chunk; // index of current atom in the current chunk
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int find_label(const std::string &label, const std::map<std::string, int> &labels);
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void read_lines(int);
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void read_buf(void *, size_t, size_t);
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void read_double_chunk(size_t);
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void skip_buf(size_t);
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void skip_reading_magic_str();
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bool is_known_magic_str() const;
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std::string read_binary_str(size_t);
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};
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} // namespace LAMMPS_NS
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#endif
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#endif
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