156 lines
4.5 KiB
C++
156 lines
4.5 KiB
C++
/*+
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This is CosmoTool (./src/fortran.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 __COSMO_FORTRAN_HPP
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#define __COSMO_FORTRAN_HPP
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#include <string>
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#include <stdint.h>
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#include <inttypes.h>
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#include <iostream>
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#include "config.hpp"
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namespace CosmoTool
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{
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class InvalidUnformattedAccess : public Exception
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{
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};
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class FortranTypes
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{
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public:
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enum Ordering {
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LittleEndian, BigEndian
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};
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enum CheckpointSize {
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Check_32bits, Check_64bits
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};
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};
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class UnformattedRead: public FortranTypes
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{
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public:
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UnformattedRead(const std::string& fname)
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throw (NoSuchFileException);
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UnformattedRead(const char *fname)
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throw (NoSuchFileException);
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~UnformattedRead();
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// Todo implement primitive description
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void setOrdering(Ordering o);
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void setCheckpointSize(CheckpointSize cs);
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uint64_t getBlockSize() const { return checkPointRef; }
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void beginCheckpoint()
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throw (InvalidUnformattedAccess,EndOfFileException);
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void endCheckpoint(bool autodrop = false)
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throw (InvalidUnformattedAccess);
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double readReal64()
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throw (InvalidUnformattedAccess);
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float readReal32()
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throw (InvalidUnformattedAccess);
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uint32_t readUint32()
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throw (InvalidUnformattedAccess);
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int32_t readInt32()
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throw (InvalidUnformattedAccess);
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int64_t readInt64()
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throw (InvalidUnformattedAccess);
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void skip(int64_t off)
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throw (InvalidUnformattedAccess);
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int64_t position() const;
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void seek(int64_t pos);
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void readOrderedBuffer(void *buffer, int size)
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throw (InvalidUnformattedAccess);
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protected:
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bool swapOrdering;
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CheckpointSize cSize;
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uint64_t checkPointRef;
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uint64_t checkPointAccum;
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std::ifstream *f;
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};
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class UnformattedWrite: public FortranTypes
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{
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public:
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UnformattedWrite(const std::string& fname)
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throw (NoSuchFileException);
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UnformattedWrite(const char *fname)
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throw (NoSuchFileException);
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~UnformattedWrite();
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// Todo implement primitive description
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void setOrdering(Ordering o);
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void setCheckpointSize(CheckpointSize cs);
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void beginCheckpoint()
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throw (FilesystemFullException,InvalidUnformattedAccess);
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void endCheckpoint()
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throw (FilesystemFullException,InvalidUnformattedAccess);
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void writeReal64(double d)
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throw (FilesystemFullException);
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void writeReal32(float f)
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throw (FilesystemFullException);
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void writeInt32(int32_t i)
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throw (FilesystemFullException);
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void writeInt64(int64_t i)
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throw (FilesystemFullException);
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void writeInt8(int8_t c)
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throw (FilesystemFullException);
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void writeOrderedBuffer(void *buffer, int size)
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throw(FilesystemFullException);
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protected:
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bool swapOrdering;
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CheckpointSize cSize;
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std::streamoff checkPointRef;
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uint64_t checkPointAccum;
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std::ofstream *f;
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};
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};
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#endif
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