Commit 920b17ef authored by Matthieu Schaller's avatar Matthieu Schaller
Browse files

Added missing file to the repository.


Former-commit-id: b5b39f214e101ba8db1ada6df66206d71d77a585
parent 95d9c22a
/*******************************************************************************
* This file is part of SWIFT.
* Coypright (c) 2012 Matthieu Schaller (matthieu.schaller@durham.ac.uk).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include <hdf5.h>
/**
* @brief Error macro
*
*/
#define error(s) { fprintf( stderr , "%s:%s():%i: %s\n" , __FILE__ , __FUNCTION__ , __LINE__ , s ); abort(); }
/**
* @brief The different types of data used in the GADGET IC files.
*
* (This is admittedly a poor substitute to C++ templates...)
*/
enum DATA_TYPE{INT, LONG, LONGLONG, UINT, ULONG, ULONGLONG, FLOAT, DOUBLE};
/**
* @brief The two sorts of data present in the GADGET IC files: compulsory to start a run or optional.
*
*/
enum DATA_IMPORTANCE{COMPULSORY=1, OPTIONAL=0};
/**
* @brief Converts a C data type to the HDF5 equivalent.
*
* This function is a trivial wrapper around the HDF5 types but allows
* to change the exact storage types matching the code types in a transparent way.
*/
static hid_t hdf5Type(enum DATA_TYPE type)
{
switch(type)
{
case INT: return H5T_NATIVE_INT;
case UINT: return H5T_NATIVE_UINT;
case LONG: return H5T_NATIVE_LONG;
case ULONG: return H5T_NATIVE_ULONG;
case LONGLONG: return H5T_NATIVE_LLONG;
case ULONGLONG: return H5T_NATIVE_ULLONG;
case FLOAT: return H5T_NATIVE_FLOAT;
case DOUBLE: return H5T_NATIVE_DOUBLE;
default: error("Unknown type");
}
}
/**
* @brief Returns the memory size of the data type
*/
static size_t sizeOfType(enum DATA_TYPE type)
{
switch(type)
{
case INT: return sizeof(int);
case UINT: return sizeof(unsigned int);
case LONG: return sizeof(long);
case ULONG: return sizeof(unsigned long);
case LONGLONG: return sizeof(long long);
case ULONGLONG: return sizeof(unsigned long long);
case FLOAT: return sizeof(float);
case DOUBLE: return sizeof(double);
default: error("Unknown type");
}
}
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