62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
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/*+
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ARES/HADES/BORG Package -- ./libLSS/tools/hdf5_scalar.hpp
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Copyright (C) 2014-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
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Copyright (C) 2009-2020 Jens Jasche <jens.jasche@fysik.su.se>
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Additional contributions from:
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Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
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+*/
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#ifndef __LIBLSS_HDF5_SCALAR_HPP
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#define __LIBLSS_HDF5_SCALAR_HPP
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#include <boost/format.hpp>
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#include <CosmoTool/hdf5_array.hpp>
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#include "libLSS/tools/console.hpp"
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#include "libLSS/tools/errors.hpp"
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#include "libLSS/tools/hdf5_type.hpp"
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namespace LibLSS {
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template<typename T>
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void hdf5_save_scalar(H5_CommonFileGroup& fg, const std::string& name, const T& scalar) {
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hsize_t d = 1;
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using CosmoTool::get_hdf5_data_type;
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H5::DataSpace dataspace(1, &d);
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H5::DataSet dataset = fg.createDataSet(name, get_hdf5_data_type<T>::type(), dataspace);
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dataset.write(&scalar, get_hdf5_data_type<T>::type());
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}
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namespace details {
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namespace {
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void scalar_error(const std::string& name) {
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error_helper<ErrorIO>(boost::format("Scalar '%s' has wrong dimensions in file") % name);
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}
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}
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}
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template<typename T>
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T hdf5_load_scalar(H5_CommonFileGroup& fg, const std::string& name) {
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using CosmoTool::get_hdf5_data_type;
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H5::DataSet dataset = fg.openDataSet(name);
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H5::DataSpace dataspace = dataset.getSpace();
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hsize_t d;
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if (dataspace.getSimpleExtentNdims() != 1)
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details::scalar_error(name);
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dataspace.getSimpleExtentDims(&d);
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if (d != 1)
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details::scalar_error(name);
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T data;
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dataset.read(&data, get_hdf5_data_type<T>::type());
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return data;
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}
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}
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#endif
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