mirror of
https://github.com/triqs/dft_tools
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57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011-2013 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#ifndef TRIQS_H5_SCALAR_H
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#define TRIQS_H5_SCALAR_H
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#include "./group.hpp"
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namespace triqs { namespace h5 {
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template <typename S>
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typename std::enable_if<std::is_arithmetic<S>::value>::type
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h5_write (group g, std::string const & name, S const & A) {
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try {
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g.unlink_key_if_exists(name);
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H5::DataSet ds = g.create_dataset( name, data_type_file<S>(), H5::DataSpace() );
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ds.write( (void *)(&A), data_type_memory<S>(), H5::DataSpace() );
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}
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TRIQS_ARRAYS_H5_CATCH_EXCEPTION;
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}
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template <typename S>
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typename std::enable_if<std::is_arithmetic<S>::value>::type
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h5_read (group g, std::string const & name, S & A) {
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try {
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H5::DataSet ds = g.open_dataset(name);
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H5::DataSpace dataspace = ds.getSpace();
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int rank = dataspace.getSimpleExtentNdims();
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if (rank != 0) TRIQS_RUNTIME_ERROR << "triqs::array::h5::read. Rank mismatch : expecting a scalar (rank =0)"
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<<" while the array stored in the hdf5 file has rank = "<<rank;
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ds.read( (void *)(&A), data_type_memory<S>(), H5::DataSpace() , H5::DataSpace() );
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}
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TRIQS_ARRAYS_H5_CATCH_EXCEPTION;
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}
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// the complex number is missing here...
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}}
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#endif
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