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44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
#ifndef READ_OBJECT_DATA_H
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#define READ_OBJECT_DATA_H
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/*!
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* \file
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* Declaration of the read_object_data function
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*/
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/*!
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* \brief Data preparator functions
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*/
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namespace data_prep {
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/*!
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* \brief Statistics collection
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*/
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struct read_stat final {
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double seconds; //!< read access time in seconds
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unsigned long nbytes; //!< number of bytes transferred
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};
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/*!
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* \brief Read object data
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*
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* The function will either create the bad indices vector or return with exception and error message.
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*
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* \param nprocs Number of read processes
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* \param prec Single or Double precision
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* \param dims Object size (nrows, ncols)
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* \param object_path Path to object within HDF5 file
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* \param file_paths Paths to HDF5 files, each containing a diffraction pattern at object_path
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* \param bad_file_idx Indices of nonreadable files array, to be created if not NULL
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* \param r_stat Fill with info if not null
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* \return MATLAB array with object data
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*/
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mxArray* read_object_data(int nprocs, precision::type prec, std::array<int64_t, 2> &dims,
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const std::string &object_path, const std::vector<std::string> &file_paths,
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mxArray **bad_file_idx,
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read_stat *r_stat = nullptr);
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} // namespace data_prep
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#endif
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