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96 lines
2.2 KiB
96 lines
2.2 KiB
/*
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* This file is part of MXE. See LICENSE.md for licensing information.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <hdf5.h>
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#if H5_VERS_MINOR > 6
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#include <hdf5_hl.h>
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#else
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#include <H5TA.h>
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#endif
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/*
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#include <cmath>
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*/
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#include <sstream>
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/*
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#include <iostream>
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*/
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const static unsigned int DATELEN = 128;
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const static unsigned int TIMELEN = 128;
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const static unsigned int UNITLEN = 16;
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int main(int argc, char *argv[])
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{
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(void)argc;
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(void)argv;
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typedef struct rt {
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int channels;
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char date[DATELEN];
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char time[TIMELEN];
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} rt;
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// H5Fis_hdf5("/dev/null");
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/*
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* Create a new file using H5ACC_TRUNC access,
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* default file creation properties, and default file
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* access properties.
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* Then close the file.
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*/
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const int NRECORDS = 1;
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const int NFIELDS = 3;
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char fName[] = "tmp.h5";
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/* Calculate the size and the offsets of our struct members in memory */
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size_t rt_offset[NFIELDS] = { HOFFSET( rt, channels ),
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HOFFSET( rt, date ),
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HOFFSET( rt, time )};
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rt p_data;
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p_data.channels = 1;
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strcpy( p_data.date, "1234-Dec-31");
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strcpy( p_data.time, "12:34:56");
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hid_t file_id = H5Fcreate(fName, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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/* Define field information */
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const char *field_names[NFIELDS] = { "channels", "date", "time" };
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hid_t field_type[NFIELDS];
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/* Initialize the field field_type */
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hid_t string_type1 = H5Tcopy( H5T_C_S1 );
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hid_t string_type2 = H5Tcopy( H5T_C_S1 );
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H5Tset_size( string_type1, strlen(p_data.date));
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H5Tset_size( string_type2, strlen(p_data.time));
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field_type[0] = H5T_NATIVE_INT;
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field_type[1] = string_type1;
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field_type[2] = string_type2;
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std::ostringstream desc;
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desc << "Description of " << fName;
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herr_t status = H5TBmake_table( desc.str().c_str(), file_id, "description", (hsize_t)NFIELDS, (hsize_t)NRECORDS, sizeof(rt),
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field_names, rt_offset, field_type, 10, NULL, 0, &p_data );
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if (status < 0) {
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perror("Exception while writing description in stfio::exportHDF5File");
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H5Fclose(file_id);
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H5close();
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exit(-1);
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}
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H5Fclose(file_id);
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return(0);
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}
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