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dce0df4607
Description: As requested by Pedro, changed the data set name from "IntArray" to "Array". Platforms tested: fuss and shanti - simple change.
103 lines
3.3 KiB
C
Executable File
103 lines
3.3 KiB
C
Executable File
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Raymond Lu <slu@ncsa.uiuc.edu>
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* Thursday, March 23, 2006
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*
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* This program writes floating-point data to the HDF5 file. It generates
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* the file to be read by cross_read.c, to test reading data from cross-systems.
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* Run it on an OpenVMS, a little-endian, and a big-endian machine. Change the
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* output file names to vms_data.h5, le_data.h5, and be_data.h5, and put them
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* under hdf5/test/ directory.
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*/
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#include "h5test.h"
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#define H5FILE_NAME "data.h5"
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#define DATASETNAME "Array"
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#define NX 5 /* dataset dimensions */
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#define NY 6
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#define RANK 2
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int
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main (void)
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{
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hid_t file, dataset; /* file and dataset handles */
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hid_t datatype, dataspace; /* handles */
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hsize_t dimsf[2]; /* dataset dimensions */
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herr_t status;
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float data[NX][NY]; /* data to write */
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int i, j;
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/*
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* Data and output buffer initialization.
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*/
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for (j = 0; j < NX; j++) {
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for (i = 0; i < NY; i++)
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data[j][i] = i + j;
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}
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/*
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* 0 1 2 3 4 5
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* 1 2 3 4 5 6
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* 2 3 4 5 6 7
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* 3 4 5 6 7 8
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* 4 5 6 7 8 9
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*/
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/*
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* Create a new file using H5F_ACC_TRUNC access,
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* default file creation properties, and default file
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* access properties.
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*/
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file = H5Fcreate(H5FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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/*
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* Describe the size of the array and create the data space for fixed
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* size dataset.
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*/
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dimsf[0] = NX;
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dimsf[1] = NY;
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dataspace = H5Screate_simple(RANK, dimsf, NULL);
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/*
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* Define datatype for the data in the file.
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* We will store little endian INT numbers.
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*/
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datatype = H5Tcopy(H5T_NATIVE_DOUBLE);
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/*
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* Create a new dataset within the file using defined dataspace and
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* datatype and default dataset creation properties.
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*/
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dataset = H5Dcreate(file, DATASETNAME, datatype, dataspace,
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H5P_DEFAULT);
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/*
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* Write the data to the dataset using default transfer properties.
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*/
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status = H5Dwrite(dataset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL,
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H5P_DEFAULT, data);
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/*
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* Close/release resources.
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*/
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H5Sclose(dataspace);
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H5Tclose(datatype);
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H5Dclose(dataset);
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H5Fclose(file);
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return 0;
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}
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