mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-27 02:10:55 +08:00
e3a137f39e
Purpose:
Changed to the new generic property list for dataset creation property
list.
Platforms tested:
Arabica, modi4 and Hawkwind
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/*
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* Copyright (C) 1998 Spizella Software
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* All rights reserved.
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*
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* Programmer: Robb Matzke <matzke@llnl.gov>
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* Friday, January 30, 1998
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*
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* Purpose: Tests extendible datasets.
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*/
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#include "h5test.h"
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const char *FILENAME[] = {
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"extend",
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NULL
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};
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#define NX 100 /* USE AN EVEN NUMBER!*/
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#define NY 100 /* USE AN EVEN NUMBER!*/
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/*-------------------------------------------------------------------------
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* Function: main
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*
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* Purpose: Tests extendible datasets
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*
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* Return: Success: exit(0)
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*
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* Failure: exit(non-zero)
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*
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* Programmer: Robb Matzke
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* Friday, January 30, 1998
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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int
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main (void)
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{
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hid_t file, dataset, mem_space, file_space, cparms;
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hid_t fapl;
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int i, j, k, m;
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static int buf1[NY][NX], buf2[NX/2][NY/2];
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static const hsize_t dims[2] = {NX, NY};
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static const hsize_t half_dims[2] = {NX/2, NY/2};
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static const hsize_t chunk_dims[2] = {NX/2, NY/2};
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static hsize_t maxdims[2] = {H5S_UNLIMITED, H5S_UNLIMITED};
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static hsize_t size[2];
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hssize_t offset[2];
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char filename[1024];
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h5_reset();
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fapl = h5_fileaccess();
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TESTING("dataset extend");
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/* Initialize buffer and space */
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for (i=0; i<NX; i++) {
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for (j=0; j<NY; j++) {
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buf1[i][j] = i*NY+j;
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}
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}
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if ((mem_space = H5Screate_simple (2, dims, maxdims))<0) goto error;
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/* Create the file */
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h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
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if ((file = H5Fcreate (filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) {
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goto error;
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}
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/* Create the dataset which is originally NX by NY */
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if((cparms = H5Pcreate(H5P_DATASET_CREATE))<0) goto error;
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if (H5Pset_chunk (cparms, 2, chunk_dims)<0) goto error;
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if ((dataset = H5Dcreate (file, "dataset", H5T_NATIVE_INT, mem_space,
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cparms))<0) goto error;
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if (H5Pclose (cparms)<0) goto error;
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/* Write the data */
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for (i=0; i<5; i++) {
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for (j=0; j<5; j++) {
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/* Extend the dataset */
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offset[0] = i * NX;
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offset[1] = j * NY;
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size[0] = offset[0] + NX;
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size[1] = offset[1] + NY;
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if (H5Dextend (dataset, size)<0) goto error;
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/* Select a hyperslab */
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if ((file_space = H5Dget_space (dataset))<0) goto error;
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if (H5Sselect_hyperslab (file_space, H5S_SELECT_SET, offset,
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NULL, dims, NULL)<0) goto error;
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/* Write to the hyperslab */
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if (H5Dwrite (dataset, H5T_NATIVE_INT, mem_space, file_space,
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H5P_DEFAULT, buf1)<0) goto error;
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if (H5Sclose (file_space)<0) goto error;
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}
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}
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if (H5Sclose (mem_space)<0) goto error;
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/* Read the data */
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if ((mem_space = H5Screate_simple (2, half_dims, NULL))<0) goto error;
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if ((file_space = H5Dget_space (dataset))<0) goto error;
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for (i=0; i<10; i++) {
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for (j=0; j<10; j++) {
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/* Select a hyperslab */
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offset[0] = i * NX/2;
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offset[1] = j * NY/2;
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if (H5Sselect_hyperslab (file_space, H5S_SELECT_SET, offset,
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NULL, half_dims, NULL)<0) goto error;
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/* Read */
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if (H5Dread (dataset, H5T_NATIVE_INT, mem_space, file_space,
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H5P_DEFAULT, buf2)<0) goto error;
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/* Compare */
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for (k=0; k<NX/2; k++) {
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for (m=0; m<NY/2; m++) {
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if (buf2[k][m]!=buf1[(i%2)*NX/2+k][(j%2)*NY/2+m]) {
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H5_FAILED();
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printf(" i=%d, j=%d, k=%d, m=%d\n", i, j, k, m);
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goto error;
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}
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}
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}
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}
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}
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if (H5Dclose (dataset)<0) goto error;
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if (H5Fclose (file)<0) goto error;
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PASSED();
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printf("All extend tests passed.\n");
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h5_cleanup(FILENAME, fapl);
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return 0;
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error:
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printf("*** One or more extend tests failed ***\n");
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return 1;
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}
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