mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-27 02:10:55 +08:00
4650caa3a6
Code tweak
Description:
Large data arrays were being created on the stack.
Solution:
Hoisted the data variables out of the function(s) and make into static
variables.
Platforms tested:
FreeBSD 4.3 (hawkwind)
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
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* Copyright (C) 1998 NCSA
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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, October 23, 1998
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*
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* Purpose: This is the second half of a two-part test that makes sure
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* that a file can be read after an application crashes as long
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* as the file was flushed first. This half tries to read the
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* file created by the first half.
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*/
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#include <h5test.h>
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const char *FILENAME[] = {
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"flush",
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NULL
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};
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static double the_data[100][100];
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/*-------------------------------------------------------------------------
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* Function: main
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*
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* Purpose: Part 1 of a two-part H5Fflush() test.
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*
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* Return: Success: 0
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*
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* Failure: 1
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*
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* Programmer: Robb Matzke
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* Friday, October 23, 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 fapl, file, space, dset, groups, grp;
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hsize_t ds_size[2];
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double error;
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hsize_t i, j;
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char name[1024];
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h5_reset();
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fapl = h5_fileaccess();
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TESTING("H5Fflush (part2)");
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/* Open the file */
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h5_fixname(FILENAME[0], fapl, name, sizeof name);
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if ((file=H5Fopen(name, H5F_ACC_RDONLY, fapl))<0) goto error;
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/* Open the dataset */
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if ((dset=H5Dopen(file, "dset"))<0) goto error;
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if ((space=H5Dget_space(dset))<0) goto error;
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if (H5Sget_simple_extent_dims(space, ds_size, NULL)<0) goto error;
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assert(100==ds_size[0] && 100==ds_size[1]);
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/* Read some data */
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if (H5Dread(dset, H5T_NATIVE_DOUBLE, space, space, H5P_DEFAULT,
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the_data)<0) goto error;
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for (i=0; i<ds_size[0]; i++) {
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for (j=0; j<ds_size[1]; j++) {
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/*
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* The extra cast in the following statement is a bug workaround
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* for the Win32 version 5.0 compiler.
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* 1998-11-06 ptl
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*/
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error = fabs(the_data[i][j]-(double)(hssize_t)i/((hssize_t)j+1));
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if (error>0.0001) {
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H5_FAILED();
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printf(" dset[%lu][%lu] = %g\n",
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(unsigned long)i, (unsigned long)j, the_data[i][j]);
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printf(" should be %g\n",
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(double)(hssize_t)i/(hssize_t)(j+1));
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goto error;
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}
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}
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}
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/* Open some groups */
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if ((groups=H5Gopen(file, "some_groups"))<0) goto error;
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for (i=0; i<100; i++) {
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sprintf(name, "grp%02u", (unsigned)i);
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if ((grp=H5Gopen(groups, name))<0) goto error;
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if (H5Gclose(grp)<0) goto error;
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}
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if (H5Gclose(groups)<0) goto error;
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if (H5Dclose(dset)<0) goto error;
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if (H5Fclose(file)<0) goto error;
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PASSED();
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h5_cleanup(FILENAME, fapl);
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return 0;
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error:
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return 1;
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}
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