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Add commentary around calling H5Screate_simple with a single element

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This commit is contained in:
Richard Warren 2017-08-28 20:05:52 -04:00
parent f84af6ecc6
commit 22baab211d
1 changed files with 25 additions and 7 deletions
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32
testpar/t_bigio.c
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@ -519,6 +519,7 @@ dataset_big_write(void)
/* Create a large dataset */
dims[0] = bigcount;
dims[1] = mpi_size;
sid = H5Screate_simple (RANK, dims, NULL);
VRFY((sid >= 0), "H5Screate_simple succeeded");
dataset = H5Dcreate2(fid, DATASET1, H5T_NATIVE_LLONG, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
@ -596,6 +597,7 @@ dataset_big_write(void)
/* Create a large dataset */
dims[0] = bigcount;
dims[1] = mpi_size;
sid = H5Screate_simple (RANK, dims, NULL);
VRFY((sid >= 0), "H5Screate_simple succeeded");
dataset = H5Dcreate2(fid, DATASET2, H5T_NATIVE_LLONG, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
@ -673,6 +675,7 @@ dataset_big_write(void)
/* Create a large dataset */
dims[0] = bigcount;
dims[1] = 1;
sid = H5Screate_simple (RANK, dims, NULL);
VRFY((sid >= 0), "H5Screate_simple succeeded");
dataset = H5Dcreate2(fid, DATASET3, H5T_NATIVE_LLONG, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
@ -748,6 +751,7 @@ dataset_big_write(void)
/* Create a large dataset */
dims[0] = bigcount;
dims[1] = mpi_size * 4;
sid = H5Screate_simple (RANK, dims, NULL);
VRFY((sid >= 0), "H5Screate_simple succeeded");
dataset = H5Dcreate2(fid, DATASET4, H5T_NATIVE_LLONG, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
@ -785,6 +789,10 @@ dataset_big_write(void)
}
/* create a memory dataspace */
/* Warning: H5Screate_simple requires an array of hsize_t elements
* even if we only pass only a single value. Attempting anything else
* appears to cause problems with 32 bit compilers.
*/
mem_dataspace = H5Screate_simple (1, dims, NULL);
VRFY((mem_dataspace >= 0), "");
@ -821,6 +829,7 @@ dataset_big_write(void)
/* Create a large dataset */
dims[0] = bigcount/6;
dims[1] = mpi_size * 4;
sid = H5Screate_simple (RANK, dims, NULL);
VRFY((sid >= 0), "H5Screate_simple succeeded");
dataset = H5Dcreate2(fid, DATASET5, H5T_NATIVE_LLONG, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
@ -841,7 +850,7 @@ dataset_big_write(void)
file_dataspace = H5Dget_space (dataset);
VRFY((file_dataspace >= 0), "H5Dget_space succeeded");
dims[1] = 4;
// dims[1] = 4;
/* create a memory dataspace */
mem_dataspace = H5Screate_simple (RANK, dims, NULL);
VRFY((mem_dataspace >= 0), "");
@ -1217,6 +1226,10 @@ dataset_big_read(void)
if(coords) free(coords);
/* create a memory dataspace */
/* Warning: H5Screate_simple requires an array of hsize_t elements
* even if we only pass only a single value. Attempting anything else
* appears to cause problems with 32 bit compilers.
*/
mem_dataspace = H5Screate_simple (1, dims, NULL);
VRFY((mem_dataspace >= 0), "");
@ -1276,7 +1289,6 @@ dataset_big_read(void)
VRFY((file_dataspace >= 0), "H5Dget_space succeeded");
/* create a memory dataspace */
dims[1] = 4;
mem_dataspace = H5Screate_simple (RANK, dims, NULL);
VRFY((mem_dataspace >= 0), "");
@ -1645,7 +1657,6 @@ coll_chunktest(const char* filename,
size_t num_points; /* for point selection */
hsize_t *coords = NULL; /* for point selection */
hsize_t current_dims; /* for point selection */
int i;
/* Create the data space */
@ -1676,6 +1687,10 @@ coll_chunktest(const char* filename,
VRFY((coords != NULL), "coords malloc succeeded");
point_set(start, count, stride, block, num_points, coords, mode);
/* Warning: H5Screate_simple requires an array of hsize_t elements
* even if we only pass only a single value. Attempting anything else
* appears to cause problems with 32 bit compilers.
*/
file_dataspace = H5Screate_simple(2, dims, NULL);
VRFY((file_dataspace >= 0), "file dataspace created succeeded");
@ -1684,8 +1699,8 @@ coll_chunktest(const char* filename,
VRFY((mem_dataspace >= 0), "mem dataspace created succeeded");
}
else {
hsize_t dsdims[1] = {num_points};
current_dims = num_points;
/* Putting the warning about H5Screate_simple (above) into practice... */
hsize_t dsdims[1] = {num_points};
mem_dataspace = H5Screate_simple (1, dsdims, NULL);
VRFY((mem_dataspace >= 0), "mem_dataspace create succeeded");
}
@ -1963,8 +1978,11 @@ coll_chunktest(const char* filename,
VRFY((mem_dataspace >= 0), "");
}
else {
hsize_t dsdims[1] = {num_points};
current_dims = num_points;
/* Warning: H5Screate_simple requires an array of hsize_t elements
* even if we only pass only a single value. Attempting anything else
* appears to cause problems with 32 bit compilers.
*/
hsize_t dsdims[1] = {num_points};
mem_dataspace = H5Screate_simple (1, dsdims, NULL);
VRFY((mem_dataspace >= 0), "mem_dataspace create succeeded");
}