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authorBinh-Minh Ribler <bmribler@hdfgroup.org>2017-11-27 18:44:23 (GMT)
committerBinh-Minh Ribler <bmribler@hdfgroup.org>2017-11-27 18:44:23 (GMT)
commitea4f752ace88b0a9931d6f806044d86fc652ecf7 (patch)
tree009e8137e1328e937972c202998c5a035330df68 /test/gen_bounds.c
parenta7ba8af0d145fee16a758ae4150316c7f2a38263 (diff)
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Adding data file generator
Description: Added gen_bounds.c to generate the following files: - bounds_earliest_latest.h5 - bounds_earliest_v18.h5 - bounds_latest_latest.h5 - bounds_v18_latest.h5 - bounds_v18_v18.h5 for testing the version bounds fix in 1.8 and 1.6.
Diffstat (limited to 'test/gen_bounds.c')
-rw-r--r--test/gen_bounds.c626
1 files changed, 626 insertions, 0 deletions
diff --git a/test/gen_bounds.c b/test/gen_bounds.c
new file mode 100644
index 0000000..1de78e8
--- /dev/null
+++ b/test/gen_bounds.c
@@ -0,0 +1,626 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Oct 24, 2017
+ *
+ * Purpose: This program is run to generate HDF5 data files used to test
+ * version bounds.
+ *
+ * Description
+ * ===========
+ * gen_bounds.c will generate the following files:
+ * - bounds_earliest_latest.h5
+ * - bounds_earliest_v18.h5
+ * - bounds_latest_latest.h5
+ * - bounds_v18_latest.h5
+ * - bounds_v18_v18.h5
+ *
+ */
+
+#include "hdf5.h"
+
+/***********************************************************************
+ * gen_earliest_latest() creates file "bounds_earliest_latest.h5"
+ *
+ * File contents:
+ * - Version 0 superblock (default)
+ * - A chunked dataset with layout version 3, "DS_chunked_layout_3". (default)
+ * - A chunked dataset with layout version 4, "DS_chunked_layout_4". (H5Pset_chunk_opts)
+ *
+ ***********************************************************************/
+#define FILENAME_E_L "bounds_earliest_latest.h5"
+
+/* 2-D dataset with fixed dimensions */
+#define RANK 2
+#define DIM1 100
+#define DIM2 200
+#define CHUNK_DIM1 50
+#define CHUNK_DIM2 50
+
+int gen_earliest_latest()
+{
+ hid_t fid = -1; /* File ID */
+ hid_t fapl = -1; /* File access property list ID */
+ hid_t fcpl = -1; /* File creation property list ID */
+ hid_t dcpl = -1; /* Dataset creation property list ID */
+ hid_t space = -1; /* Dataspace ID */
+ hid_t dset = -1; /* Dataset ID */
+ hsize_t dims[RANK] = {DIM1, DIM2};
+ hsize_t chunk_dims[RANK] = {CHUNK_DIM1, CHUNK_DIM2};
+ float buf[DIM1][DIM2]; /* Buffer for writing data */
+ int i, j;
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Set the "use the earliest/latest version of the format" bounds
+ for creating objects in the file */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_EARLIEST, H5F_LIBVER_LATEST) < 0)
+ goto error;
+
+ /* Create file */
+ if((fid = H5Fcreate(FILENAME_E_L, H5F_ACC_TRUNC, fcpl, fapl)) <0)
+ goto error;
+
+ /* Close file property lists */
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Pclose(fcpl) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 3 (default)
+ */
+
+ /* Fill sample data */
+ for (i = 0; i < DIM1; i++)
+ for (j = 0; j < DIM2; j++)
+ buf[i][j] = 100.0F;
+
+ /* Create the dataspace */
+ if((space = H5Screate_simple(RANK, dims, NULL)) < 0)
+ goto error;
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_3", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close property list and dataset, will reuse dataspace */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 4 (H5Pset_chunk_opts)
+ */
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Disable partial chunk filters, triggers layout version 4 */
+ if(H5Pset_chunk_opts(dcpl, H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_4", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close everything */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+ if(H5Sclose(space) < 0)
+ goto error;
+ if(H5Fclose(fid) < 0)
+ goto error;
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Sclose(space);
+ H5Pclose(dcpl);
+ H5Pclose(fcpl);
+ H5Pclose(fapl);
+ H5Fclose(fid);
+ } H5E_END_TRY;
+ return 1;
+}
+
+/***********************************************************************
+ * gen_earliest_v18() creates file "bounds_earliest_v18.h5"
+ *
+ * File contents:
+ * - Version 0 superblock (default)
+ * - A chunked dataset with layout version 3, "DS_chunked_layout_3". (default)
+ *
+ ***********************************************************************/
+#define FILENAME_E_18 "bounds_earliest_v18.h5"
+
+int gen_earliest_v18()
+{
+ hid_t fid = -1; /* File ID */
+ hid_t fapl = -1; /* File access property list ID */
+ hid_t fcpl = -1; /* File creation property list ID */
+ hid_t dcpl = -1; /* Dataset creation property list ID */
+ hid_t space = -1; /* Dataspace ID */
+ hid_t dset = -1; /* Dataset ID */
+ hsize_t dims[RANK] = {DIM1, DIM2};
+ hsize_t chunk_dims[RANK] = {CHUNK_DIM1, CHUNK_DIM2};
+ float buf[DIM1][DIM2]; /* Buffer for writing data */
+ int i, j;
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Set the "use the earliest/v18 version of the format" bounds
+ for creating objects in the file */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_EARLIEST, H5F_LIBVER_V18) < 0)
+ goto error;
+
+ /* Create file */
+ if((fid = H5Fcreate(FILENAME_E_18, H5F_ACC_TRUNC, fcpl, fapl)) <0)
+ goto error;
+
+ /* Close file property lists */
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Pclose(fcpl) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 3 (default)
+ */
+
+ /* Fill sample data */
+ for (i = 0; i < DIM1; i++)
+ for (j = 0; j < DIM2; j++)
+ buf[i][j] = 100.0F;
+
+ /* Create the dataspace */
+ if((space = H5Screate_simple(RANK, dims, NULL)) < 0)
+ goto error;
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_3", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close everything */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+ if(H5Sclose(space) < 0)
+ goto error;
+ if(H5Fclose(fid) < 0)
+ goto error;
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Sclose(space);
+ H5Pclose(dcpl);
+ H5Pclose(fcpl);
+ H5Pclose(fapl);
+ H5Fclose(fid);
+ } H5E_END_TRY;
+ return 1;
+}
+
+/***********************************************************************
+ * gen_latest_latest() creates file "bounds_latest_latest.h5"
+ *
+ * File contents:
+ * - Version 3 superblock (H5Fcreate with H5F_ACC_SWMR_WRITE)
+ * - A chunked dataset with layout version 4, "DS_chunked_layout_4". (H5Pset_chunk_opts)
+ *
+ ***********************************************************************/
+#define FILENAME_L_L "bounds_latest_latest.h5"
+
+int gen_latest_latest()
+{
+ hid_t fid = -1; /* File ID */
+ hid_t fapl = -1; /* File access property list ID */
+ hid_t fcpl = -1; /* File creation property list ID */
+ hid_t dcpl = -1; /* Dataset creation property list ID */
+ hid_t space = -1; /* Dataspace ID */
+ hid_t dset = -1; /* Dataset ID */
+ hsize_t dims[RANK] = {DIM1, DIM2};
+ hsize_t chunk_dims[RANK] = {CHUNK_DIM1, CHUNK_DIM2};
+ float buf[DIM1][DIM2]; /* Buffer for writing data */
+ int i, j;
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Create file with H5F_ACC_SWMR_WRITE, triggers version 3 superblock */
+ if((fid = H5Fcreate(FILENAME_L_L, H5F_ACC_SWMR_WRITE, fcpl, fapl)) <0)
+ goto error;
+
+ /* Close file property lists */
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Pclose(fcpl) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 4 (H5Pset_chunk_opts)
+ */
+
+ /* Fill sample data */
+ for (i = 0; i < DIM1; i++)
+ for (j = 0; j < DIM2; j++)
+ buf[i][j] = 100.0F;
+
+ /* Create the dataspace */
+ if((space = H5Screate_simple(RANK, dims, NULL)) < 0)
+ goto error;
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Disable partial chunk filters, triggers layout version 4 */
+ if(H5Pset_chunk_opts(dcpl, H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_4", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close everything */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+ if(H5Sclose(space) < 0)
+ goto error;
+ if(H5Fclose(fid) < 0)
+ goto error;
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Sclose(space);
+ H5Pclose(dcpl);
+ H5Pclose(fcpl);
+ H5Pclose(fapl);
+ H5Fclose(fid);
+ } H5E_END_TRY;
+ return 1;
+}
+
+/***********************************************************************
+ * gen_v18_latest() creates file "bounds_v18_latest.h5"
+ *
+ * File contents:
+ * - Version 2 superblock (H5Pset_shared_mesg_index)
+ * - A chunked dataset with layout version 3, "DS_chunked_layout_3". (default)
+ *
+ ***********************************************************************/
+#define FILENAME_18_L "bounds_v18_latest.h5"
+
+int gen_v18_latest()
+{
+ hid_t fid = -1; /* File ID */
+ hid_t fapl = -1; /* File access property list ID */
+ hid_t fcpl = -1; /* File creation property list ID */
+ hid_t dcpl = -1; /* Dataset creation property list ID */
+ hid_t space = -1; /* Dataspace ID */
+ hid_t dset = -1; /* Dataset ID */
+ hsize_t dims[RANK] = {DIM1, DIM2};
+ hsize_t chunk_dims[RANK] = {CHUNK_DIM1, CHUNK_DIM2};
+ float buf[DIM1][DIM2]; /* Buffer for writing data */
+ int i, j;
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Set the "use the v18/latest version of the format" bounds
+ for creating objects in the file, also trigger version 2 superblock */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_V18, H5F_LIBVER_LATEST) < 0)
+ goto error;
+
+ /* Create file */
+ if((fid = H5Fcreate(FILENAME_18_L, H5F_ACC_TRUNC, fcpl, fapl)) <0)
+ goto error;
+
+ /* Close file property lists */
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Pclose(fcpl) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 3 (default)
+ */
+
+ /* Fill sample data */
+ for (i = 0; i < DIM1; i++)
+ for (j = 0; j < DIM2; j++)
+ buf[i][j] = 100.0F;
+
+ /* Create the dataspace */
+ if((space = H5Screate_simple(RANK, dims, NULL)) < 0)
+ goto error;
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_3", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close property list and dataset, will reuse dataspace */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+ if(H5Sclose(space) < 0)
+ goto error;
+ if(H5Fclose(fid) < 0)
+ goto error;
+
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Sclose(space);
+ H5Pclose(dcpl);
+ H5Pclose(fcpl);
+ H5Pclose(fapl);
+ H5Fclose(fid);
+ } H5E_END_TRY;
+ return 1;
+}
+
+/***********************************************************************
+ * gen_v18_v18() creates file "bounds_v18_v18.h5"
+ *
+ * File contents:
+ * - Version 2 superblock (H5Pset_libver_bounds(v18, v18)
+ * - A chunked dataset with layout version 3, "DS_chunked_layout_3". (default)
+ * - A chunked dataset with layout version 4, "DS_chunked_layout_4". (H5Pset_chunk_opts)
+ *
+ ***********************************************************************/
+#define FILENAME_18_18 "bounds_v18_v18.h5"
+
+int gen_v18_v18()
+{
+ hid_t fid = -1; /* File ID */
+ hid_t fapl = -1; /* File access property list ID */
+ hid_t fcpl = -1; /* File creation property list ID */
+ hid_t dcpl = -1; /* Dataset creation property list ID */
+ hid_t space = -1; /* Dataspace ID */
+ hid_t dset = -1; /* Dataset ID */
+ hsize_t dims[RANK] = {DIM1, DIM2};
+ hsize_t chunk_dims[RANK] = {CHUNK_DIM1, CHUNK_DIM2};
+ float buf[DIM1][DIM2]; /* Buffer for writing data */
+ int i, j;
+
+ /* Create file creation property list */
+ if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Set the "use the v18 version of the format" bounds
+ for creating objects in the file */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_V18, H5F_LIBVER_V18) < 0)
+ goto error;
+
+ /* Create file */
+ if((fid = H5Fcreate(FILENAME_18_18, H5F_ACC_TRUNC, fcpl, fapl)) <0)
+ goto error;
+
+ /* Close file property lists */
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Pclose(fcpl) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 3 (default)
+ */
+
+ /* Fill sample data */
+ for (i = 0; i < DIM1; i++)
+ for (j = 0; j < DIM2; j++)
+ buf[i][j] = 100.0F;
+
+ /* Create the dataspace */
+ if((space = H5Screate_simple(RANK, dims, NULL)) < 0)
+ goto error;
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_3", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close property list and dataset, will reuse dataspace */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+
+ /* Close the file, then reopen it with the latest version */
+ if(H5Fclose(fid) < 0)
+ goto error;
+
+ /* Create file access property list */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ goto error;
+
+ /* Set the "use the latest version of the format" bounds
+ for creating a layout version 4 object in the file */
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_V18, H5F_LIBVER_LATEST) < 0)
+ goto error;
+
+ if((fid = H5Fopen(FILENAME_18_18, H5F_ACC_RDWR, fapl)) < 0)
+ goto error;
+
+ /*
+ * Add a chunked dataset with layout version 4 (H5Pset_chunk_opts)
+ */
+
+ /* Create the dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ goto error;
+
+ /* Set up for chunked data */
+ if(H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
+ goto error;
+
+ /* Disable partial chunk filters */
+ if(H5Pset_chunk_opts(dcpl, H5D_CHUNK_DONT_FILTER_PARTIAL_CHUNKS) < 0)
+ goto error;
+
+ /* Create and write the dataset */
+ if((dset = H5Dcreate2(fid, "DS_chunked_layout_4", H5T_NATIVE_FLOAT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ goto error;
+ if(H5Dwrite(dset, H5T_NATIVE_FLOAT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0)
+ goto error;
+
+ /* Close everything */
+ if(H5Pclose(dcpl) < 0)
+ goto error;
+ if(H5Pclose(fapl) < 0)
+ goto error;
+ if(H5Dclose(dset) < 0)
+ goto error;
+ if(H5Sclose(space) < 0)
+ goto error;
+ if(H5Fclose(fid) < 0)
+ goto error;
+ return 0;
+
+error:
+ H5E_BEGIN_TRY {
+ H5Dclose(dset);
+ H5Sclose(space);
+ H5Pclose(dcpl);
+ H5Pclose(fcpl);
+ H5Pclose(fapl);
+ H5Fclose(fid);
+ } H5E_END_TRY;
+ return 1;
+}
+
+int main(void)
+{
+ /* Generate file bounds_earliest_latest.h5 */
+ if (gen_earliest_latest() < 0)
+ goto error;
+
+ /* Generate file bounds_earliest_v18.h5 */
+ if (gen_earliest_v18() < 0)
+ goto error;
+
+ /* Generate file bounds_latest_latest.h5 */
+ if (gen_latest_latest() < 0)
+ goto error;
+
+ /* Generate file bounds_v18_latest.h5 */
+ if (gen_v18_latest() < 0)
+ goto error;
+
+ /* Generate file bounds_v18_v18.h5 */
+ if (gen_v18_v18() < 0)
+ goto error;
+
+ return 0;
+
+error:
+ return 1;
+}
+