1. move version check to config.load()

2. config.save() now use less space
3. update h5z-sz3 with readme and compact cd_value array

tools/H5Z-SZ3/CMakeLists.txt

@@ -4,27 +4,25 @@
 #set(HDF5_LIBRARIES "/path/to/hdf5-1.12.1/hdf5/lib/libhdf5.so")
 #set(HDF5_INCLUDE_DIRS "/path/to/hdf5-1.12.1/hdf5/include")
 
-find_package(HDF5 REQUIRED)
+find_package(HDF5 COMPONENTS C REQUIRED)
 
 #message("HDF5LIB PATH:" ${HDF5_LIBRARIES})
 #message("HDF5INCLUDE PATH:" ${HDF5_INCLUDE_DIRS})
 
-add_library(
-        hdf5sz3
+add_library(hdf5sz3
         src/H5Z_SZ3.cpp
 )
 
-target_link_libraries(
-        hdf5sz3
-        PUBLIC SZ3 ${HDF5_LIBRARIES}
+target_link_libraries(hdf5sz3
+        PUBLIC SZ3 HDF5::HDF5
 )
-if(${HDF5_IS_PARALLEL})
+if (${HDF5_IS_PARALLEL})
     find_package(MPI REQUIRED)
-    target_link_libraries(hdf5sz3 PUBLIC MPI::MPI_CXX)
-endif()
+    target_link_libraries(hdf5sz3
+            PUBLIC MPI::MPI_CXX)
+endif ()
 
-target_include_directories(
-        hdf5sz3
+target_include_directories(hdf5sz3
         PUBLIC
         ${HDF5_INCLUDE_DIRS}
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
@@ -37,6 +35,6 @@ install(TARGETS hdf5sz3 EXPORT HDF5SZ3
         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
         LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
         RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-        )
+)
 install(DIRECTORY include DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/hdf5_sz3)
 export(TARGETS hdf5sz3 FILE HDF5SZ3.cmake)

tools/H5Z-SZ3/test/sz3ToHDF5.cpp

@@ -7,14 +7,14 @@
  *      See COPYRIGHT in top-level directory.
  */
 
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <cerrno>
+#include <cstdio>
+#include <cstdlib>
 #include <dlfcn.h>
 #include <SZ3/utils/ByteUtil.hpp>
 
 #include "hdf5.h"
-#include "H5Cpp.h"
+// #include "H5Cpp.h"
 #include "H5Z_SZ3.hpp"
 #include "SZ3/utils/FileUtil.hpp"
 #include "SZ3/utils/Config.hpp"