Initialization ********************* **template init_attr CCL_API create_init_attr (attr_val_type &&… avs)** Creates an attribute object that may be used to control the init operation. **Returns** an attribute object **void CCL_API init (const init_attr &attr=default_init_attr)** Initializes the library. Optional for invocation. **Parameters** attr – optional init attributes **library_version CCL_API get_library_version ()** Retrieves the library version.