Fix the warning message regarding "long long unsigned int[0]' [-Warray-bounds]" and the Wstrict-prototypes warning.
CHANGES IN Rbeast 0.9.7
Fix the C23 and clang 16 issue upon the request of Dr. Brian D. Ripley (Jan 20,2023):
feenableexcept not defined for clang16 with -std=gnu2x. No implicit function declarations
are allowed. 'false','true', and 'bool' are keywords in C23.
CHANGES IN Rbeast 0.9.6
Fix the C23 issue upon the request of Dr. Brian D. Ripley (Jan 09,2023)
Also remove the freq arg in favor of period to specify the period of the
the seasonal component (Jan 09,2023)
CHANGES IN Rbeast 0.9.5
Fix multiple bugs and add the citation info, thanks to many users.
Special thanks go to Dr. Zhanmang Liao. (Aug 09,2022)