Changelog:
==========
- Use double for all floating point numbers, not a mix of double and float
- Quiet 64 -Wunused-parameter warnings from clang 13
- usage: add noreturn attribute
- Fix -Wmissing-variable-declarations warning from clang 13
- Fix -Wself-assign warning from clang 13
- Fix -Wshadow warning for Display argument to Error()
- Clear 9 -Wuseless-cast warnings
- Add -help and -version options
- Print which arguments were unknown before giving usage message
- gitlab CI: stop requiring Signed-off-by in commits
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
ffe87d16cd