Importing quantities.si instantiate all the definitions of the SI units, prefixes, parsing functions and formatting functions, both at run-time and compile-time, storint their values as a double.
See Source File https://github.com/biozic/quantities
Nicolas Sicard
Copyright 2013-2018, Nicolas Sicard
http://www.bipm.org/en/si/si_brochure/
www.boost.org/LICENSE_1_0.txt, Boost License 1.0
Importing quantities.si instantiate all the definitions of the SI units, prefixes, parsing functions and formatting functions, both at run-time and compile-time, storint their values as a double.