concept dimensionless_quantity - kwikius/pqs GitHub Wiki

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A type with a numeric value, existing in a dimensionless universe.
The c++ inbuilt arithmetic types are models of dimensionless_quantity¹.

type	model of	notes
N	dimensionless_quantity

value	type	notes
n1, n2	N
nres	N	local result
b	bool	local result

concept	notes
scalar< N >

typefunction	result	notes
get_dimension< N >	dimensionless

inline_bool_constant	value	notes
impl::is_dimensionless_quantity_impl< N >	true	states that N meets the requirements below

typestruct	result	notes
impl::get_dimension_impl< N >	dimensionless

function	result	notes
n1 × n2	nres
n1 / n2	nres
n1 + n2	nres
n1 - n2	nres
n1 < n2	b
n1 <= n2	b
n1 != n2	b
n1 == n2	b
n1 >= n2	b
n1 > n2	b

[1] https://en.wikipedia.org/wiki/Dimensionless_quantity