Specialization for a measured constant declaring its relative standard uncertainty
Synopsis
Declared in <mp‐units/framework/unit_definitions.h>
template<
symbol_text Symbol,
Unit auto U,
typename M,
relative_standard_uncertainty<M> RSU>
requires (!Symbol.empty()) && detail::magnitude_is_positive<M{}>
struct named_constant<Symbol, U, RSU>
: ::_base_type_Description
The same as the above but additionally stores the relative standard uncertainty of a constant that is measured rather than exact by definition. The value transcribes the entry published in the source metrology table (e.g., CODATA).
Base Classes
Name |
Description |
|
Type Aliases
Name |
Static Data Members
Name |
Description |
Unique constant identifier |
Template Parameters
Name |
Description |
Symbol |
a short text representation of the constant |
Unit |
a unit that we use to define a constant |
RSU |
the relative standard uncertainty of the measured value |
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