Specialization for a measured constant declaring its absolute standard uncertainty

Synopsis

Declared in <mp‐units/framework/unit_definitions.h>

template<
    symbol_text Symbol,
    Unit auto U,
    typename SUU,
    standard_uncertainty<SUU> SU>
requires (!Symbol.empty()) && detail::is_positive_canonical_unit_mag<SUU{}> && detail::ConvertibleUnits<SUU{}, U>
struct named_constant<Symbol, U, SU>
    : ::_base_type_

Description

The same as the above but stores the standard uncertainty in the form the source metrology table publishes it: an absolute value in a unit of the constant's own dimension. The relative form derives on demand as an exact ratio of canonical magnitudes.

Base Classes

Name

Description

::_base_type_

Type Aliases

Name

_base_type_

Static Data Members

Name

Description

_standard_uncertainty_

_symbol_

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

SU

the standard uncertainty of the measured value

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