[#mp_units-dimension_one-063]
= xref:mp_units.adoc[mp_units]::dimension_one
:relfileprefix: ../
:mrdocs:

Dimension one

== Synopsis

Declared in `<mp‐units/framework/dimension.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct dimension_one final
----

== Description

Dimension for which all the exponents of the factors corresponding to the base dimensions are zero. It is a dimension of a quantity of dimension one also known as "dimensionless".

== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:mp_units/cbrt-0f.adoc[`cbrt`]
| 
| xref:mp_units/operator_star-022c4.adoc[`operator*`]
| `scaled_unit` specializations have priority in this operation. This means that the library framework prevents passing it as an element to the `derived_unit`. In such case only the reference unit is passed to the derived unit and the magnitude remains outside forming another scaled unit as a result of the operation.
| xref:mp_units/operator_slash-09.adoc[`operator/`]
| `scaled_unit` specializations have priority in this operation. This means that the library framework prevents passing it as an element to the `derived_unit`. In such case only the reference unit is passed to the derived unit and the magnitude remains outside forming another scaled unit as a result of the operation.
| xref:mp_units/operator_eq-0e.adoc[`operator==`]
| Equality operator
| xref:mp_units/pow-009.adoc[`pow`]
| 
| xref:mp_units/pow-01c.adoc[`pow`]
| 
| xref:mp_units/sqrt-05.adoc[`sqrt`]
| 
|===


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