[#mp_units-pow-05]
= xref:mp_units.adoc[mp&lowbar;units]::pow
:relfileprefix: ../
:mrdocs:

Computes the value of a quantity raised to the `Num&sol;Den` power

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;math&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    intmax&lowbar;t Num,
    intmax&lowbar;t Den = 1,
    auto R,
    typename Rep&gt;
requires (Den !&equals; 0) &amp;&amp; requires(Rep v) &lcub;
    representation&lowbar;values&lt;Rep&gt;&colon;&colon;one()&semi;
    requires requires &lcub; pow(v, 1&period;0)&semi; &rcub; &verbar;&verbar; requires &lcub; std&colon;&colon;pow(v, 1&period;0)&semi; &rcub;&semi;
  &rcub;
&lsqb;&lsqb;nodiscard&rsqb;&rsqb;
constexpr
xref:mp_units/quantity-01.adoc[quantity&lt;pow&lt;Num, Den&gt;(R), Rep&gt;]
pow(xref:mp_units/quantity-01.adoc[quantity&lt;R, Rep&gt;] const& q) noexcept;
----

== Description

Both the quantity value and its quantity specification are the base of the operation&period;

== Return Value

Quantity The result of computation

== Template Parameters

[cols=2]
|===
| Name
| Description
| *Num*
| Exponent numerator
| *Den*
| Exponent denominator
|===

== Parameters

[cols=2]
|===
| Name
| Description
| *q*
| Quantity being the base of the operation
|===


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