[#mp_units-pow-00]
= xref:mp_units.adoc[mp_units]::pow
:relfileprefix: ../
:mrdocs:

`pow` overloads

== Synopses

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

Computes the value of a reference raised to the `Num/Den` power


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
consteval
/* implementation-defined */
xref:mp_units/pow-04.adoc[pow](xref:mp_units/reference-0b2.adoc[reference] r);
----

[.small]#xref:mp_units/pow-04.adoc[_» more..._]#

Computes the value of a quantity raised to the `Num/Den` power


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    intmax_t Num,
    intmax_t Den = 1,
    auto R,
    typename Rep>
requires (Den != 0) && requires(Rep v) {
    representation_values<Rep>::one();
    requires requires { pow(v, 1.0); }
#if MP_UNITS_HOSTED
               || requires { std::pow(v, 1.0); }
#endif
               ;
  }
[[nodiscard]]
constexpr
xref:mp_units/quantity-01.adoc[quantity<pow<Num, Den>(R), Rep>]
xref:mp_units/pow-06.adoc[pow](xref:mp_units/quantity-01.adoc[quantity<R, Rep>] const& q) noexcept;
----

[.small]#xref:mp_units/pow-06.adoc[_» more..._]#

== Return Value

* The result of computation
* Quantity The result of computation

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====
== Template Parameters

[cols="1,4"]
|===
| Name| Description
| *Num*
| Exponent numerator
| *Den*
| Exponent denominator
|===

== Parameters

[cols="1,4"]
|===
| Name| Description
| *r*
| Reference being the base of the operation
| *q*
| Quantity being the base of the operation
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#