[#mp_units-pi-0c]
= xref:mp_units.adoc[mp&lowbar;units]::pi
:relfileprefix: ../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct pi final
    : xref:mp_units/named_constant.adoc[named&lowbar;constant&lt;symbol&lowbar;text&lt;3UL &hyphen; 1, 3UL &hyphen; 1&gt;&lcub;u8&quot;&bsol;317&bsol;200&quot;, &quot;pi&quot;&rcub;, mag&lt;pi&lowbar;c&gt; &ast; one&gt;]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:mp_units/named_constant.adoc[named&lowbar;constant&lt;symbol&lowbar;text&lt;3UL &hyphen; 1, 3UL &hyphen; 1&gt;&lcub;u8&quot;&bsol;317&bsol;200&quot;, &quot;pi&quot;&rcub;, mag&lt;pi&lowbar;c&gt; &ast; one&gt;]`
| Named constant definition
|===

== Type Aliases

[cols="1"]
|===
| Name
| xref:mp_units/named_constant/_base_type_.adoc[`&lowbar;base&lowbar;type&lowbar;`] 
|===


== Static Data Members

[cols="1,4"]
|===
| Name| Description
| xref:mp_units/named_constant/_symbol_.adoc[`&lowbar;symbol&lowbar;`] 
| Unique constant identifier
|===



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