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

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct pi&lowbar;c final
    : xref:mp_units/mag_constant.adoc[mag&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;, std&colon;&colon;numbers&colon;&colon;pi&lowbar;v&lt;long double&gt;&gt;]
----

== Base Classes

[cols="1,4"]
|===
|Name|Description

| `xref:mp_units/mag_constant.adoc[mag&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;, std&colon;&colon;numbers&colon;&colon;pi&lowbar;v&lt;long double&gt;&gt;]`
| 
|===


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