[#mp_units-pi-0c]
= xref:mp_units.adoc[mp_units]::pi
:relfileprefix: ../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct pi final
    : xref:mp_units/named_constant.adoc[named_constant<symbol_text<3UL ‐ 1, 3UL ‐ 1>{u8"\317\200", "pi"}, mag<pi_c> * one>]
----

== Base Classes

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

| `xref:mp_units/named_constant.adoc[named_constant<symbol_text<3UL ‐ 1, 3UL ‐ 1>{u8"\317\200", "pi"}, mag<pi_c> * one>]`
| Named constant definition
|===


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