[#mp_units-pi_c-0b]
= xref:mp_units.adoc[mp_units]::pi_c
:relfileprefix: ../
:mrdocs:

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct pi_c final
    : xref:mp_units/mag_constant.adoc[mag_constant<symbol_text<3UL ‐ 1, 3UL ‐ 1>{u8"\317\200", "pi"}, std::numbers::pi_v<long double>>]
----

== Base Classes

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

| `xref:mp_units/mag_constant.adoc[mag_constant<symbol_text<3UL ‐ 1, 3UL ‐ 1>{u8"\317\200", "pi"}, std::numbers::pi_v<long double>>]`
| 
|===


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