[#mp_units-mag_pi]
= xref:mp_units.adoc[mp&lowbar;units]::mag&lowbar;pi
: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"]
----
&lsqb;&lsqb;deprecated&rsqb;&rsqb;
inline constexpr xref:mp_units/UnitMagnitude.adoc[UnitMagnitude] auto mag&lowbar;pi = mag&lt;pi&lowbar;c&gt;;
----


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