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

Customization point object computing the magnitude of a representation value

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;framework&sol;representation&lowbar;concepts&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr &sol;&ast; implementation-defined &ast;&sol; magnitude;
----

== Description

Dispatches to a member `magnitude()`&sol;`norm()`&sol;`abs()`, a matching ADL call, `std&colon;&colon;abs`, or the complex `modulus`, depending on which of those the argument type supports&period;


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