[#mp_units-cartesian_vector-08-norm]
= xref:mp_units.adoc[mp&lowbar;units]::xref:mp_units/cartesian_vector-08.adoc[cartesian&lowbar;vector]::norm
:relfileprefix: ../../
:mrdocs:

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;cartesian&lowbar;vector&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;nodiscard&rsqb;&rsqb;
constexpr
auto
norm() const
requires requires(T t) &lcub; requires requires &lcub; hypot(t, t, t)&semi; &rcub; &verbar;&verbar; requires &lcub; std&colon;&colon;hypot(t, t, t)&semi; &rcub;&semi; &rcub;;
----


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