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

A concept matching all rounding policies

== Synopsis

Declared in `&lt;mp&hyphen;units&sol;framework&sol;rounding&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;typename T&gt;
concept RoundingPolicy = contains&lt;T, truncated&lowbar;t, rounded&lowbar;t, rounded&lowbar;down&lowbar;t, rounded&lowbar;up&lowbar;t&gt;();
----

== Description

Satisfied only by the types of `truncated`, `rounded`, `rounded&lowbar;down`, and `rounded&lowbar;up`&period;


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