[#mp_units-isfinite-0d]
= xref:mp_units.adoc[mp_units]::isfinite
:relfileprefix: ../
:mrdocs:

Determines if a quantity is finite.

== Synopsis

Declared in `<mp‐units/math.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    auto R,
    typename Rep>
requires requires(Rep v) { isfinite(v); } || requires(Rep v) { std::isfinite(v); }
[[nodiscard]]
constexpr
bool
isfinite(xref:mp_units/quantity-01.adoc[quantity<R, Rep>] const& a) noexcept;
----

== Return Value

bool: Whether the quantity is finite or not.

== Parameters

[cols=2]
|===
| Name
| Description
| *a:*
| Quantity to analyze.
| *a*
| A quantity
|===


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