[#mp_units-isinf-0c]
= xref:mp_units.adoc[mp_units]::isinf
:relfileprefix: ../
:mrdocs:

`isinf` overloads

== Synopses

Declared in `<mp‐units/math.h>`

Determines if a quantity is infinite.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    auto R,
    typename Rep>
requires requires(Rep v) { isinf(v); } || requires(Rep v) { std::isinf(v); }
[[nodiscard]]
constexpr
bool
xref:mp_units/isinf-0f.adoc[isinf](xref:mp_units/quantity-01.adoc[quantity<R, Rep>] const& a) noexcept;
----

[.small]#xref:mp_units/isinf-0f.adoc[_» more..._]#

Determines if a quantity point is infinite.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    auto R,
    auto PO,
    typename Rep>
requires requires(quantity<R, Rep> q) { isinf(q); }
[[nodiscard]]
constexpr
bool
xref:mp_units/isinf-04.adoc[isinf](xref:mp_units/quantity_point-08.adoc[quantity_point<R, PO, Rep>] const& a) noexcept;
----

[.small]#xref:mp_units/isinf-04.adoc[_» more..._]#

== Return Value

* bool: Whether the quantity is infinite or not.
* bool: Whether the quantity point is infinite or not.

== Parameters

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


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