[#mp_units-operator_star-000]
= xref:mp_units.adoc[mp_units]::operator*
:relfileprefix: ../
:mrdocs:

Multiplication operators

== Synopses

Declared in `<mp‐units/framework/reference.h>`

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/safe_int-09.adoc[safe_int</* implementation-defined */, ErrorPolicy>]
xref:mp_units/operator_star-054.adoc[operator*](
    U lhs,
    xref:mp_units/safe_int-09.adoc[safe_int] rhs);
----

[.small]#xref:mp_units/operator_star-054.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
auto
xref:mp_units/operator_star-05f.adoc[operator*](
    U lhs,
    xref:mp_units/safe_int-09.adoc[safe_int] rhs)
requires requires { lhs * static_cast<U>(rhs.value_); };
----

[.small]#xref:mp_units/operator_star-05f.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
consteval
/* implementation-defined */
xref:mp_units/operator_star-02b.adoc[operator*](
    U1 lhs,
    xref:mp_units/reference.adoc[reference] rhs);
----

[.small]#xref:mp_units/operator_star-02b.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
consteval
/* implementation-defined */
xref:mp_units/operator_star-0f.adoc[operator*](
    xref:mp_units/reference.adoc[reference] lhs,
    U2 rhs);
----

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


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
consteval
/* implementation-defined */
xref:mp_units/operator_star-051.adoc[operator*](
    xref:mp_units/reference.adoc[reference] lhs,
    xref:mp_units/reference.adoc[reference<Q2, U2>] rhs);
----

[.small]#xref:mp_units/operator_star-051.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/safe_int-09.adoc[safe_int</* implementation-defined */, ErrorPolicy>]
xref:mp_units/operator_star-013.adoc[operator*](
    xref:mp_units/safe_int-09.adoc[safe_int] lhs,
    U rhs);
----

[.small]#xref:mp_units/operator_star-013.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
auto
xref:mp_units/operator_star-006.adoc[operator*](
    xref:mp_units/safe_int-09.adoc[safe_int] lhs,
    U rhs)
requires requires { static_cast<U>(lhs.value_) * rhs; };
----

[.small]#xref:mp_units/operator_star-006.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/safe_int-09.adoc[safe_int</* implementation-defined */, ErrorPolicy>]
xref:mp_units/operator_star-072.adoc[operator*](
    xref:mp_units/safe_int-09.adoc[safe_int] lhs,
    xref:mp_units/safe_int-09.adoc[safe_int] rhs);
----

[.small]#xref:mp_units/operator_star-072.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/safe_int-09.adoc[safe_int</* implementation-defined */, ErrorPolicy>]
xref:mp_units/operator_star-0ce.adoc[operator*](
    xref:mp_units/safe_int-09.adoc[safe_int] lhs,
    xref:mp_units/constrained.adoc[constrained<U, CP>] rhs);
----

[.small]#xref:mp_units/operator_star-0ce.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/constrained.adoc[constrained<decltype(std::declval<T>() * std::declval<U>()), CP>]
xref:mp_units/operator_star-0c6.adoc[operator*](
    xref:mp_units/safe_int-09.adoc[safe_int] lhs,
    xref:mp_units/constrained.adoc[constrained<U, CP>] const& rhs);
----

[.small]#xref:mp_units/operator_star-0c6.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/safe_int-09.adoc[safe_int</* implementation-defined */, ErrorPolicy>]
xref:mp_units/operator_star-09.adoc[operator*](
    xref:mp_units/constrained.adoc[constrained<U, CP>] lhs,
    xref:mp_units/safe_int-09.adoc[safe_int] rhs);
----

[.small]#xref:mp_units/operator_star-09.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[nodiscard]]
constexpr
xref:mp_units/constrained.adoc[constrained<decltype(std::declval<U>() * std::declval<T>()), CP>]
xref:mp_units/operator_star-05e.adoc[operator*](
    xref:mp_units/constrained.adoc[constrained<U, CP>] const& lhs,
    xref:mp_units/safe_int-09.adoc[safe_int] rhs);
----

[.small]#xref:mp_units/operator_star-05e.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    xref:mp_units/Reference.adoc[Reference] R,
    typename Q>
requires Quantity<std::remove_cvref_t<Q>>
constexpr
auto
xref:mp_units/operator_star-009.adoc[operator*](
    R lhs,
    Q&& q) = delete;
----

[.small]#xref:mp_units/operator_star-009.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    xref:mp_units/Reference.adoc[Reference] R,
    typename Rep>
requires RepresentationOf<std::remove_cvref_t<Rep>, get_quantity_spec(R{})>
constexpr
auto
xref:mp_units/operator_star-08.adoc[operator*](
    R lhs,
    Rep&& rhs) = delete;
----

[.small]#xref:mp_units/operator_star-08.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FwdQ,
    xref:mp_units/Reference.adoc[Reference] R,
    xref:mp_units/Quantity.adoc[Quantity] Q = std::remove_cvref_t<FwdQ>>
[[nodiscard]]
constexpr
xref:mp_units/Quantity.adoc[Quantity] auto
xref:mp_units/operator_star-022.adoc[operator*](
    FwdQ&& q,
    R rhs);
----

[.small]#xref:mp_units/operator_star-022.adoc[_» more..._]#

Multiplication operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FwdRep,
    xref:mp_units/Reference.adoc[Reference] R,
    xref:mp_units/RepresentationOf.adoc[RepresentationOf<get_quantity_spec(R{})>] Rep = std::remove_cvref_t<FwdRep>>
requires (!detail::OffsetUnit<decltype(get_unit(R{}))>)
[[nodiscard]]
constexpr
xref:mp_units/quantity-01.adoc[quantity<R{}, Rep>]
xref:mp_units/operator_star-07a.adoc[operator*](
    FwdRep&& lhs,
    R r);
----

[.small]#xref:mp_units/operator_star-07a.adoc[_» more..._]#


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename FwdRep,
    xref:mp_units/Reference.adoc[Reference] R,
    xref:mp_units/RepresentationOf.adoc[RepresentationOf<get_quantity_spec(R{})>] Rep = std::remove_cvref_t<FwdRep>>
requires detail::OffsetUnit<decltype(get_unit(R{}))>
[[deprecated("2.3.0: References using offset units (e.g., temperatures) should be constructed with the `delta` or `point` helpers")]]
constexpr
auto
xref:mp_units/operator_star-01a.adoc[operator*](
    FwdRep&& lhs,
    R r);
----

[.small]#xref:mp_units/operator_star-01a.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#