[#operator_star-0c]
= operator*
:mrdocs:

Multiplication operators

== Synopses

Declared in `<arith_uint256.h>`

Scale a fee rate by an integer factor.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CFeeRate.adoc[CFeeRate]
xref:operator_star-0e2.adoc[operator*](
    int a,
    xref:CFeeRate.adoc[CFeeRate] const& f);
----

[.small]#xref:operator_star-0e2.adoc[_» more..._]#

Scale a fee rate by an integer factor.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:CFeeRate.adoc[CFeeRate]
xref:operator_star-0b.adoc[operator*](
    xref:CFeeRate.adoc[CFeeRate] const& f,
    int a);
----

[.small]#xref:operator_star-0b.adoc[_» more..._]#

Returns the product of a big integer and a 32‐bit value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint]
xref:operator_star-01.adoc[operator*](
    xref:base_uint-02.adoc[base_uint] const& a,
    uint32_t b);
----

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

Returns the product of two big integers.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint]
xref:operator_star-03.adoc[operator*](
    xref:base_uint-02.adoc[base_uint] const& a,
    xref:base_uint-02.adoc[base_uint] const& b);
----

[.small]#xref:operator_star-03.adoc[_» more..._]#

Returns the product of a big integer and a 32‐bit value.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint<256>]
xref:operator_star-00.adoc[operator*](
    xref:base_uint-02.adoc[base_uint<256>] const& a,
    uint32_t b);
----

[.small]#xref:operator_star-00.adoc[_» more..._]#

Returns the product of two big integers.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:base_uint-02.adoc[base_uint<256>]
xref:operator_star-0ee.adoc[operator*](
    xref:base_uint-02.adoc[base_uint<256>] const& a,
    xref:base_uint-02.adoc[base_uint<256>] const& b);
----

[.small]#xref:operator_star-0ee.adoc[_» more..._]#

== Return Value

* The scaled fee rate.
* The product of `a` and `b.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| Integer multiplier.
| *f*
| Fee rate to scale.
| *b*
| The 32‐bit multiplier.
|===


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