[#GCSFilter-Params-2constructor]
= xref:GCSFilter.adoc[GCSFilter]::xref:GCSFilter/Params.adoc[Params]::Params
:relfileprefix: ../../
:mrdocs:

Constructs filter parameters from the SipHash keys and coding parameters.

== Synopsis

Declared in `<blockfilter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Params(
    uint64_t siphash_k0 = 0,
    uint64_t siphash_k1 = 0,
    uint8_t P = 0,
    uint32_t M = 1);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *siphash_k0*
| First 64‐bit half of the SipHash key.
| *siphash_k1*
| Second 64‐bit half of the SipHash key.
| *P*
| Golomb‐Rice coding parameter.
| *M*
| Inverse false positive rate.
|===


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