[#BloombergLP-bdlb-BitMaskUtil-ge64]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitMaskUtil.adoc[BitMaskUtil]::ge64
:relfileprefix: ../../../
:mrdocs:

Return a mask with all bits at or above `index` set&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;bitmaskutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
uint64&lowbar;t
ge64(int index);
----

== Description

Return the unsigned integral value having all bits at positions greater than or equal to the specified `index` set to 1, and all other bits set to 0&period; The behavior is undefined unless `0 &lt;&equals; index &lt;&equals; &num; of bits in result`&period;

== Return Value

mask with all bits at or above `index` set

== Parameters

[cols="1,4"]
|===
| Name| Description
| *index*
| lowest bit position that is set
|===


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