[#BloombergLP-bdlb-BitUtil-roundUp-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitUtil.adoc[BitUtil]::roundUp
:relfileprefix: ../../../
:mrdocs:

Return the least multiple of the specified `boundary` that is greater than or equal to the specified `value`, and 0 if `0 == value` or the conversion was not successful. The behavior is undefined unless `1 == numBitsSet(boundary)`. Note that the conversion will succeed if and only if `0 == value % boundary` or `(1 << sizeInBits(value)) > (value / boundary + 1) * boundary`.

== Synopsis

Declared in `<bdlb_bitutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
unsigned int
roundUp(
    unsigned int value,
    unsigned int boundary);
----


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