[#BloombergLP-bdldfp-DecimalImpUtil-logB-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalImpUtil.adoc[DecimalImpUtil]::logB
:relfileprefix: ../../../
:mrdocs:

Return the unbiased exponent of the specified `x`.

== Synopsis

Declared in `<bdldfp_decimalimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType128.adoc[DecimalImpUtil::ValueType128]
logB(xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType128.adoc[ValueType128] x);
----


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