[#BloombergLP-bdldfp-DecimalImpUtil-logB-042]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalImpUtil.adoc[DecimalImpUtil]::logB
:relfileprefix: ../../../
:mrdocs:

Return the radix‐based logarithm of the absolute value of `x`.

== Synopses

Declared in `<bdldfp_decimalimputil.h>`

Return the radix‐based logarithm of the absolute value of `x`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType128.adoc[DecimalImpUtil::ValueType128]
xref:BloombergLP/bdldfp/DecimalImpUtil/logB-0a.adoc[logB](xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType128.adoc[ValueType128] x);
----

[.small]#xref:BloombergLP/bdldfp/DecimalImpUtil/logB-0a.adoc[_» more..._]#

Return the radix‐based logarithm of the absolute value of `x`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType32.adoc[DecimalImpUtil::ValueType32]
xref:BloombergLP/bdldfp/DecimalImpUtil/logB-040.adoc[logB](xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType32.adoc[ValueType32] x);
----

[.small]#xref:BloombergLP/bdldfp/DecimalImpUtil/logB-040.adoc[_» more..._]#

Return the radix‐based logarithm of the absolute value of `x`.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType64.adoc[DecimalImpUtil::ValueType64]
xref:BloombergLP/bdldfp/DecimalImpUtil/logB-07.adoc[logB](xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType64.adoc[ValueType64] x);
----

[.small]#xref:BloombergLP/bdldfp/DecimalImpUtil/logB-07.adoc[_» more..._]#

== Return Value

the radix‐based logarithm of the absolute value of `x`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| input value
|===


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