[#BloombergLP-bdldfp-DecimalImpUtil-decompose-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalImpUtil.adoc[DecimalImpUtil]::decompose
:relfileprefix: ../../../
:mrdocs:

Decompose `value` into sign, significand, and exponent.

== Synopsis

Declared in `<bdldfp_decimalimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
decompose(
    int* sign,
    xref:BloombergLP/bdldfp/Uint128.adoc[Uint128]* significand,
    int* exponent,
    xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType128.adoc[ValueType128] value);
----

== Return Value

the floating‐point classification of `value`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *sign*
| receives +1 or ‐1 for the sign
| *significand*
| receives the significand
| *exponent*
| receives the decimal exponent
| *value*
| decimal value to decompose
|===


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