[#BloombergLP-bdldfp-DecimalUtil-quantum-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalUtil.adoc[DecimalUtil]::quantum
:relfileprefix: ../../../
:mrdocs:

Return an integer equal to the exponent field in the specified `value`. Each decimal floating point number is a representation of the ideal form `s * (10 ** e)`, where `s` is significand and `e` is exponent. This function returns that exponent value. The behavior is undefined if `value` is NaN or `value` is infinity.

== Synopsis

Declared in `<bdldfp_decimalutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
quantum(xref:BloombergLP/bdldfp/Decimal32.adoc[Decimal32] value);
----


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