[#BloombergLP-bdldfp-DecimalImpUtil-uint64ToDecimal64]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalImpUtil.adoc[DecimalImpUtil]::uint64ToDecimal64
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:mrdocs:

Return a `Decimal64` object having the value closest to the specified `value` following the conversion rules as defined by IEEE‐754:

== Synopsis

Declared in `<bdldfp_decimalimputil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/DecimalImpUtil/ValueType64.adoc[DecimalImpUtil::ValueType64]
uint64ToDecimal64(unsigned long long value);
----

== Description

* If `value` is zero then initialize this object to a zero with an unspecified sign and an unspecified exponent. * Otherwise if `value` has a value that is not exactly representable using `std::numeric_limits<Decimal64>::max_digit` decimal digits then return a decimal value initialized to the value of `value` rounded according to the rounding direction. * Otherwise initialize this object to the value of the `value`.

The exponent 0 (quantum 1e‐15) is preferred during conversion unless it would cause unnecessary loss of precision.


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