[#BloombergLP-bdldfp-DecimalConvertUtil-decimal64FromMultiWidthEncodingRaw]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdldfp.adoc[bdldfp]::xref:BloombergLP/bdldfp/DecimalConvertUtil.adoc[DecimalConvertUtil]::decimal64FromMultiWidthEncodingRaw
:relfileprefix: ../../../
:mrdocs:

Decode a multi‐width value of at most 5 bytes from `buffer`.

== Synopsis

Declared in `<bdldfp_decimalconvertutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdldfp/Decimal64.adoc[Decimal64]
decimal64FromMultiWidthEncodingRaw(
    unsigned char const* buffer,
    xref:BloombergLP/bsls/Types/size_type.adoc[bsls::Types::size_type] size);
----

== Description

The behavior is undefined unless `buffer` has at least `size` bytes, `size` is a valid encoding size in the `multi‐width encoding` format, and `size <= 5`. Note that this function does not support decoding values requiring a full IEEE network encoding, which is supported by the `decimal64FromMultiWidthEncoding` function.

== Return Value

decoded `Decimal64` value

== Parameters

[cols="1,4"]
|===
| Name| Description
| *buffer*
| buffer containing a multi‐width encoding
| *size*
| number of encoded bytes to read
|===


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