[#BloombergLP-bslx-MarshallingUtil-putFloat64]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslx.adoc[bslx]::xref:BloombergLP/bslx/MarshallingUtil.adoc[MarshallingUtil]::putFloat64
:relfileprefix: ../../../
:mrdocs:

Store an eight&hyphen;byte IEEE double into the specified `buffer`&period;

== Synopsis

Declared in `&lt;bslx&lowbar;marshallingutil&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
putFloat64(
    char* buffer,
    double value);
----

== Description

Load into the specified `buffer` the eight&hyphen;byte IEEE double&hyphen;precision floating&hyphen;point number (in network byte order) comprised of the most&hyphen;significant eight bytes of the specified `value` (in host byte order)&period; The behavior is undefined unless `buffer` has sufficient capacity&period; Note that for non&hyphen;conforming platforms, this operation may be lossy&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *buffer*
| destination buffer in network byte order
| *value*
| host&hyphen;order eight&hyphen;byte IEEE double to write
|===


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