[#DecodeDouble]
= DecodeDouble
:mrdocs:

Decode a double from its IEEE 754 binary64 representation.

== Synopsis

Declared in `<util/serfloat.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
double
DecodeDouble(uint64_t v) noexcept;
----

== Description

Reverse operation of EncodeDouble: DecodeDouble(EncodeDouble(f)) == f unless isnan(f).

== Return Value

The double‐precision value represented by `v.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *v*
| The 64‐bit binary64 encoding to decode.
|===


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