[#BloombergLP-bdlb-Float-isQuietNan-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Float.adoc[Float]::isQuietNan
:relfileprefix: ../../../
:mrdocs:

Return `true` if `number` is a quiet NaN.

== Synopses

Declared in `<bdlb_float.h>`

Return `true` if `number` is a quiet NaN.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
xref:BloombergLP/bdlb/Float/isQuietNan-07.adoc[isQuietNan](double number);
----

[.small]#xref:BloombergLP/bdlb/Float/isQuietNan-07.adoc[_» more..._]#

Return `true` if `number` is a quiet NaN.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
xref:BloombergLP/bdlb/Float/isQuietNan-06.adoc[isQuietNan](float number);
----

[.small]#xref:BloombergLP/bdlb/Float/isQuietNan-06.adoc[_» more..._]#

== Return Value

`true` if `number` is a quiet NaN, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *number*
| floating‐point value to test
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#