[#BloombergLP-bdlb-Float-isInfinite-0b]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Float.adoc[Float]::isInfinite
:relfileprefix: ../../../
:mrdocs:

Return `true` if `number` is positive or negative infinity.

== Synopsis

Declared in `<bdlb_float.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isInfinite(double number);
----

== Return Value

`true` if `number` is positive or negative infinity, and `false` otherwise

== Parameters

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


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