[#BloombergLP-bdlb-Float-isFinite-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Float.adoc[Float]::isFinite
:relfileprefix: ../../../
:mrdocs:

Return `true` if `number` is finite.

== Synopsis

Declared in `<bdlb_float.h>`

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

== Description

A finite value is normal, subnormal, or zero; the result is `false` if `number` is infinite or NaN. This function is equivalent to the `isfinite` macro in C99.

== Return Value

`true` if `number` is finite, and `false` otherwise

== Parameters

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


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