[#BloombergLP-bdlb-Float-isZero-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Float.adoc[Float]::isZero
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified floating point `number` has a value of positive or negative zero, and `false` otherwise.

== Synopsis

Declared in `<bdlb_float.h>`

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


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