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

Namespace for floating‐point classification types and functions.

== Synopsis

Declared in `<bdlb_float.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct Float;
----

== Enums

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/Float/Classification.adoc[`Classification`] 
| Basic classifications for floating‐point numbers.
| xref:BloombergLP/bdlb/Float/FineClassification.adoc[`FineClassification`] 
| Fine‐grained classifications for floating‐point numbers.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/Float/classify-01.adoc[`classify`] 
| Return the coarse classification of the specified `number`.
| xref:BloombergLP/bdlb/Float/classifyFine-06.adoc[`classifyFine`] 
| Return the fine‐grained classification of the specified `number`.
| xref:BloombergLP/bdlb/Float/isFinite-00.adoc[`isFinite`] 
| Return `true` if `number` is finite.
| xref:BloombergLP/bdlb/Float/isInfinite-0a.adoc[`isInfinite`] 
| Return `true` if `number` is positive or negative infinity.
| xref:BloombergLP/bdlb/Float/isNan-06.adoc[`isNan`] 
| Return `true` if `number` is not a number (NaN).
| xref:BloombergLP/bdlb/Float/isNormal-03.adoc[`isNormal`] 
| Return `true` if `number` holds a normal floating‐point value.
| xref:BloombergLP/bdlb/Float/isQuietNan-08.adoc[`isQuietNan`] 
| Return `true` if `number` is a quiet NaN.
| xref:BloombergLP/bdlb/Float/isSignalingNan-01.adoc[`isSignalingNan`] 
| Return `true` if `number` is a signaling NaN.
| xref:BloombergLP/bdlb/Float/isSubnormal-0d.adoc[`isSubnormal`] 
| Return `true` if `number` holds a subnormal value.
| xref:BloombergLP/bdlb/Float/isZero-00.adoc[`isZero`] 
| Return `true` if `number` is positive or negative zero.
| xref:BloombergLP/bdlb/Float/signBit-0b.adoc[`signBit`] 
| Return `true` if the sign bit of `number` is set.
|===



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