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

Basic classifications for floating‐point numbers. Every floating‐point number belongs to exactly one of these classifications. However, the enumerated values have disjoint bit‐patterns to make it easy to create a "set" of classifications using bit‐wise OR.

== Synopsis

Declared in `<bdlb_float.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
enum Classification;
----

== Members

[cols="1,4"]
|===
| Name| Description
| `k_ZERO` 
| Positive or negative zero classification.
| `k_NORMAL` 
| Full‐precision, non‐zero, normal number classification.
| `k_SUBNORMAL` 
| Subnormal floating‐point classification.
| `k_INFINITE` 
| Infinite floating‐point classification.
| `k_NAN` 
| NaN floating‐point classification.
| `BDES_ZERO` 
| Deprecated alias for `k_ZERO`.
| `BDES_NORMAL` 
| Deprecated alias for `k_ZERO`.
| `BDES_SUBNORMAL` 
| Deprecated alias for `k_ZERO`.
| `BDES_INFINITE` 
| Deprecated alias for `k_ZERO`.
| `BDES_NAN` 
| Deprecated alias for `k_ZERO`.
|===



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