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

Fine&hyphen;grained classifications for floating&hyphen;point numbers that distinguish positive numbers from negative numbers and quiet NaNs from signaling NaNs&period; Every floating&hyphen;point number belongs to exactly one of these classifications&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;float&period;h&gt;`

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

== Members

[cols="1,4"]
|===
| Name| Description
| `k&lowbar;NEGATIVE` 
| Bit flag indicating a negative floating&hyphen;point value&period;
| `k&lowbar;SIGNALING` 
| Bit flag indicating a signaling NaN&period;
| `k&lowbar;POSITIVE&lowbar;INFINITY` 
| Bit flag indicating a signaling NaN&period;
| `k&lowbar;NEGATIVE&lowbar;INFINITY` 
| Negative infinity classification&period;
| `k&lowbar;QNAN` 
| Quiet NaN classification&period;
| `k&lowbar;SNAN` 
| Quiet NaN classification&period;
| `k&lowbar;POSITIVE&lowbar;NORMAL` 
| Quiet NaN classification&period;
| `k&lowbar;NEGATIVE&lowbar;NORMAL` 
| Quiet NaN classification&period;
| `k&lowbar;POSITIVE&lowbar;SUBNORMAL` 
| Quiet NaN classification&period;
| `k&lowbar;NEGATIVE&lowbar;SUBNORMAL` 
| Quiet NaN classification&period;
| `k&lowbar;POSITIVE&lowbar;ZERO` 
| Quiet NaN classification&period;
| `k&lowbar;NEGATIVE&lowbar;ZERO` 
| Quiet NaN classification&period;
| `BDES&lowbar;NEGATIVE` 
| Deprecated alias for `k&lowbar;NEGATIVE`&period;
| `BDES&lowbar;SIGNALING` 
| Deprecated alias for `k&lowbar;SIGNALING`&period;
| `BDES&lowbar;POSITIVE&lowbar;INFINITY` 
| Deprecated alias for `k&lowbar;POSITIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;NEGATIVE&lowbar;INFINITY` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;QNAN` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;SNAN` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;POSITIVE&lowbar;NORMAL` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;NEGATIVE&lowbar;NORMAL` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;POSITIVE&lowbar;SUBNORMAL` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;NEGATIVE&lowbar;SUBNORMAL` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;POSITIVE&lowbar;ZERO` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
| `BDES&lowbar;NEGATIVE&lowbar;ZERO` 
| Deprecated alias for `k&lowbar;NEGATIVE&lowbar;INFINITY`&period;
|===



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