[#BloombergLP-bdlb-Float-isZero-00] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Float.adoc[Float]::isZero :relfileprefix: ../../../ :mrdocs: Return `true` if `number` is positive or negative zero. == Synopses Declared in `<bdlb_float.h>` Return `true` if `number` is positive or negative zero. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- static bool xref:BloombergLP/bdlb/Float/isZero-04.adoc[isZero](double number); ---- [.small]#xref:BloombergLP/bdlb/Float/isZero-04.adoc[_» more..._]# Return `true` if `number` is positive or negative zero. [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- static bool xref:BloombergLP/bdlb/Float/isZero-0b.adoc[isZero](float number); ---- [.small]#xref:BloombergLP/bdlb/Float/isZero-0b.adoc[_» more..._]# == Return Value `true` if `number` is positive or negative zero, and `false` otherwise == Parameters [cols="1,4"] |=== | Name| Description | *number* | floating‐point value to test |=== [.small]#Created with https://www.mrdocs.com[MrDocs]#