[#BloombergLP-bbldc-TerminatedBasicDayCountAdapter-yearsDiff]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bbldc.adoc[bbldc]::xref:BloombergLP/bbldc/TerminatedBasicDayCountAdapter.adoc[TerminatedBasicDayCountAdapter]::yearsDiff
:relfileprefix: ../../../
:mrdocs:

Return the (signed fractional) number of years between the specified `beginDate` and `endDate` as per the `CONVENTION` template policy. If `beginDate <= endDate`, then the result is non‐negative. Note that reversing the order of `beginDate` and `endDate` negates the result; specifically, `|yearsDiff(b, e) + yearsDiff(e, b)| <= 1.0e‐15` for all dates `b` and `e`.

== Synopsis

Declared in `<bbldc_terminatedbasicdaycountadapter.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
double
yearsDiff(
    xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& beginDate,
    xref:BloombergLP/bdlt/Date.adoc[bdlt::Date] const& endDate) const override;
----


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