BloombergLP::bbldc::DateRangeDayCount::yearsDiff

Return the (signed fractional) number of years between the specified beginDate and endDate. If beginDate <= endDate, then the result is non‐negative. The behavior is undefined unless firstDate() <= beginDate <= lastDate() and firstDate() <= endDate <= lastDate(). 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_daterangedaycount.h>

virtual
double
yearsDiff(
    bdlt::Date const& beginDate,
    bdlt::Date const& endDate) const = 0;

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