Return the (signed fractional) number of years between two dates.

Synopsis

Declared in <bbldc_basicisdaactualactual.h>

static
double
yearsDiff(
    bdlt::Date const& beginDate,
    bdlt::Date const& endDate);

Description

Return the (signed fractional) number of years between the specified beginDate and endDate according to the ISDA Actual/Actual day‐count convention. 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.

Return Value

the signed fractional number of years between the dates

Parameters

Name

Description

beginDate

start of the date range

endDate

end of the date range

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