This class provides an "adapter" from the specified CONVENTION to the bbldc::DateRangeDayCount protocol that can be used for determining values based on dates according to the day‐count CONVENTION.

Synopsis

Declared in <bbldc_basicdaterangedaycountadapter.h>

template<class CONVENTION>
class BasicDateRangeDayCountAdapter
    : public DateRangeDayCount

Base Classes

Name

Description

DateRangeDayCount

This class provides a protocol for determining values based on dates according to derived implementations of specific day‐count conventions. The methods firstDate and lastDate define a date range for which calculations are valid, to reflect the valid range of, say, a calendar required for the computations.

Member Functions

Name

Description

daysDiff [virtual]

Return the (signed) number of days 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.

firstDate [virtual]

Return a reference providing non‐modifiable access to a bdlt::Date with the value 1/1/1. Note that this value is the earliest date in the valid range of the adapted day‐count convention.

lastDate [virtual]

Return a reference providing non‐modifiable access to a bdlt::Date with the value 9999/12/31. Note that this value is the latest date in the valid range of the adapted day‐count convention.

yearsDiff [virtual]

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.

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