ExchangeRate Class Reference

exchange rate between two currencies More...

#include <ql/exchangerate.hpp>

Public Types
enum	Type { Direct , Derived }

Public Member Functions
Constructors
	ExchangeRate (Currency source, Currency target, Decimal rate)
Inspectors
const Currency &	source () const
	the source currency.
const Currency &	target () const
	the target currency.
Type	type () const
	the type
Decimal	rate () const
	the exchange rate (when available)

Utility methods
Money	exchange (const Money &amount) const
	apply the exchange rate to a cash amount
static ExchangeRate	chain (const ExchangeRate &r1, const ExchangeRate &r2)
	chain two exchange rates

Detailed Description

exchange rate between two currencies

Tests

application of direct and derived exchange rate is tested against calculations.

Member Enumeration Documentation

Type

enum Type

Enumerator
Direct	given directly by the user
Derived	derived from exchange rates between other currencies

Constructor & Destructor Documentation

ExchangeRate()

ExchangeRate	(	Currency	source,
		Currency	target,
		Decimal	rate )

the rate \( r \) is given with the convention that a unit of the source is worth \( r \) units of the target.