24#ifndef quantlib_variance_gamma_process_hpp
25#define quantlib_variance_gamma_process_hpp
Shared handle to an observable.
1-dimensional stochastic process
const Handle< YieldTermStructure > & dividendYield() const
Real diffusion(Time t, Real x) const override
returns the diffusion part of the equation, i.e.
Real drift(Time t, Real x) const override
returns the drift part of the equation, i.e.
Handle< YieldTermStructure > dividendYield_
Real x0() const override
returns the initial value of the state variable
const Handle< Quote > & s0() const
const Handle< YieldTermStructure > & riskFreeRate() const
Handle< YieldTermStructure > riskFreeRate_
Real Time
continuous quantity with 1-year units
purely virtual base class for market observables
Interest-rate term structure.