/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 Copyright (C) 2005 StatPro Italia srl

 This file is part of QuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://quantlib.org/

 QuantLib is free software: you can redistribute it and/or modify it
 under the terms of the QuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 <quantlib-dev@lists.sf.net>. The license is also available online at
 <http://quantlib.org/license.shtml>.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.  See the license for more details.
*/

/*! \file greeks.hpp
    \brief default greek calculations
*/

#ifndef quantlib_greeks_hpp
#define quantlib_greeks_hpp

#include <ql/processes/blackscholesprocess.hpp>

namespace QuantLib {

    //! default theta calculation for Black-Scholes options
    Real blackScholesTheta(
                     const boost::shared_ptr<GeneralizedBlackScholesProcess>&,
                     Real value, Real delta, Real gamma);

    //! default theta-per-day calculation
    Real defaultThetaPerDay(Real theta);

}


#endif
