File: Distributions.i

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/*
 Copyright (C) 2000, 2001, 2002 RiskMap 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 ferdinando@ametrano.net
 The license is also available online at http://quantlib.org/html/license.html

 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.
*/

// $Id: Distributions.i,v 1.8 2002/01/16 14:50:51 nando Exp $

#ifndef quantlib_distributions_i
#define quantlib_distributions_i

%include Types.i

%{
using QuantLib::Math::NormalDistribution;
using QuantLib::Math::CumulativeNormalDistribution;
using QuantLib::Math::InvCumulativeNormalDistribution;
%}

class NormalDistribution {
  public:
    NormalDistribution(double average = 0.0, double sigma = 1.0);
    ~NormalDistribution();
    double derivative(double x);
};

%addmethods NormalDistribution {
    double __call__(double x) {
        return (*self)(x);
    }
}

class CumulativeNormalDistribution {
  public:
     CumulativeNormalDistribution(double average = 0.0, double sigma = 1.0);
     ~CumulativeNormalDistribution();
     double derivative(double x);
};

%addmethods CumulativeNormalDistribution {
    double __call__(double x) {
        return (*self)(x);
    }
}

class InvCumulativeNormalDistribution {
  public:
    InvCumulativeNormalDistribution(double average = 0.0,  double sigma = 1.0);
    ~InvCumulativeNormalDistribution();
};

%addmethods InvCumulativeNormalDistribution {
    double __call__(double x) {
        return (*self)(x);
    }
}


#endif