Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #pragma once
      11             : 
      12             : #include "Distribution.h"
      13             : 
      14             : /**
      15             :  * A class used to generate a normal distribution
      16             :  */
      17           0 : class Normal : public Distribution
      18             : {
      19             : public:
      20             :   static InputParameters validParams();
      21             : 
      22             :   Normal(const InputParameters & parameters);
      23             : 
      24             :   virtual Real pdf(const Real & x) const override;
      25             :   virtual Real cdf(const Real & x) const override;
      26             :   virtual Real quantile(const Real & p) const override;
      27             : 
      28             :   static Real pdf(const Real & x, const Real & mean, const Real & std_dev);
      29             :   static Real cdf(const Real & x, const Real & mean, const Real & std_dev);
      30             :   static Real quantile(const Real & p, const Real & mean, const Real & std_dev);
      31             : 
      32             : protected:
      33             :   ///@{
      34             :   /// Coefficients for the rational function used to approximate the quantile
      35             :   static const std::array<Real, 6> _a;
      36             :   static const std::array<Real, 6> _b;
      37             :   ///@}
      38             : 
      39             :   /// The mean (or expectation) of the distribution (mu)
      40             :   const Real & _mean;
      41             : 
      42             :   /// The standard deviation of the distribution (sigma)
      43             :   const Real & _standard_deviation;
      44             : };