Heun.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "ExplicitRK2.h"
 
class Heun : public ExplicitRK2
{
public:
  static InputParameters validParams();
 
  Heun(const InputParameters & parameters);
 
protected:
  virtual Real a() const { return 1.; }
  virtual Real b1() const { return .5; }
  virtual Real b2() const { return .5; }
};