VVIObjF.h

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//
//  VVIObjF.h (v2.0)
//
//  Vavilov density and distribution functions
//
//
// Created by Morris Swartz on 1/14/10.
// Copyright 2010 __TheJohnsHopkinsUniversity__. All rights reserved.
//
// V1.1 - make dzero call both fcns with a switch
// V1.2 - remove inappriate initializers and add methods to return non-zero/normalized region
// V2.0 - restructuring and speed improvements by V. Innocente
//
 
#ifndef VVIObjF_h
#define VVIObjF_h 1

// ***********************************************************************************************************************
// ***********************************************************************************************************************
class VVIObjF {

 public:
  
  VVIObjF(float kappa = 0.01, float beta2 = 1., int mode = 0); 
  
  float fcn(float x) const; 
  void limits(float& xl, float& xu) const; 
  
private:
  
  // Vavilov distribution parameters (inputs and common block /G116C1/)
  
  const int mode_;          
  float t0_;         
  float t1_;         
  float t_;          
  float omega_;
  float x0_;        
  float a_[155];    
  float b_[155];     
};


#endif