VVIObjF.h

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//
//  VVIObjF.h (v2.0)
//
//  Vavilov density and distribution functions
//
//
// Created by Morris Swartz on 1/14/10.
// 2010 __TheJohnsHopkinsUniversity__.
//
// 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