NmFunc.h

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#pragma once
 
//
// (C) Copyright 2005-2024 by Graebert GmbH.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
// that both that copyright notice and the limited warranty and
// restricted rights notice below appear in all supporting
// documentation.
//
// GRAEBERT PROVIDES THIS PROGRAM "AS IS" AND WITH ALL FAULTS.
// GRAEBERT SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF
// MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE.  GRAEBERT GMBH
// DOES NOT WARRANT THAT THE OPERATION OF THE PROGRAM WILL BE
// UNINTERRUPTED OR ERROR FREE.
 
struct AcGeGaussData;
 
class ARX_API NmFunc
{
public:
          NmFunc( NmFunc const &);
          NmFunc(void *,double (__cdecl*)(void *,double));
          NmFunc(void *,double (__cdecl*)(void *,double),double,double);
          NmFunc(void);
          ~NmFunc(void);
          NmFunc &  operator=( NmFunc const &);
          NmFunc &  setBracket(double,double);
          NmFunc &  setComputer(double (__cdecl*)(void *,double));
          NmFunc &  setHandle(void *);
         double  compute(double)const ;
         double  operator()(double)const ;
         int  minimum(double &,double &,double)const ;
         int  quadra(double,double,double &,double,double &,double &)const ;
         int  romberg(double,double,double,double &)const ;
         int  simpson(double &,double)const ;
         int  simpson(double,double,double &,double)const ;
         int  simpson(double,double,double &,int,double)const ;
         virtual int  minimum(double &,double &,double &,double &,double)const ;
         virtual int  root(double &,double)const ;
         virtual int  root(double &,double,double,double)const ;
         void *  handle(void)const ;
         void  bracket(double &,double &)const ;
         void  simpsonAdapt(double,double,double,int,double &,int,double)const ;
 
protected:
         virtual int  minInBracket(double &,double &,double &,double &,double)const ;
 
private:
         double  gauss(double,double,double,double, AcGeGaussData &)const ;
         double  trapezoid(double,double,double &,int)const ;
 
};