#ifndef XAXISFUNCTOR_H_
#define XAXISFUNCTOR_H_
//
//-----------------------------------------------------------------------
/// @copyright
///            (c) Copyright 2008 by GATS, Inc.,
///     11864 Canon Blvd, Suite 101, Newport News VA 23606
///
///  All Rights Reserved. No part of this software or publication may be
///  reproduced, stored in a retrieval system, or transmitted, in any form
///  or by any means, electronic, mechanical, photocopying, recording, or
///  otherwise without the prior written permission of GATS, Inc.
///
//-----------------------------------------------------------------------
///
/// @file	XAxisFunctor.h
///
/// @author	John Burton	<j.c.burton@gats-inc.com>
///
/// @date  	Fri May  9 13:15:57 2008
///
//-----------------------------------------------------------------------
//
//-----------------------------------------------------------------------
// Include Files:
//-----------------------------------------------------------------------
//


//
//-----------------------------------------------------------------------
// Constants, Defines, Macros and Type Definitions:
//-----------------------------------------------------------------------
//



//
//-----------------------------------------------------------------------
// Global Variables:
//-----------------------------------------------------------------------
//



//
//-----------------------------------------------------------------------
// Class Definition:
//-----------------------------------------------------------------------
//
class XAxisFunctor {

//
//-----------------------------------------------------------------------
// Private Members:
//-----------------------------------------------------------------------
//
private:
  double A0;
  double A1;
  double A2;
  double A3;
  double A4;
  int    order;

//
//-----------------------------------------------------------------------
// Protected Members:
//-----------------------------------------------------------------------
//
protected:


//
//-----------------------------------------------------------------------
// Public Members:
//-----------------------------------------------------------------------
//
public:
  XAxisFunctor(): 
    A0(0.0), A1(0.0), A2(0.0), A3(0.0), A4(0.0), order(-1) { };
  XAxisFunctor(double a0): 
    A0(a0), A1(0.0), A2(0.0), A3(0.0), A4(0.0), order(0) { };
  XAxisFunctor(double a0, double a1): 
    A0(a0), A1(a1), A2(0.0), A3(0.0), A4(0.0), order(1) { };
  XAxisFunctor(double a0, double a1, double a2): 
    A0(a0), A1(a1), A2(a2), A3(0.0), A4(0.0), order(2) { };
  XAxisFunctor(double a0, double a1, double a2, double a3): 
    A0(a0), A1(a1), A2(a2), A3(a3), A4(0.0), order(3) { };
  XAxisFunctor(double a0, double a1, double a2, double a3, double a4): 
    A0(a0), A1(a1), A2(a2), A3(a3), A4(), order(4) { };

  void setA0(double a0) { A0 = a0; };
  void setA1(double a1) { A1 = a1; };
  void setA2(double a2) { A2 = a2; };
  void setA3(double a3) { A3 = a3; };
  void setA4(double a4) { A4 = a4; };

  void set(double a0)
    { A0 = a0; };
  void set(double a0, double a1)
    { A0 = a0; A1 = a1; };
  void set(double a0, double a1, double a2)
    { A0 = a0; A1 = a1; A2 = a2; };
  void set(double a0, double a1, double a2, double a3)
    { A0 = a0; A1 = a1; A2 = a2; A3 = a3; };
  void set(double a0, double a1, double a2, double a3, double a4)
    { A0 = a0; A1 = a1; A2 = a2; A3 = a3; A4 = a4; };

  double getA0(void) { return A0; };
  double getA1(void) { return A1; };
  double getA2(void) { return A2; };
  double getA3(void) { return A3; };
  double getA4(void) { return A4; };


  double result(double x) { return (A0 + x * (A1 + x * (A2 + x * (A3 + x * A4)))); };
  
}; // end class XAxisFunctor
#endif