    /*****************************************************************************
     * Project: RooFit                                                           *
     * Package: RooFitCore                                                       *
     *    File: $Id: RooLinTransBinning.cc,v 1.12 2005/06/16 09:31:28 wverkerke Exp $
     * Authors:                                                                  *
     *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
     *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
     *                                                                           *
     * Copyright (c) 2000-2005, Regents of the University of California          *
     *                          and Stanford University. All rights reserved.    *
     *                                                                           *
     * Redistribution and use in source and binary forms,                        *
     * with or without modification, are permitted according to the terms        *
     * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
     *****************************************************************************/

    // -- CLASS DESCRIPTION [AUX] --
    // RooLinTransBinning is a special binning implementation for RooLinearVar
    // that transforms the binning of the RooLinearVar input variable in the same
    // way that RooLinearVar does

    #include "RooFit.h"

    #include "RooLinTransBinning.h"
    #include "RooLinTransBinning.h"

    ClassImp(RooLinTransBinning)
    ;

     RooLinTransBinning::RooLinTransBinning(const RooAbsBinning& input, Double_t slope, Double_t offset, const char* name) :
      RooAbsBinning(name),
      _array(0)
    {
      // Constructor
      updateInput(input,slope,offset) ;
    }

     RooLinTransBinning::RooLinTransBinning(const RooLinTransBinning& other, const char* name) :
      RooAbsBinning(name),
      _array(0)
    {
      // Copy constructor
      _input = other._input ;
      _slope = other._slope ;
      _offset = other._offset ;
    }

     RooLinTransBinning::~RooLinTransBinning()
    {
      // Destructor
      if (_array) delete[] _array ;
    }

     void RooLinTransBinning::setRange(Double_t /*xlo*/, Double_t /*xhi*/)
    {
      // Change limits
    }

     Double_t* RooLinTransBinning::array() const
    {
      Int_t n = numBoundaries() ;
      // Return array with boundary values
      if (_array) delete[] _array ;
      _array = new Double_t[n] ;

      Double_t* inputArray = _input->array() ;

      Int_t i ;
      if (_slope>0) {
        for (i=0 ; i<n ; i++) {
          _array[i] = trans(inputArray[i]) ;
        }
      } else {
        for (i=0 ; i<n ; i++) {
          _array[i] = trans(inputArray[n-i-1]) ;
        }
      }
      return _array ;

    }

     void RooLinTransBinning::updateInput(const RooAbsBinning& input, Double_t slope, Double_t offset)
    {
      _input = (RooAbsBinning*) &input ;
      _slope = slope ;
      _offset = offset ;
    }