Logo ROOT  
Reference Guide
RooInvTransform.cxx
Go to the documentation of this file.
1/*****************************************************************************
2 * Project: RooFit *
3 * Package: RooFitCore *
4 * @(#)root/roofitcore:$Id$
5 * Authors: *
6 * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7 * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8 * *
9 * Copyright (c) 2000-2005, Regents of the University of California *
10 * and Stanford University. All rights reserved. *
11 * *
12 * Redistribution and use in source and binary forms, *
13 * with or without modification, are permitted according to the terms *
14 * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15 *****************************************************************************/
16
17/**
18\file RooInvTransform.cxx
19\class RooInvTransform
20\ingroup Roofitcore
21
22Lightweight function binding that returns the inverse of an input function binding.
23Apply the change of variables transformation x -> 1/x to the input
24function and its range. The function must be one dimensional and its
25range cannot include zero.
26**/
27
28
29#include "RooInvTransform.h"
30
31#include "Riostream.h"
32#include <math.h>
33
34using namespace std;
35
37;
38
39
40////////////////////////////////////////////////////////////////////////////////
41/// Constructor.
42
44 RooAbsFunc(func.getDimension()), _func(&func)
45{
46}
#define ClassImp(name)
Definition: Rtypes.h:375
Abstract interface for evaluating a real-valued function of one real variable and performing numerica...
Definition: RooAbsFunc.h:27
Lightweight function binding that returns the inverse of an input function binding.
RooInvTransform(const RooAbsFunc &func)
Constructor.