ROOT
v6-20
Reference Guide
SqrtUpParameterTransformation.h
Go to the documentation of this file.
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// @(#)root/minuit2:$Id$
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// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005
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/**********************************************************************
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* *
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* Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT *
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* *
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**********************************************************************/
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// Project : LCG
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// Package : Minuit
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// Author : Lorenzo.MONETA@cern.ch
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// Created by: moneta at Thu Apr 8 10:26:22 2004
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#ifndef ROOT_Minuit2_SqrtUpParameterTransformation
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#define ROOT_Minuit2_SqrtUpParameterTransformation
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namespace
ROOT
{
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namespace
Minuit2 {
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class
MnMachinePrecision;
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/**
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* Transformation from external to internal Parameter based on sqrt(1 + x**2)
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*
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* This transformation applies for the case of single side Upper Parameter limits
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*/
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class
SqrtUpParameterTransformation
/* : public ParameterTransformation */
{
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public
:
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// create with user defined precision
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SqrtUpParameterTransformation
() {}
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~SqrtUpParameterTransformation
() {}
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// transformation from internal to external
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double
Int2ext
(
double
Value
,
double
Upper)
const
;
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// transformation from external to internal
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double
Ext2int
(
double
Value
,
double
Upper,
const
MnMachinePrecision
&)
const
;
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// derivative of transformation from internal to external
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double
DInt2Ext
(
double
Value
,
double
Upper)
const
;
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private
:
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};
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}
// namespace Minuit2
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}
// namespace ROOT
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#endif
ROOT::Minuit2::MnMachinePrecision
determines the relative floating point arithmetic precision.
Definition:
MnMachinePrecision.h:27
ROOT::Minuit2::SqrtUpParameterTransformation
Transformation from external to internal Parameter based on sqrt(1 + x**2)
Definition:
SqrtUpParameterTransformation.h:34
ROOT::Minuit2::SqrtUpParameterTransformation::SqrtUpParameterTransformation
SqrtUpParameterTransformation()
Definition:
SqrtUpParameterTransformation.h:39
ROOT::Minuit2::SqrtUpParameterTransformation::DInt2Ext
double DInt2Ext(double Value, double Upper) const
Definition:
SqrtUpParameterTransformation.cxx:43
ROOT::Minuit2::SqrtUpParameterTransformation::Ext2int
double Ext2int(double Value, double Upper, const MnMachinePrecision &) const
Definition:
SqrtUpParameterTransformation.cxx:32
ROOT::Minuit2::SqrtUpParameterTransformation::~SqrtUpParameterTransformation
~SqrtUpParameterTransformation()
Definition:
SqrtUpParameterTransformation.h:41
ROOT::Minuit2::SqrtUpParameterTransformation::Int2ext
double Int2ext(double Value, double Upper) const
Definition:
SqrtUpParameterTransformation.cxx:25
ROOT
VSD Structures.
Definition:
StringConv.hxx:21
xmlio::Value
const char * Value
Definition:
TXMLSetup.cxx:72
math
minuit2
inc
Minuit2
SqrtUpParameterTransformation.h
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