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include
LHAPDF
Extrapolator.h
1
// -*- C++ -*-
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//
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// This file is part of LHAPDF
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// Copyright (C) 2012-2022 The LHAPDF collaboration (see AUTHORS for details)
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//
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#pragma once
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#ifndef LHAPDF_Extrapolator_H
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#define LHAPDF_Extrapolator_H
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#include "LHAPDF/Utils.h"
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namespace
LHAPDF {
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// Forward declaration
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class
GridPDF;
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class
Extrapolator
{
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public
:
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virtual
~Extrapolator
() { }
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void
bind
(
const
GridPDF
*
pdf
) {
_pdf
=
pdf
; }
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void
unbind
() {
_pdf
= 0; }
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bool
hasPDF
() {
return
_pdf
!= 0; }
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const
GridPDF
&
pdf
()
const
{
return
*
_pdf
; }
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double
extrapolateXQ
(
int
id
,
double
x,
double
q)
const
{
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return
extrapolateXQ2
(
id
, x, q*q );
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}
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virtual
double
extrapolateXQ2
(
int
id
,
double
x,
double
q2)
const
= 0;
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private
:
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const
GridPDF
*
_pdf
;
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};
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}
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#endif
LHAPDF::Extrapolator::hasPDF
bool hasPDF()
Identify whether this Extrapolator has an associated PDF.
Definition:
Extrapolator.h:37
LHAPDF::Extrapolator::pdf
const GridPDF & pdf() const
Get the associated GridPDF.
Definition:
Extrapolator.h:40
LHAPDF::GridPDF
A PDF defined via an interpolation grid.
Definition:
GridPDF.h:19
LHAPDF::Extrapolator::unbind
void unbind()
Unbind from GridPDF.
Definition:
Extrapolator.h:34
LHAPDF::Extrapolator::extrapolateXQ
double extrapolateXQ(int id, double x, double q) const
Definition:
Extrapolator.h:54
LHAPDF::Extrapolator::_pdf
const GridPDF * _pdf
Definition:
Extrapolator.h:74
LHAPDF::Extrapolator::bind
void bind(const GridPDF *pdf)
Bind to a GridPDF.
Definition:
Extrapolator.h:31
LHAPDF::Extrapolator::extrapolateXQ2
virtual double extrapolateXQ2(int id, double x, double q2) const =0
LHAPDF::Extrapolator::~Extrapolator
virtual ~Extrapolator()
Destructor to allow inheritance.
Definition:
Extrapolator.h:24
LHAPDF::Extrapolator
The general interface for extrapolating beyond grid boundaries.
Definition:
Extrapolator.h:20
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