10#include "LHAPDF/Info.h"
11#include "LHAPDF/Factories.h"
12#include "LHAPDF/Version.h"
13#include "LHAPDF/Config.h"
14#include "LHAPDF/Utils.h"
33 PDFUncertainty(
double cent=0,
double eplus=0,
double eminus=0,
double esymm=0,
double scalefactor=1,
34 double eplus_pdf=0,
double eminus_pdf=0,
double esymm_pdf=0,
double e_par=0)
35 :
central(cent), errplus(eplus), errminus(eminus), errsymm(esymm), scale(scalefactor),
36 errplus_pdf(eplus_pdf), errminus_pdf(eminus_pdf), errsymm_pdf(esymm_pdf), err_par(e_par)
39 double central, errplus, errminus, errsymm, scale;
77 return get_entry_as<int>(
"SetIndex", -1);
82 return get_entry_as<int>(
"DataVersion", -1);
101 return get_entry_as<unsigned int>(
"NumMembers");
146 template <
typename PTR>
147 void mkPDFs(std::vector<PTR>& pdfs)
const {
150 std::cout <<
"LHAPDF " <<
version() <<
" loading all " <<
size() <<
" PDFs in set " <<
name() << std::endl;
151 this->
print(std::cout, v);
155 pdfs.reserve(
size());
157 for (
size_t i = 0; i <
size(); ++i) {
159 pdfs.push_back( PTR(
mkPDF(i)) );
170 std::vector<PDF*> rtn;
177 template <
typename PTR>
179 std::vector<PTR> rtn;
199 const std::string&
get_entry(
const std::string& key)
const {
205 const std::string&
get_entry(
const std::string& key,
const std::string& fallback)
const {
249 double cl=100*erf(1/sqrt(2)),
bool alternative=
false)
const;
259 const std::vector<double>& values,
260 double cl=100*erf(1/sqrt(2)),
bool alternative=
false)
const {
272 double correlation(
const std::vector<double>& valuesA,
const std::vector<double>& valuesB)
const;
298 double randomValueFromHessian(
const std::vector<double>& values,
const std::vector<double>& randoms,
bool symmetrise=
true)
const;
Metadata base class for PDFs, PDF sets, or global configuration.
Definition: Info.h:29
virtual const std::string & get_entry(const std::string &key) const
Definition: Info.h:102
const std::string & get_entry_local(const std::string &key) const
Retrieve a metadata string by key name, as defined on this specific object.
Definition: Info.h:89
virtual bool has_key(const std::string &key) const
Definition: Info.h:83
bool has_key_local(const std::string &key) const
Is a value defined for the given key on this specific object?
Definition: Info.h:71
Class for PDF set metadata and manipulation.
Definition: PDFSet.h:48
size_t size() const
Number of members in this set.
Definition: PDFSet.h:100
double errorConfLevel() const
Get the confidence level of the Hessian eigenvectors, in percent.
PDFSet(const std::string &setname)
std::vector< PTR > mkPDFs() const
Definition: PDFSet.h:178
bool has_key(const std::string &key) const
Can this Info object return a value for the given key? (it may be defined non-locally)
Definition: PDFSet.h:194
std::vector< PDF * > mkPDFs() const
Definition: PDFSet.h:169
int dataversion() const
Version of this PDF set's data files.
Definition: PDFSet.h:81
PDFUncertainty uncertainty(const std::vector< double > &values, double cl=100 *erf(1/sqrt(2)), bool alternative=false) const
Calculate central value and error from vector values with appropriate formulae for this set.
void print(std::ostream &os=std::cout, int verbosity=1) const
Summary printout.
double randomValueFromHessian(const std::vector< double > &values, const std::vector< double > &randoms, bool symmetrise=true) const
Generate a random value from Hessian values and Gaussian random numbers.
void _checkPdfType(const std::vector< string > &pdftypes) const
void uncertainty(PDFUncertainty &rtn, const std::vector< double > &values, double cl=100 *erf(1/sqrt(2)), bool alternative=false) const
Calculate PDF uncertainties (as above), with efficient no-copy return to the rtn argument.
Definition: PDFSet.h:258
int lhapdfID() const
First LHAPDF global index in this PDF set.
Definition: PDFSet.h:76
double correlation(const std::vector< double > &valuesA, const std::vector< double > &valuesB) const
Calculate the PDF correlation between valuesA and valuesB using appropriate formulae for this set.
std::string name() const
PDF set name.
Definition: PDFSet.h:66
std::string errorType() const
Get the type of PDF errors in this set (replicas, symmhessian, hessian, custom, etc....
Definition: PDFSet.h:86
PDFSet()
Definition: PDFSet.h:53
const std::string & get_entry(const std::string &key) const
Retrieve a metadata string by key name.
Definition: PDFSet.h:199
PDF * mkPDF(int member) const
Definition: PDFSet.h:119
const std::string & get_entry(const std::string &key, const std::string &fallback) const
Retrieve a metadata string by key name, with a fallback.
Definition: PDFSet.h:205
std::string description() const
Description of the set.
Definition: PDFSet.h:71
std::string _setname
Name of this set.
Definition: PDFSet.h:313
void mkPDFs(std::vector< PTR > &pdfs) const
Definition: PDFSet.h:147
PDF is the general interface for access to parton density information.
Definition: PDF.h:40
PDF * mkPDF(const std::string &setname, int member)
std::string to_lower(const std::string &s)
Convert a string to lower-case (not in-place)
Definition: Utils.h:138
int verbosity()
Definition: Config.h:54
void setVerbosity(int v)
Definition: Config.h:61
Namespace for all LHAPDF functions and classes.
Definition: AlphaS.h:14
std::string version()
Get the LHAPDF library version code (as a string)
Definition: Version.h:33
Structure for storage of uncertainty info calculated over a PDF error set.
Definition: PDFSet.h:31
double central
Variables for the central value, +ve, -ve & symmetrised errors, and a CL scalefactor.
Definition: PDFSet.h:39
PDFUncertainty(double cent=0, double eplus=0, double eminus=0, double esymm=0, double scalefactor=1, double eplus_pdf=0, double eminus_pdf=0, double esymm_pdf=0, double e_par=0)
Constructor.
Definition: PDFSet.h:33
double errplus_pdf
Add extra variables for separate PDF and parameter variation errors with combined sets.
Definition: PDFSet.h:41