7 #ifndef LHAPDF_PDFSet_H 8 #define LHAPDF_PDFSet_H 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" 26 PDFUncertainty(
double cent=0,
double eplus=0,
double eminus=0,
double esymm=0,
double scalefactor=1,
27 double eplus_pdf=0,
double eminus_pdf=0,
double esymm_pdf=0,
double e_par=0)
28 :
central(cent), errplus(eplus), errminus(eminus), errsymm(esymm), scale(scalefactor),
29 errplus_pdf(eplus_pdf), errminus_pdf(eminus_pdf), errsymm_pdf(esymm_pdf), err_par(e_par)
32 double central, errplus, errminus, errsymm, scale;
51 PDFSet(
const std::string& setname);
73 return get_entry_as<int>(
"SetIndex", -1);
78 return get_entry_as<int>(
"DataVersion", -1);
97 return get_entry_as<unsigned int>(
"NumMembers");
142 template <
typename PTR>
143 void mkPDFs(std::vector<PTR>& pdfs)
const {
146 std::cout <<
"LHAPDF " <<
version() <<
" loading all " <<
size() <<
" PDFs in set " <<
name() << std::endl;
147 this->
print(std::cout, v);
151 pdfs.reserve(
size());
153 for (
size_t i = 0; i <
size(); ++i) {
155 pdfs.push_back( PTR(
mkPDF(i)) );
166 std::vector<PDF*> rtn;
173 template <
typename PTR>
175 std::vector<PTR> rtn;
195 const std::string&
get_entry(
const std::string& key)
const {
201 const std::string&
get_entry(
const std::string& key,
const std::string& fallback)
const {
237 double cl=100*erf(1/sqrt(2)),
bool alternative=
false)
const;
242 const std::vector<double>& values,
243 double cl=100*erf(1/sqrt(2)),
bool alternative=
false)
const {
253 double correlation(
const std::vector<double>& valuesA,
const std::vector<double>& valuesB)
const;
277 double randomValueFromHessian(
const std::vector<double>& values,
const std::vector<double>& randoms,
bool symmetrise=
true)
const;
284 void _checkPdfType(
const std::vector<string>& pdftypes)
const;
double errplus_pdf
Add extra variables for separate PDF and parameter variation errors with combined sets.
Definition: PDFSet.h:34
std::string version()
Get the LHAPDF library version code (as a string)
Definition: Version.h:33
std::string description() const
Description of the set.
Definition: PDFSet.h:67
PDF is the general interface for access to parton density information.
Definition: PDF.h:26
double central
Variables for the central value, +ve, -ve & symmetrised errors, and a CL scalefactor.
Definition: PDFSet.h:32
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:201
double errorConfLevel() const
Get the confidence level of the Hessian eigenvectors, in percent.
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:190
std::string _setname
Name of this set.
Definition: PDFSet.h:292
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:26
PDF * mkPDF(const std::string &setname, int member)
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 uncertainty(PDFUncertainty &rtn, const std::vector< double > &values, double cl=100 *erf(1/sqrt(2)), bool alternative=false) const
Definition: PDFSet.h:241
virtual bool has_key(const std::string &key) const
Definition: Info.h:89
PDF * mkPDF(int member) const
Definition: PDFSet.h:115
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.
virtual const std::string & get_entry(const std::string &key) const
Definition: Info.h:108
int dataversion() const
Version of this PDF set's data files.
Definition: PDFSet.h:77
PDFSet()
Definition: PDFSet.h:47
std::string to_lower(const std::string &s)
Convert a string to lower-case (not in-place)
Definition: Utils.h:137
const std::string & get_entry(const std::string &key) const
Retrieve a metadata string by key name.
Definition: PDFSet.h:195
Class for PDF set metadata and manipulation.
Definition: PDFSet.h:39
int verbosity()
Definition: Config.h:65
bool has_key_local(const std::string &key) const
Is a value defined for the given key on this specific object?
Definition: Info.h:77
Namespace for all LHAPDF functions and classes.
Definition: AlphaS.h:14
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:95
std::string errorType() const
Get the type of PDF errors in this set (replicas, symmhessian, hessian, custom, etc....
Definition: PDFSet.h:82
void setVerbosity(int v)
Definition: Config.h:72
void print(std::ostream &os=std::cout, int verbosity=1) const
Summary printout.
void _checkPdfType(const std::vector< string > &pdftypes) const
size_t size() const
Number of members in this set.
Definition: PDFSet.h:96
Metadata base class for PDFs, PDF sets, or global configuration.
Definition: Info.h:30
std::vector< PTR > mkPDFs() const
Definition: PDFSet.h:174
Structure for storage of uncertainty info calculated over a PDF error set.
Definition: PDFSet.h:24
int lhapdfID() const
First LHAPDF global index in this PDF set.
Definition: PDFSet.h:72
std::vector< PDF * > mkPDFs() const
Definition: PDFSet.h:165
void mkPDFs(std::vector< PTR > &pdfs) const
Definition: PDFSet.h:143
std::string name() const
PDF set name.
Definition: PDFSet.h:62
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.