21    const char *cursor = att.data();
 
   25    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   28    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   31    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   34    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   37    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   40    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   43    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
   46    if ( !(cursor = strchr(cursor+1, 
' ')) ) 
return false;
 
 
   53    std::array<char, 255> buf;
 
   55    snprintf(buf.data(), buf.size(), 
"%i %i %.8e %.8e %.8e %.8e %.8e %i %i",
 
 
   71void GenPdfInfo::set(
const int& parton_id1, 
const int& parton_id2, 
const double& x1, 
const double& x2,
 
   72                     const double& scale_in, 
const double& xf1, 
const double& xf2,
 
   73                     const int& pdf_id1, 
const int& pdf_id2) {
 
 
   86    return ( memcmp( (
void*)
this, (
void*)&a, 
sizeof(
class GenPdfInfo) ) == 0 );
 
 
   90    return !( a == *this );
 
 
   97    if ( 
x[0]         != 0 ) { 
return true; }
 
   98    if ( 
x[1]         != 0 ) { 
return true; }
 
   99    if ( 
scale        != 0 ) { 
return true; }
 
  100    if ( 
xf[0]        != 0 ) { 
return true; }
 
  101    if ( 
xf[1]        != 0 ) { 
return true; }
 
  102    if ( 
pdf_id[0]    != 0 ) { 
return true; }
 
  103    if ( 
pdf_id[1]    != 0 ) { 
return true; }
 
 
Definition of event attribute class GenPdfInfo.
Stores additional information about PDFs.
int parton_id[2]
Parton PDG ID.
double scale
Factorisation scale (in GEV)
void set(const int &parton_id1, const int &parton_id2, const double &x1, const double &x2, const double &scale_in, const double &xf1, const double &xf2, const int &pdf_id1=0, const int &pdf_id2=0)
Set all fields.
int pdf_id[2]
LHAPDF ID code.
bool is_valid() const
Verify that the instance contains non-zero information.
bool from_string(const std::string &att) override
Implementation of Attribute::from_string.
double x[2]
Parton momentum fraction.
bool operator==(const GenPdfInfo &) const
Operator ==.
bool to_string(std::string &att) const override
Implementation of Attribute::to_string.
bool operator!=(const GenPdfInfo &) const
Operator !=.