KM3NETDAQ::JRandomTimeslice::random_indices_t Struct Reference

Auxiliary data structure for randomisation of indices. More...

#include <JRandomTimeslice.hh>

Inheritance diagram for KM3NETDAQ::JRandomTimeslice::random_indices_t:

Public Member Functions
	random_indices_t (const size_t N)
	Constructor.
void	random_shuffle (const std::set< size_t > &keep)
	Randomly shuffle values between fixed indices.

Private Member Functions
void	random_shuffle (const int i1, const int i2)
	Randomly shuffle values between given indices.

Detailed Description

Auxiliary data structure for randomisation of indices.

Definition at line 167 of file JRandomTimeslice.hh.

Constructor & Destructor Documentation

random_indices_t()

KM3NETDAQ::JRandomTimeslice::random_indices_t::random_indices_t ( const size_t N )

inline

Constructor.

Parameters

N	number of indices

Definition at line 175 of file JRandomTimeslice.hh.

                                       :
        std::vector<size_t>(N)
      {}

Member Function Documentation

random_shuffle() [1/2]

void KM3NETDAQ::JRandomTimeslice::random_indices_t::random_shuffle ( const std::set< size_t > & keep )

inline

Randomly shuffle values between fixed indices.

Parameters

keep	fixed indices

Definition at line 184 of file JRandomTimeslice.hh.

      {
        for (size_t i = 0; i != this->size(); ++i) {
          (*this)[i] = i;
        }
 
        size_t i1 = 0;
 
        for (const size_t i2 : keep) {
 
          random_shuffle(i1, i2);
            
          i1 = i2 + 1;
        }
          
        random_shuffle(i1, this->size());
      }

random_shuffle() [2/2]

void KM3NETDAQ::JRandomTimeslice::random_indices_t::random_shuffle ( const int i1, const int i2 )

inlineprivate

Randomly shuffle values between given indices.

Parameters

i1	first index (included)
i2	last index (excluded)

Definition at line 209 of file JRandomTimeslice.hh.

      {
        for (int i = i2 - 1; i > i1; --i) {
 
          const int l = i1 + gRandom->Integer(i - i1);
 
          std::swap((*this)[i], (*this)[l]);
        }
      }

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The documentation for this struct was generated from the following file:

• JRandomTimeslice.hh