purify::IndexMapping< STORAGE_INDEX_TYPE > Class Template Reference

#include <IndexMapping.h>

Public Member Functions
	IndexMapping (const std::vector< STORAGE_INDEX_TYPE > &indices, const STORAGE_INDEX_TYPE N, const STORAGE_INDEX_TYPE start=0)
template<class ITER >
	IndexMapping (const ITER &first, const ITER &end, const STORAGE_INDEX_TYPE N, const STORAGE_INDEX_TYPE start=0)
	IndexMapping (const std::set< STORAGE_INDEX_TYPE > &indices, const STORAGE_INDEX_TYPE N, const STORAGE_INDEX_TYPE start=0)
template<class T0 , class T1 >
void	operator() (Eigen::MatrixBase< T0 > const &input, Eigen::MatrixBase< T1 > const &output) const
	Creates a vector of elements equal to re-indexed inpu. More...
template<class T0 , class T1 >
void	adjoint (Eigen::MatrixBase< T0 > const &input, Eigen::MatrixBase< T1 > const &output) const
	Vector of size N where non-zero elements are chosen from input at given indices. More...
t_int	rows () const
STORAGE_INDEX_TYPE	cols () const

Detailed Description

template<class STORAGE_INDEX_TYPE = t_int>
class purify::IndexMapping< STORAGE_INDEX_TYPE >

Definition at line 11 of file IndexMapping.h.

Constructor & Destructor Documentation

IndexMapping() [1/3]

template<class STORAGE_INDEX_TYPE = t_int>

purify::IndexMapping< STORAGE_INDEX_TYPE >::IndexMapping ( const std::vector< STORAGE_INDEX_TYPE > &  indices, const STORAGE_INDEX_TYPE  N, const STORAGE_INDEX_TYPE  start = 0  )

inline

Definition at line 13 of file IndexMapping.h.

      : indices(indices), N(N), start(start){};

IndexMapping() [2/3]

template<class STORAGE_INDEX_TYPE = t_int>

template<class ITER >

purify::IndexMapping< STORAGE_INDEX_TYPE >::IndexMapping ( const ITER &  first, const ITER &  end, const STORAGE_INDEX_TYPE  N, const STORAGE_INDEX_TYPE  start = 0  )

inline

Definition at line 17 of file IndexMapping.h.

      : IndexMapping(std::vector<STORAGE_INDEX_TYPE>(first, end), N, start) {}

IndexMapping() [3/3]

template<class STORAGE_INDEX_TYPE = t_int>

purify::IndexMapping< STORAGE_INDEX_TYPE >::IndexMapping ( const std::set< STORAGE_INDEX_TYPE > &  indices, const STORAGE_INDEX_TYPE  N, const STORAGE_INDEX_TYPE  start = 0  )

inline

Definition at line 20 of file IndexMapping.h.

      : IndexMapping(indices.begin(), indices.end(), N, start) {}

Member Function Documentation

adjoint()

template<class STORAGE_INDEX_TYPE = t_int>

template<class T0 , class T1 >

void purify::IndexMapping< STORAGE_INDEX_TYPE >::adjoint ( Eigen::MatrixBase< T0 > const &  input, Eigen::MatrixBase< T1 > const &  output  ) const

inline

Vector of size N where non-zero elements are chosen from input at given indices.

Definition at line 39 of file IndexMapping.h.

                                                                                          {
    assert(static_cast<size_t>(input.size()) == indices.size());
    auto &derived = output.const_cast_derived();
    derived = T1::Zero(N, 1);
    typename T0::Index i(0);
    for (STORAGE_INDEX_TYPE const &index : indices) {
      assert(index >= start and index < (N + start));
      derived(index - start) += input(i++);
    }
  }

cols()

template<class STORAGE_INDEX_TYPE = t_int>

STORAGE_INDEX_TYPE purify::IndexMapping< STORAGE_INDEX_TYPE >::cols ( ) const

inline

Definition at line 51 of file IndexMapping.h.

{ return N; }

operator()()

template<class STORAGE_INDEX_TYPE = t_int>

template<class T0 , class T1 >

void purify::IndexMapping< STORAGE_INDEX_TYPE >::operator() ( Eigen::MatrixBase< T0 > const &  input, Eigen::MatrixBase< T1 > const &  output  ) const

inline

Creates a vector of elements equal to re-indexed inpu.

Definition at line 26 of file IndexMapping.h.

                                                                                             {
    auto &derived = output.const_cast_derived();
    derived.resize(indices.size());
    typename T0::Index i(0);
    for (auto const &index : indices) {
      assert(index >= start and index < (N + start));
      assert(derived.size() > i);
      derived(i++) = input(index - start);
    }
  }

rows()

template<class STORAGE_INDEX_TYPE = t_int>

t_int purify::IndexMapping< STORAGE_INDEX_TYPE >::rows ( ) const

inline

Definition at line 50 of file IndexMapping.h.

{ return indices.size(); }

---

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

• /home/runner/work/purify/purify/cpp/purify/IndexMapping.h