sparse-sort.cc

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// Copyright (C) 1998-2021 The Octave Project Developers
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#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif
 
#include <cassert>
#include <cstring>
 
#include "oct-sort.cc"
#include "quit.h"
 
#include "sparse-sort.h"
 
// A simple class and instantiation of the octave merge sort class
// to sort sparse data before matrix creation.  This is significantly
// faster than using octave_qsort.
 
bool
octave_sparse_sidxl_comp (octave_sparse_sort_idxl *i,
                          octave_sparse_sort_idxl *j)
{
  octave_idx_type tmp = i->c - j->c;
 
  if (tmp < 0)
    return true;
  else if (tmp > 0)
    return false;
 
  return (i->r < j->r);
}
 
template class octave_sort<octave_sparse_sort_idxl *>;
 
// Need to know the original order of the sorted indexes in
// sparse assignments, and this class does that
bool
octave_idx_vector_comp (octave_idx_vector_sort *i,
                        octave_idx_vector_sort *j)
{
  return (i->i < j->i);
}
 
template class octave_sort<octave_idx_vector_sort *>;