/usr/include/octave-3.8.1/octave/ov-base-scalar.h is in liboctave-dev 3.8.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 1996-2013 John W. Eaton
This file is part of Octave.
Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING. If not, see
<http://www.gnu.org/licenses/>.
*/
#if !defined (octave_ov_base_scalar_h)
#define octave_ov_base_scalar_h 1
#include <cstdlib>
#include <iosfwd>
#include <string>
#include "lo-mappers.h"
#include "lo-utils.h"
#include "oct-alloc.h"
#include "str-vec.h"
#include "MatrixType.h"
#include "ov-base.h"
#include "ov-typeinfo.h"
// Real scalar values.
template <class ST>
class
octave_base_scalar : public octave_base_value
{
public:
octave_base_scalar (void)
: octave_base_value (), scalar () { }
octave_base_scalar (const ST& s)
: octave_base_value (), scalar (s) { }
octave_base_scalar (const octave_base_scalar& s)
: octave_base_value (), scalar (s.scalar) { }
~octave_base_scalar (void) { }
octave_value squeeze (void) const { return scalar; }
octave_value full_value (void) const { return scalar; }
octave_value subsref (const std::string& type,
const std::list<octave_value_list>& idx);
octave_value_list subsref (const std::string& type,
const std::list<octave_value_list>& idx, int)
{ return subsref (type, idx); }
octave_value subsasgn (const std::string& type,
const std::list<octave_value_list>& idx,
const octave_value& rhs);
octave_value_list do_multi_index_op (int, const octave_value_list& idx)
{ return do_index_op (idx); }
bool is_constant (void) const { return true; }
bool is_defined (void) const { return true; }
dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; }
octave_idx_type numel (void) const { return 1; }
int ndims (void) const { return 2; }
octave_idx_type nnz (void) const { return (scalar != ST ()) ? 1 : 0; }
octave_value permute (const Array<int>&, bool = false) const;
octave_value reshape (const dim_vector& new_dims) const;
size_t byte_size (void) const { return sizeof (ST); }
octave_value all (int = 0) const { return (scalar != ST ()); }
octave_value any (int = 0) const { return (scalar != ST ()); }
octave_value diag (octave_idx_type k = 0) const;
octave_value diag (octave_idx_type m, octave_idx_type n) const;
octave_value sort (octave_idx_type, sortmode) const
{ return octave_value (scalar); }
octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type,
sortmode) const
{
sidx.resize (dim_vector (1, 1));
sidx(0) = 0;
return octave_value (scalar);
}
sortmode is_sorted (sortmode mode = UNSORTED) const
{ return mode ? mode : ASCENDING; }
Array<octave_idx_type> sort_rows_idx (sortmode) const
{
return Array<octave_idx_type> (dim_vector (1, 1),
static_cast<octave_idx_type> (0));
}
sortmode is_sorted_rows (sortmode mode = UNSORTED) const
{ return mode ? mode : ASCENDING; }
MatrixType matrix_type (void) const { return MatrixType::Diagonal; }
MatrixType matrix_type (const MatrixType&) const
{ return matrix_type (); }
bool is_scalar_type (void) const { return true; }
bool is_numeric_type (void) const { return true; }
bool is_true (void) const;
void print (std::ostream& os, bool pr_as_read_syntax = false) const;
void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
bool print_name_tag (std::ostream& os, const std::string& name) const;
void short_disp (std::ostream& os) const;
// Unsafe. This function exists to support the MEX interface.
// You should not use it anywhere else.
void *mex_get_data (void) const { return const_cast<ST *> (&scalar); }
const ST& scalar_ref (void) const { return scalar; }
ST& scalar_ref (void) { return scalar; }
bool fast_elem_insert_self (void *where, builtin_type_t btyp) const;
protected:
// The value of this scalar.
ST scalar;
};
#endif
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