view libinterp/octave-value/ov.h @ 28126:4c21f99b4ad5

handle interleaved complex data and new typed data access functions for mex * mexproto.h, mex.cc, mxarray.h (mxMakeArrayReal, mxMakeArrayComplex, mxGetDoubles, mxGetSingles, mxGetInt8s, mxGetInt16s, mxGetInt32s, mxGetInt64s, mxGetUint8s, mxGetUint16s, mxGetUint32s, mxGetUint64s, mxGetComplexDoubles, mxGetComplexSingles, mxSetDoubles, mxSetSingles, mxSetInt8s, mxSetInt16s, mxSetInt32s, mxSetInt64s, mxSetUint8s, mxSetUint16s, mxSetUint32s, mxSetUint64s, mxSetComplexDoubles, mxSetComplexSingles): New functions. Provide corresponding member functions in mxArray class hierarchy to handle the actual operations. (mxGetComplexInt8s, mxGetComplexInt16s, mxGetComplexInt32s, mxGetComplexInt64s, mxGetComplexUint8s, mxGetComplexUint16s, mxGetComplexUint32s, mxGetComplexUint64s, mxSetComplexInt8s, mxSetComplexInt16s, mxSetComplexInt32s, mxSetComplexInt64s, mxSetComplexUint8s, mxSetComplexUint16s, mxSetComplexUint32s, mxSetComplexUint64s): Add prototypes and functions, but leave commented out since we don't have complex integer data. (class mxArray_number, class mxArray_sparse): Handle interleaved complex data. In mxArray_octave_value and mxArray_matlab constructors, handle interleaved flag in constructor to determine data layout to use when creating mxArray_number or mxArray_sparse objects. (mex::make_value): Check flag in mex function to determine whether to create arrays with interleaved complex. * ov.h, ov.cc, ov-base.h, ov-base.cc, ov-base-diag.h, ov-base-diag.cc, ov-bool-mat.h, ov-bool-mat.cc, ov-bool-sparse.h, ov-bool-sparse.cc, ov-bool.h, ov-bool.cc, ov-cell.h, ov-cell.cc, ov-ch-mat.h, ov-ch-mat.cc, ov-class.h, ov-class.cc, ov-complex.h, ov-complex.cc, ov-cx-mat.h, ov-cx-mat.cc, ov-cx-sparse.h, ov-cx-sparse.cc, ov-float.h, ov-float.cc, ov-flt-complex.h, ov-flt-complex.cc, ov-flt-cx-mat.h, ov-flt-cx-mat.cc, ov-flt-re-mat.h, ov-flt-re-mat.cc, ov-intx.h, ov-lazy-idx.h, ov-perm.h, ov-perm.cc, ov-range.h, ov-range.cc, ov-re-mat.h, ov-re-mat.cc, ov-re-sparse.h, ov-re-sparse.cc, ov-scalar.h, ov-scalar.cc, ov-struct.h, ov-struct.cc: In all as_mxArray methods, handle new interleaved input to optionally create objects that will use interleaved complex data.
author John W. Eaton <jwe@octave.org>
date Tue, 18 Feb 2020 13:16:41 -0500
parents 4963f23b145c
children b743a63e2dab
line wrap: on
line source

////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2020 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// 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
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////

#if ! defined (octave_ov_h)
#define octave_ov_h 1

#include "octave-config.h"

#include <cstdlib>

#include <iosfwd>
#include <string>
#include <list>
#include <map>

#include "Range.h"
#include "data-conv.h"
#include "idx-vector.h"
#include "mach-info.h"
#include "mx-base.h"
#include "oct-sort.h"
#include "oct-time.h"
#include "str-vec.h"

namespace octave
{
  class type_info;
}

class Cell;
class float_format;
class mxArray;
class octave_map;
class octave_scalar_map;
class octave_function;
class octave_user_function;
class octave_fcn_handle;
class octave_fcn_inline;
class octave_value_list;

#include "mxtypes.h"

#include "oct-stream.h"
#include "ov-base.h"

// Forward declarations of friend functions that have default arguments.

OCTINTERP_API octave_value do_colon_op (const octave_value& base,
                                        const octave_value& limit,
                                        bool is_for_cmd_expr = false);

OCTINTERP_API octave_value do_colon_op (const octave_value& base,
                                        const octave_value& increment,
                                        const octave_value& limit,
                                        bool is_for_cmd_expr = false);

class
OCTINTERP_API
octave_value
{
public:

  enum unary_op
  {
    op_not,            // not
    op_uplus,          // uplus
    op_uminus,         // uminus
    op_transpose,      // transpose
    op_hermitian,      // ctranspose
    op_incr,
    op_decr,
    num_unary_ops,
    unknown_unary_op
  };

  enum binary_op
  {
    op_add,            // plus
    op_sub,            // minus
    op_mul,            // mtimes
    op_div,            // mrdivide
    op_pow,            // mpower
    op_ldiv,           // mldivide
    op_lt,             // lt
    op_le,             // le
    op_eq,             // eq
    op_ge,             // ge
    op_gt,             // gt
    op_ne,             // ne
    op_el_mul,         // times
    op_el_div,         // rdivide
    op_el_pow,         // power
    op_el_ldiv,        // ldivide
    op_el_and,         // and
    op_el_or,          // or
    op_struct_ref,
    num_binary_ops,
    unknown_binary_op
  };

  enum compound_binary_op
  {
    // ** compound operations **
    op_trans_mul,
    op_mul_trans,
    op_herm_mul,
    op_mul_herm,
    op_trans_ldiv,
    op_herm_ldiv,
    op_el_not_and,
    op_el_not_or,
    op_el_and_not,
    op_el_or_not,
    num_compound_binary_ops,
    unknown_compound_binary_op
  };

  enum assign_op
  {
    op_asn_eq,
    op_add_eq,
    op_sub_eq,
    op_mul_eq,
    op_div_eq,
    op_ldiv_eq,
    op_pow_eq,
    op_el_mul_eq,
    op_el_div_eq,
    op_el_ldiv_eq,
    op_el_pow_eq,
    op_el_and_eq,
    op_el_or_eq,
    num_assign_ops,
    unknown_assign_op
  };

  static binary_op assign_op_to_binary_op (assign_op);

  static assign_op binary_op_to_assign_op (binary_op);

  static std::string unary_op_as_string (unary_op);
  static std::string unary_op_fcn_name (unary_op);

  static std::string binary_op_as_string (binary_op);
  static std::string binary_op_fcn_name (binary_op);

  static std::string binary_op_fcn_name (compound_binary_op);

  static std::string assign_op_as_string (assign_op);

  static octave_value empty_conv (const std::string& type,
                                  const octave_value& rhs = octave_value ());

  enum magic_colon { magic_colon_t };

  octave_value (void)
    : rep (nil_rep ())
  {
    rep->count++;
  }

  octave_value (short int i);
  octave_value (unsigned short int i);
  octave_value (int i);
  octave_value (unsigned int i);
  octave_value (long int i);
  octave_value (unsigned long int i);

  // FIXME: These are kluges.  They turn into doubles internally, which will
  // break for very large values.  We just use them to store things like
  // 64-bit ino_t, etc, and hope that those values are never actually larger
  // than can be represented exactly in a double.

#if defined (OCTAVE_HAVE_LONG_LONG_INT)
  octave_value (long long int i);
#endif
#if defined (OCTAVE_HAVE_UNSIGNED_LONG_LONG_INT)
  octave_value (unsigned long long int i);
#endif

  octave_value (octave::sys::time t);
  octave_value (double d);
  octave_value (float d);
  octave_value (const Array<octave_value>& a, bool is_cs_list = false);
  octave_value (const Cell& c, bool is_cs_list = false);
  octave_value (const Matrix& m, const MatrixType& t = MatrixType ());
  octave_value (const FloatMatrix& m, const MatrixType& t = MatrixType ());
  octave_value (const NDArray& nda);
  octave_value (const FloatNDArray& nda);
  octave_value (const Array<double>& m);
  octave_value (const Array<float>& m);
  octave_value (const DiagMatrix& d);
  octave_value (const DiagArray2<double>& d);
  octave_value (const DiagArray2<float>& d);
  octave_value (const DiagArray2<Complex>& d);
  octave_value (const DiagArray2<FloatComplex>& d);
  octave_value (const FloatDiagMatrix& d);
  octave_value (const RowVector& v);
  octave_value (const FloatRowVector& v);
  octave_value (const ColumnVector& v);
  octave_value (const FloatColumnVector& v);
  octave_value (const Complex& C);
  octave_value (const FloatComplex& C);
  octave_value (const ComplexMatrix& m, const MatrixType& t = MatrixType ());
  octave_value (const FloatComplexMatrix& m,
                const MatrixType& t = MatrixType ());
  octave_value (const ComplexNDArray& cnda);
  octave_value (const FloatComplexNDArray& cnda);
  octave_value (const Array<Complex>& m);
  octave_value (const Array<FloatComplex>& m);
  octave_value (const ComplexDiagMatrix& d);
  octave_value (const FloatComplexDiagMatrix& d);
  octave_value (const ComplexRowVector& v);
  octave_value (const FloatComplexRowVector& v);
  octave_value (const ComplexColumnVector& v);
  octave_value (const FloatComplexColumnVector& v);
  octave_value (const PermMatrix& p);
  octave_value (bool b);
  octave_value (const boolMatrix& bm, const MatrixType& t = MatrixType ());
  octave_value (const boolNDArray& bnda);
  octave_value (const Array<bool>& bnda);
  octave_value (char c, char type = '\'');
  octave_value (const char *s, char type = '\'');
  octave_value (const std::string& s, char type = '\'');
  octave_value (const string_vector& s, char type = '\'');
  octave_value (const charMatrix& chm,  char type = '\'');
  octave_value (const charNDArray& chnda, char type = '\'');
  octave_value (const Array<char>& chnda, char type = '\'');

  octave_value (const SparseMatrix& m, const MatrixType& t = MatrixType ());
  octave_value (const Sparse<double>& m, const MatrixType& t = MatrixType ());
  octave_value (const SparseComplexMatrix& m,
                const MatrixType& t = MatrixType ());
  octave_value (const Sparse<Complex>& m, const MatrixType& t = MatrixType ());
  octave_value (const SparseBoolMatrix& bm,
                const MatrixType& t = MatrixType ());
  octave_value (const Sparse<bool>& m, const MatrixType& t = MatrixType ());
  octave_value (const octave_int8& i);
  octave_value (const octave_int16& i);
  octave_value (const octave_int32& i);
  octave_value (const octave_int64& i);
  octave_value (const octave_uint8& i);
  octave_value (const octave_uint16& i);
  octave_value (const octave_uint32& i);
  octave_value (const octave_uint64& i);
  octave_value (const int8NDArray& inda);
  octave_value (const Array<octave_int8>& inda);
  octave_value (const int16NDArray& inda);
  octave_value (const Array<octave_int16>& inda);
  octave_value (const int32NDArray& inda);
  octave_value (const Array<octave_int32>& inda);
  octave_value (const int64NDArray& inda);
  octave_value (const Array<octave_int64>& inda);
  octave_value (const uint8NDArray& inda);
  octave_value (const Array<octave_uint8>& inda);
  octave_value (const uint16NDArray& inda);
  octave_value (const Array<octave_uint16>& inda);
  octave_value (const uint32NDArray& inda);
  octave_value (const Array<octave_uint32>& inda);
  octave_value (const uint64NDArray& inda);
  octave_value (const Array<octave_uint64>& inda);
  octave_value (const Array<octave_idx_type>& inda,
                bool zero_based = false, bool cache_index = false);
  octave_value (const Array<std::string>& cellstr);
  octave_value (const idx_vector& idx, bool lazy = true);
  octave_value (double base, double limit, double inc);
  octave_value (const Range& r, bool force_range = false);
  octave_value (const octave_map& m);
  octave_value (const octave_scalar_map& m);
  octave_value (const std::map<std::string, octave_value>&);
  octave_value (const octave_map& m, const std::string& id,
                const std::list<std::string>& plist);
  octave_value (const octave_scalar_map& m, const std::string& id,
                const std::list<std::string>& plist);

  // This one is explicit because it can cause some trouble to
  // accidentally create a cs-list when one was not intended.
  explicit octave_value (const octave_value_list& m);

  octave_value (octave_value::magic_colon);

  octave_value (octave_base_value *new_rep, bool borrow = false);

  // Copy constructor.

  octave_value (const octave_value& a)
    : rep (a.rep)
  {
    rep->count++;
  }

  octave_value (octave_value&& a)
    : rep (a.rep)
  {
    a.rep = nullptr;
  }

  // This should only be called for derived types.

  octave_base_value * clone (void) const;

  octave_base_value * empty_clone (void) const
  { return rep->empty_clone (); }

  // Delete the representation of this constant if the count drops to zero.

  ~octave_value (void)
  {
    // Because we define a move constructor and a move assignment
    // operator, rep may be a nullptr here.  We should only need to
    // protect the move assignment operator in a similar way.

    if (rep && --rep->count == 0)
      delete rep;
  }

  void make_unique (void)
  {
    if (rep->count > 1)
      {
        octave_base_value *r = rep->unique_clone ();

        if (--rep->count == 0)
          delete rep;

        rep = r;
      }
  }

  // This uniquifies the value if it is referenced by more than a certain
  // number of shallow copies.  This is useful for optimizations where we
  // know a certain copy, typically within a cell array, to be obsolete.
  void make_unique (int obsolete_copies)
  {
    if (rep->count > obsolete_copies + 1)
      {
        octave_base_value *r = rep->unique_clone ();

        if (--rep->count == 0)
          delete rep;

        rep = r;
      }
  }

  // Simple assignment.

  octave_value& operator = (const octave_value& a)
  {
    if (rep != a.rep)
      {
        if (--rep->count == 0)
          delete rep;

        rep = a.rep;
        rep->count++;
      }

    return *this;
  }

  octave_value& operator = (octave_value&& a)
  {
    // Because we define a move constructor and a move assignment
    // operator, rep may be a nullptr here.  We should only need to
    // protect the destructor in a similar way.

    if (this != &a)
      {
        if (rep && --rep->count == 0)
          delete rep;

        rep = a.rep;
        a.rep = nullptr;
      }

    return *this;
  }

  octave_idx_type get_count (void) const { return rep->count; }

  octave_base_value::type_conv_info numeric_conversion_function (void) const
  { return rep->numeric_conversion_function (); }

  octave_base_value::type_conv_info numeric_demotion_function (void) const
  { return rep->numeric_demotion_function (); }

  void maybe_mutate (void);

  octave_value squeeze (void) const
  { return rep->squeeze (); }

  // The result of full().
  octave_value full_value (void) const
  { return rep->full_value (); }

  // Type conversions.

  octave_value as_double (void) const { return rep->as_double (); }
  octave_value as_single (void) const { return rep->as_single (); }

  octave_value as_int8 (void) const { return rep->as_int8 (); }
  octave_value as_int16 (void) const { return rep->as_int16 (); }
  octave_value as_int32 (void) const { return rep->as_int32 (); }
  octave_value as_int64 (void) const { return rep->as_int64 (); }

  octave_value as_uint8 (void) const { return rep->as_uint8 (); }
  octave_value as_uint16 (void) const { return rep->as_uint16 (); }
  octave_value as_uint32 (void) const { return rep->as_uint32 (); }
  octave_value as_uint64 (void) const { return rep->as_uint64 (); }

  octave_base_value * try_narrowing_conversion (void)
  { return rep->try_narrowing_conversion (); }

  // Close to dims (), but can be overloaded for classes.
  Matrix size (void)
  { return rep->size (); }

  // FIXME: should this function be deprecated and removed?  It supports
  // an undocumented feature of Matlab.
  octave_idx_type xnumel (const octave_value_list& idx)
  { return rep->xnumel (idx); }

  // FIXME: Do we really need all these different versions of subsref
  // and related functions?

  octave_value single_subsref (const std::string& type,
                               const octave_value_list& idx);

  octave_value subsref (const std::string& type,
                        const std::list<octave_value_list>& idx)
  { return rep->subsref (type, idx); }

  octave_value subsref (const std::string& type,
                        const std::list<octave_value_list>& idx,
                        bool auto_add)
  { return rep->subsref (type, idx, auto_add); }

  octave_value_list subsref (const std::string& type,
                             const std::list<octave_value_list>& idx,
                             int nargout);

  octave_value next_subsref (const std::string& type, const
                             std::list<octave_value_list>& idx,
                             size_t skip = 1);

  octave_value_list next_subsref (int nargout,
                                  const std::string& type, const
                                  std::list<octave_value_list>& idx,
                                  size_t skip = 1);

  octave_value next_subsref (bool auto_add, const std::string& type, const
                             std::list<octave_value_list>& idx,
                             size_t skip = 1);

  octave_value do_index_op (const octave_value_list& idx,
                            bool resize_ok = false)
  { return rep->do_index_op (idx, resize_ok); }

  octave_value subsasgn (const std::string& type,
                         const std::list<octave_value_list>& idx,
                         const octave_value& rhs);

  octave_value undef_subsasgn (const std::string& type,
                               const std::list<octave_value_list>& idx,
                               const octave_value& rhs);

  octave_value& assign (assign_op op, const std::string& type,
                        const std::list<octave_value_list>& idx,
                        const octave_value& rhs);

  octave_value& assign (assign_op, const octave_value& rhs);

  idx_vector index_vector (bool require_integers = false) const
  {
    return rep->index_vector (require_integers);
  }

  // Size.

  dim_vector dims (void) const { return rep->dims (); }

  std::string get_dims_str (void) const;

  octave_idx_type rows (void) const { return rep->rows (); }

  octave_idx_type columns (void) const { return rep->columns (); }

  octave_idx_type length (void) const;

  int ndims (void) const { return rep->ndims (); }

  bool all_zero_dims (void) const { return dims ().all_zero (); }

  // Are the dimensions of this constant zero by zero?
  bool is_zero_by_zero (void) const
  { return (ndims () == 2 && rows () == 0 && columns () == 0); }

  octave_idx_type numel (void) const
  { return rep->numel (); }

  size_t byte_size (void) const
  { return rep->byte_size (); }

  octave_idx_type nnz (void) const { return rep->nnz (); }

  octave_idx_type nzmax (void) const { return rep->nzmax (); }

  octave_idx_type nfields (void) const { return rep->nfields (); }

  octave_value reshape (const dim_vector& dv) const
  { return rep->reshape (dv); }

  octave_value permute (const Array<int>& vec, bool inv = false) const
  { return rep->permute (vec, inv); }

  octave_value ipermute (const Array<int>& vec) const
  { return rep->permute (vec, true); }

  octave_value resize (const dim_vector& dv, bool fill = false) const
  { return rep->resize (dv, fill);}

  MatrixType matrix_type (void) const
  { return rep->matrix_type (); }

  MatrixType matrix_type (const MatrixType& typ) const
  { return rep->matrix_type (typ); }

  // Does this constant have a type?  Both of these are provided since it is
  // sometimes more natural to write is_undefined() instead of ! is_defined().

  bool is_defined (void) const
  { return rep->is_defined (); }

  bool is_undefined (void) const
  { return ! is_defined (); }

  bool isempty (void) const
  { return rep->isempty (); }

  bool iscell (void) const
  { return rep->iscell (); }

  bool iscellstr (void) const
  { return rep->iscellstr (); }

  bool is_real_scalar (void) const
  { return rep->is_real_scalar (); }

  bool is_real_matrix (void) const
  { return rep->is_real_matrix (); }

  bool is_complex_scalar (void) const
  { return rep->is_complex_scalar (); }

  bool is_complex_matrix (void) const
  { return rep->is_complex_matrix (); }

  bool is_bool_scalar (void) const
  { return rep->is_bool_scalar (); }

  bool is_bool_matrix (void) const
  { return rep->is_bool_matrix (); }

  bool is_char_matrix (void) const
  { return rep->is_char_matrix (); }

  bool is_diag_matrix (void) const
  { return rep->is_diag_matrix (); }

  bool is_perm_matrix (void) const
  { return rep->is_perm_matrix (); }

  bool is_string (void) const
  { return rep->is_string (); }

  bool is_sq_string (void) const
  { return rep->is_sq_string (); }

  bool is_dq_string (void) const
  { return rep->is_string () && ! rep->is_sq_string (); }

  bool is_range (void) const
  { return rep->is_range (); }

  bool isstruct (void) const
  { return rep->isstruct (); }

  bool is_classdef_meta (void) const
  { return rep->is_classdef_meta (); }

  bool is_classdef_object (void) const
  { return rep->is_classdef_object (); }

  bool is_classdef_superclass_ref (void) const
  { return rep->is_classdef_superclass_ref (); }

  bool is_package (void) const
  { return rep->is_package (); }

  bool isobject (void) const
  { return rep->isobject (); }

  bool isjava (void) const
  { return rep->isjava (); }

  bool is_cs_list (void) const
  { return rep->is_cs_list (); }

  bool is_magic_colon (void) const
  { return rep->is_magic_colon (); }

  bool isnull (void) const
  { return rep->isnull (); }

  // Are any or all of the elements in this constant nonzero?

  octave_value all (int dim = 0) const
  { return rep->all (dim); }

  octave_value any (int dim = 0) const
  { return rep->any (dim); }

  builtin_type_t builtin_type (void) const
  { return rep->builtin_type (); }

  // Floating point types.

  bool is_double_type (void) const
  { return rep->is_double_type (); }

  bool is_single_type (void) const
  { return rep->is_single_type (); }

  bool isfloat (void) const
  { return rep->isfloat (); }

  // Integer types.

  bool is_int8_type (void) const
  { return rep->is_int8_type (); }

  bool is_int16_type (void) const
  { return rep->is_int16_type (); }

  bool is_int32_type (void) const
  { return rep->is_int32_type (); }

  bool is_int64_type (void) const
  { return rep->is_int64_type (); }

  bool is_uint8_type (void) const
  { return rep->is_uint8_type (); }

  bool is_uint16_type (void) const
  { return rep->is_uint16_type (); }

  bool is_uint32_type (void) const
  { return rep->is_uint32_type (); }

  bool is_uint64_type (void) const
  { return rep->is_uint64_type (); }

  bool isinteger (void) const
  { return rep->isinteger (); }

  // Other type stuff.

  bool islogical (void) const
  { return rep->islogical (); }

  bool isreal (void) const
  { return rep->isreal (); }

  bool iscomplex (void) const
  { return rep->iscomplex (); }

  bool is_scalar_type (void) const
  { return rep->is_scalar_type (); }

  bool is_matrix_type (void) const
  { return rep->is_matrix_type (); }

  bool isnumeric (void) const
  { return rep->isnumeric (); }

  bool issparse (void) const
  { return rep->issparse (); }

  // Does this constant correspond to a truth value?

  bool is_true (void) const
  { return rep->is_true (); }

  // Do two constants match (in a switch statement)?

  bool is_equal (const octave_value&) const;

  bool is_constant (void) const
  { return rep->is_constant (); }

  bool is_function_handle (void) const
  { return rep->is_function_handle (); }

  bool is_anonymous_function (void) const
  { return rep->is_anonymous_function (); }

  bool is_inline_function (void) const
  { return rep->is_inline_function (); }

  bool is_function (void) const
  { return rep->is_function (); }

  bool is_user_script (void) const
  { return rep->is_user_script (); }

  bool is_user_function (void) const
  { return rep->is_user_function (); }

  bool is_user_code (void) const
  { return rep->is_user_code (); }

  bool is_builtin_function (void) const
  { return rep->is_builtin_function (); }

  bool is_dld_function (void) const
  { return rep->is_dld_function (); }

  bool is_mex_function (void) const
  { return rep->is_mex_function (); }

  void erase_subfunctions (void) { rep->erase_subfunctions (); }

  // Values.

  octave_value eval (void) { return *this; }

  short int
  short_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->short_value (req_int, frc_str_conv); }

  unsigned short int
  ushort_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->ushort_value (req_int, frc_str_conv); }

  int int_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->int_value (req_int, frc_str_conv); }

  unsigned int
  uint_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->uint_value (req_int, frc_str_conv); }

  int nint_value (bool frc_str_conv = false) const
  { return rep->nint_value (frc_str_conv); }

  long int
  long_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->long_value (req_int, frc_str_conv); }

  unsigned long int
  ulong_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->ulong_value (req_int, frc_str_conv); }

  int64_t
  int64_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->int64_value (req_int, frc_str_conv); }

  uint64_t
  uint64_value (bool req_int = false, bool frc_str_conv = false) const
  { return rep->uint64_value (req_int, frc_str_conv); }

  octave_idx_type
  idx_type_value (bool req_int = false, bool frc_str_conv = false) const;

  double double_value (bool frc_str_conv = false) const
  { return rep->double_value (frc_str_conv); }

  float float_value (bool frc_str_conv = false) const
  { return rep->float_value (frc_str_conv); }

  double scalar_value (bool frc_str_conv = false) const
  { return rep->scalar_value (frc_str_conv); }

  float float_scalar_value (bool frc_str_conv = false) const
  { return rep->float_scalar_value (frc_str_conv); }

  Matrix matrix_value (bool frc_str_conv = false) const
  { return rep->matrix_value (frc_str_conv); }

  FloatMatrix float_matrix_value (bool frc_str_conv = false) const
  { return rep->float_matrix_value (frc_str_conv); }

  NDArray array_value (bool frc_str_conv = false) const
  { return rep->array_value (frc_str_conv); }

  FloatNDArray float_array_value (bool frc_str_conv = false) const
  { return rep->float_array_value (frc_str_conv); }

  Complex complex_value (bool frc_str_conv = false) const
  { return rep->complex_value (frc_str_conv); }

  FloatComplex float_complex_value (bool frc_str_conv = false) const
  { return rep->float_complex_value (frc_str_conv); }

  ComplexMatrix complex_matrix_value (bool frc_str_conv = false) const
  { return rep->complex_matrix_value (frc_str_conv); }

  FloatComplexMatrix
  float_complex_matrix_value (bool frc_str_conv = false) const
  { return rep->float_complex_matrix_value (frc_str_conv); }

  ComplexNDArray complex_array_value (bool frc_str_conv = false) const
  { return rep->complex_array_value (frc_str_conv); }

  FloatComplexNDArray
  float_complex_array_value (bool frc_str_conv = false) const
  { return rep->float_complex_array_value (frc_str_conv); }

  bool bool_value (bool warn = false) const
  { return rep->bool_value (warn); }

  boolMatrix bool_matrix_value (bool warn = false) const
  { return rep->bool_matrix_value (warn); }

  boolNDArray bool_array_value (bool warn = false) const
  { return rep->bool_array_value (warn); }

  charMatrix char_matrix_value (bool frc_str_conv = false) const
  { return rep->char_matrix_value (frc_str_conv); }

  charNDArray char_array_value (bool frc_str_conv = false) const
  { return rep->char_array_value (frc_str_conv); }

  SparseMatrix sparse_matrix_value (bool frc_str_conv = false) const
  { return rep->sparse_matrix_value (frc_str_conv); }

  SparseComplexMatrix
  sparse_complex_matrix_value (bool frc_str_conv = false) const
  { return rep->sparse_complex_matrix_value (frc_str_conv); }

  SparseBoolMatrix sparse_bool_matrix_value (bool warn = false) const
  { return rep->sparse_bool_matrix_value (warn); }

  DiagMatrix diag_matrix_value (bool force = false) const
  { return rep->diag_matrix_value (force); }

  FloatDiagMatrix float_diag_matrix_value (bool force = false) const
  { return rep->float_diag_matrix_value (force); }

  ComplexDiagMatrix complex_diag_matrix_value (bool force = false) const
  { return rep->complex_diag_matrix_value (force); }

  FloatComplexDiagMatrix
  float_complex_diag_matrix_value (bool force = false) const
  { return rep->float_complex_diag_matrix_value (force); }

  PermMatrix perm_matrix_value (void) const
  { return rep->perm_matrix_value (); }

  octave_int8 int8_scalar_value (void) const
  { return rep->int8_scalar_value (); }

  octave_int16 int16_scalar_value (void) const
  { return rep->int16_scalar_value (); }

  octave_int32 int32_scalar_value (void) const
  { return rep->int32_scalar_value (); }

  octave_int64 int64_scalar_value (void) const
  { return rep->int64_scalar_value (); }

  octave_uint8 uint8_scalar_value (void) const
  { return rep->uint8_scalar_value (); }

  octave_uint16 uint16_scalar_value (void) const
  { return rep->uint16_scalar_value (); }

  octave_uint32 uint32_scalar_value (void) const
  { return rep->uint32_scalar_value (); }

  octave_uint64 uint64_scalar_value (void) const
  { return rep->uint64_scalar_value (); }

  int8NDArray int8_array_value (void) const
  { return rep->int8_array_value (); }

  int16NDArray int16_array_value (void) const
  { return rep->int16_array_value (); }

  int32NDArray int32_array_value (void) const
  { return rep->int32_array_value (); }

  int64NDArray int64_array_value (void) const
  { return rep->int64_array_value (); }

  uint8NDArray uint8_array_value (void) const
  { return rep->uint8_array_value (); }

  uint16NDArray uint16_array_value (void) const
  { return rep->uint16_array_value (); }

  uint32NDArray uint32_array_value (void) const
  { return rep->uint32_array_value (); }

  uint64NDArray uint64_array_value (void) const
  { return rep->uint64_array_value (); }

  std::string string_value (bool force = false) const
  { return rep->string_value (force); }

  string_vector string_vector_value (bool pad = false) const
  { return rep->string_vector_value (pad); }

  Cell cell_value (void) const;

  Array<std::string> cellstr_value (void) const
  { return rep->cellstr_value (); }

  Range range_value (void) const
  { return rep->range_value (); }

  octave_map map_value (void) const;

  octave_scalar_map scalar_map_value (void) const;

  string_vector map_keys (void) const
  { return rep->map_keys (); }

  size_t nparents (void) const
  { return rep->nparents (); }

  std::list<std::string> parent_class_name_list (void) const
  { return rep->parent_class_name_list (); }

  string_vector parent_class_names (void) const
  { return rep->parent_class_names (); }

  octave_base_value *
  find_parent_class (const std::string& parent_class_name)
  { return rep->find_parent_class (parent_class_name); }

  bool is_instance_of (const std::string& cls_name) const
  { return rep->is_instance_of (cls_name); }

  octave_classdef * classdef_object_value (bool silent = false) const;

  octave_function * function_value (bool silent = false) const;

  octave_user_function * user_function_value (bool silent = false) const;

  octave_user_script * user_script_value (bool silent = false) const;

  octave_user_code * user_code_value (bool silent = false) const;

  octave_fcn_handle * fcn_handle_value (bool silent = false) const;

  octave_fcn_inline * fcn_inline_value (bool silent = false) const;

  octave_value_list list_value (void) const;

  ColumnVector column_vector_value (bool frc_str_conv = false,
                                    bool frc_vec_conv = false) const;

  ComplexColumnVector
  complex_column_vector_value (bool frc_str_conv = false,
                               bool frc_vec_conv = false) const;

  RowVector row_vector_value (bool frc_str_conv = false,
                              bool frc_vec_conv = false) const;

  ComplexRowVector
  complex_row_vector_value (bool frc_str_conv = false,
                            bool frc_vec_conv = false) const;

  FloatColumnVector float_column_vector_value (bool frc_str_conv = false,
                                               bool frc_vec_conv = false) const;

  FloatComplexColumnVector
  float_complex_column_vector_value (bool frc_str_conv = false,
                                     bool frc_vec_conv = false) const;

  FloatRowVector float_row_vector_value (bool frc_str_conv = false,
                                         bool frc_vec_conv = false) const;

  FloatComplexRowVector
  float_complex_row_vector_value (bool frc_str_conv = false,
                                  bool frc_vec_conv = false) const;

  Array<int> int_vector_value (bool req_int = false,
                               bool frc_str_conv = false,
                               bool frc_vec_conv = false) const;

  Array<octave_idx_type>
  octave_idx_type_vector_value (bool req_int = false,
                                bool frc_str_conv = false,
                                bool frc_vec_conv = false) const;

  Array<double> vector_value (bool frc_str_conv = false,
                              bool frc_vec_conv = false) const;

  Array<Complex> complex_vector_value (bool frc_str_conv = false,
                                       bool frc_vec_conv = false) const;

  Array<float> float_vector_value (bool frc_str_conv = false,
                                   bool frc_vec_conv = false) const;

  Array<FloatComplex>
  float_complex_vector_value (bool frc_str_conv = false,
                              bool frc_vec_conv = false) const;

  // Extract values of specific types without any implicit type conversions.
  // Throw an error if an object is the wrong type for the requested value
  // extraction.
  //
  // These functions are intended to provide a simple way to extract values of
  // specific types and display error messages that are more meaningful than
  // the generic "error: wrong type argument 'cell'" message.

  short int xshort_value (const char *fmt, ...) const;

  unsigned short int xushort_value (const char *fmt, ...) const;

  int xint_value (const char *fmt, ...) const;

  unsigned int xuint_value (const char *fmt, ...) const;

  int xnint_value (const char *fmt, ...) const;

  long int xlong_value (const char *fmt, ...) const;

  unsigned long int xulong_value (const char *fmt, ...) const;

  int64_t xint64_value (const char *fmt, ...) const;

  uint64_t xuint64_value (const char *fmt, ...) const;

  octave_idx_type xidx_type_value (const char *fmt, ...) const;

  double xdouble_value (const char *fmt, ...) const;

  float xfloat_value (const char *fmt, ...) const;

  double xscalar_value (const char *fmt, ...) const;

  float xfloat_scalar_value (const char *fmt, ...) const;

  Matrix xmatrix_value (const char *fmt, ...) const;

  FloatMatrix xfloat_matrix_value (const char *fmt, ...) const;

  NDArray xarray_value (const char *fmt, ...) const;

  FloatNDArray xfloat_array_value (const char *fmt, ...) const;

  Complex xcomplex_value (const char *fmt, ...) const;

  FloatComplex xfloat_complex_value (const char *fmt, ...) const;

  ComplexMatrix xcomplex_matrix_value (const char *fmt, ...) const;

  FloatComplexMatrix xfloat_complex_matrix_value (const char *fmt, ...) const;

  ComplexNDArray xcomplex_array_value (const char *fmt, ...) const;

  FloatComplexNDArray xfloat_complex_array_value (const char *fmt, ...) const;

  bool xbool_value (const char *fmt, ...) const;

  boolMatrix xbool_matrix_value (const char *fmt, ...) const;

  boolNDArray xbool_array_value (const char *fmt, ...) const;

  charMatrix xchar_matrix_value (const char *fmt, ...) const;

  charNDArray xchar_array_value (const char *fmt, ...) const;

  SparseMatrix xsparse_matrix_value (const char *fmt, ...) const;

  SparseComplexMatrix xsparse_complex_matrix_value (const char *fmt, ...) const;

  SparseBoolMatrix xsparse_bool_matrix_value (const char *fmt, ...) const;

  DiagMatrix xdiag_matrix_value (const char *fmt, ...) const;

  FloatDiagMatrix xfloat_diag_matrix_value (const char *fmt, ...) const;

  ComplexDiagMatrix xcomplex_diag_matrix_value (const char *fmt, ...) const;

  FloatComplexDiagMatrix xfloat_complex_diag_matrix_value (const char *fmt, ...) const;

  PermMatrix xperm_matrix_value (const char *fmt, ...) const;

  octave_int8 xint8_scalar_value (const char *fmt, ...) const;

  octave_int16 xint16_scalar_value (const char *fmt, ...) const;

  octave_int32 xint32_scalar_value (const char *fmt, ...) const;

  octave_int64 xint64_scalar_value (const char *fmt, ...) const;

  octave_uint8 xuint8_scalar_value (const char *fmt, ...) const;

  octave_uint16 xuint16_scalar_value (const char *fmt, ...) const;

  octave_uint32 xuint32_scalar_value (const char *fmt, ...) const;

  octave_uint64 xuint64_scalar_value (const char *fmt, ...) const;

  int8NDArray xint8_array_value (const char *fmt, ...) const;

  int16NDArray xint16_array_value (const char *fmt, ...) const;

  int32NDArray xint32_array_value (const char *fmt, ...) const;

  int64NDArray xint64_array_value (const char *fmt, ...) const;

  uint8NDArray xuint8_array_value (const char *fmt, ...) const;

  uint16NDArray xuint16_array_value (const char *fmt, ...) const;

  uint32NDArray xuint32_array_value (const char *fmt, ...) const;

  uint64NDArray xuint64_array_value (const char *fmt, ...) const;

  std::string xstring_value (const char *fmt, ...) const;

  string_vector xstring_vector_value (const char *fmt, ...) const;

  Cell xcell_value (const char *fmt, ...) const;

  Array<std::string> xcellstr_value (const char *fmt, ...) const;

  Range xrange_value (const char *fmt, ...) const;

  octave_map xmap_value (const char *fmt, ...) const;

  octave_scalar_map xscalar_map_value (const char *fmt, ...) const;

  ColumnVector xcolumn_vector_value (const char *fmt, ...) const;

  ComplexColumnVector
  xcomplex_column_vector_value (const char *fmt, ...) const;

  RowVector xrow_vector_value (const char *fmt, ...) const;

  ComplexRowVector xcomplex_row_vector_value (const char *fmt, ...) const;

  FloatColumnVector xfloat_column_vector_value (const char *fmt, ...) const;

  FloatComplexColumnVector
  xfloat_complex_column_vector_value (const char *fmt, ...) const;

  FloatRowVector xfloat_row_vector_value (const char *fmt, ...) const;

  FloatComplexRowVector
  xfloat_complex_row_vector_value (const char *fmt, ...) const;

  Array<int> xint_vector_value (const char *fmt, ...) const;

  Array<octave_idx_type>
  xoctave_idx_type_vector_value (const char *fmt, ...) const;

  Array<double> xvector_value (const char *fmt, ...) const;

  Array<Complex> xcomplex_vector_value (const char *fmt, ...) const;

  Array<float> xfloat_vector_value (const char *fmt, ...) const;

  Array<FloatComplex> xfloat_complex_vector_value (const char *fmt, ...) const;

  octave_function * xfunction_value (const char *fmt, ...) const;
  octave_user_function * xuser_function_value (const char *fmt, ...) const;
  octave_user_script * xuser_script_value (const char *fmt, ...) const;
  octave_user_code * xuser_code_value (const char *fmt, ...) const;
  octave_fcn_handle * xfcn_handle_value (const char *fmt, ...) const;
  octave_fcn_inline * xfcn_inline_value (const char *fmt, ...) const;

  octave_value_list xlist_value (const char *fmt, ...) const;

  // Possibly economize a lazy-indexed value.

  void maybe_economize (void)
  { rep->maybe_economize (); }

  // The following two hook conversions are called on any octave_value prior to
  // storing it to a "permanent" location, like a named variable, a cell or a
  // struct component, or a return value of a function.

  octave_value storable_value (void) const;

  // Ditto, but in place, i.e., equivalent to *this = this->storable_value (),
  // but possibly more efficient.

  void make_storable_value (void);

  // FIXME: These should probably be private.
  // Conversions.  If a user of this class wants a certain kind of constant,
  // he should simply ask for it, and we should convert it if possible.

  octave_value convert_to_str (bool pad = false, bool force = false,
                               char type = '\'') const
  { return rep->convert_to_str (pad, force, type); }

  octave_value
  convert_to_str_internal (bool pad, bool force, char type) const
  { return rep->convert_to_str_internal (pad, force, type); }

  void convert_to_row_or_column_vector (void)
  { rep->convert_to_row_or_column_vector (); }

  bool print_as_scalar (void) const
  { return rep->print_as_scalar (); }

  void print (std::ostream& os, bool pr_as_read_syntax = false)
  { rep->print (os, pr_as_read_syntax); }

  void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const
  { rep->print_raw (os, pr_as_read_syntax); }

  bool print_name_tag (std::ostream& os, const std::string& name) const
  { return rep->print_name_tag (os, name); }

  void print_with_name (std::ostream& os, const std::string& name) const
  { rep->print_with_name (os, name, true); }

  void short_disp (std::ostream& os) const { rep->short_disp (os); }

  float_display_format get_edit_display_format (void) const;

  std::string edit_display (const float_display_format& fmt,
                            octave_idx_type i, octave_idx_type j) const
  {
    return rep->edit_display (fmt, i, j);
  }

  int type_id (void) const { return rep->type_id (); }

  std::string type_name (void) const { return rep->type_name (); }

  std::string class_name (void) const { return rep->class_name (); }

  // Unary and binary operations.

  friend OCTINTERP_API octave_value
  do_unary_op (octave::type_info& ti, unary_op op, const octave_value& a);

  octave_value& do_non_const_unary_op (unary_op op);

  octave_value& do_non_const_unary_op (unary_op op, const std::string& type,
                                       const std::list<octave_value_list>& idx);

  friend OCTINTERP_API octave_value
  do_binary_op (octave::type_info& ti, binary_op op,
                const octave_value& a, const octave_value& b);

  friend OCTINTERP_API octave_value
  do_binary_op (octave::type_info& ti, compound_binary_op op,
                const octave_value& a, const octave_value& b);

  friend OCTINTERP_API octave_value
  do_cat_op (octave::type_info& ti, const octave_value& a,
             const octave_value& b, const Array<octave_idx_type>& ra_idx);

  friend OCTINTERP_API octave_value do_colon_op (const octave_value& base,
                                                 const octave_value& limit,
                                                 bool is_for_cmd_expr)
  {
    return do_colon_op (base, octave_value (), limit, is_for_cmd_expr);
  }

  friend OCTINTERP_API octave_value do_colon_op (const octave_value& base,
                                                 const octave_value& increment,
                                                 const octave_value& limit,
                                                 bool is_for_cmd_expr);

  const octave_base_value& get_rep (void) const { return *rep; }

  bool is_copy_of (const octave_value& val) const { return rep == val.rep; }

  void print_info (std::ostream& os,
                   const std::string& prefix = "") const;

  bool save_ascii (std::ostream& os) { return rep->save_ascii (os); }

  bool load_ascii (std::istream& is) { return rep->load_ascii (is); }

  bool save_binary (std::ostream& os, bool save_as_floats)
  { return rep->save_binary (os, save_as_floats); }

  bool load_binary (std::istream& is, bool swap,
                    octave::mach_info::float_format fmt)
  { return rep->load_binary (is, swap, fmt); }

  bool save_hdf5 (octave_hdf5_id loc_id, const char *name,
                  bool save_as_floats)
  { return rep->save_hdf5 (loc_id, name, save_as_floats); }

  bool load_hdf5 (octave_hdf5_id loc_id, const char *name)
  { return rep->load_hdf5 (loc_id, name); }

  int write (octave::stream& os, int block_size,
             oct_data_conv::data_type output_type, int skip,
             octave::mach_info::float_format flt_fmt) const;

  octave_base_value * internal_rep (void) const { return rep; }

  // Unsafe.  These functions exist to support the MEX interface.
  // You should not use them anywhere else.
  void * mex_get_data (mxClassID class_id = mxUNKNOWN_CLASS,
                       mxComplexity complexity = mxREAL) const;

  octave_idx_type * mex_get_ir (void) const { return rep->mex_get_ir (); }

  octave_idx_type * mex_get_jc (void) const { return rep->mex_get_jc (); }

  mxArray * as_mxArray (bool interleaved = false) const
  { return rep->as_mxArray (interleaved); }

  octave_value diag (octave_idx_type k = 0) const
  { return rep->diag (k); }

  octave_value diag (octave_idx_type m, octave_idx_type n) const
  { return rep->diag (m, n); }

  octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const
  { return rep->sort (dim, mode); }
  octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
                     sortmode mode = ASCENDING) const
  { return rep->sort (sidx, dim, mode); }

  sortmode issorted (sortmode mode = UNSORTED) const
  { return rep->issorted (mode); }

  Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const
  { return rep->sort_rows_idx (mode); }

  sortmode is_sorted_rows (sortmode mode = UNSORTED) const
  { return rep->is_sorted_rows (mode); }

  void lock (void) { rep->lock (); }

  void unlock (void) { rep->unlock (); }

  bool islocked (void) const { return rep->islocked (); }

  void call_object_destructor (void) { return rep->call_object_destructor (); }

  octave_value dump (void) const { return rep->dump (); }

#define MAPPER_FORWARD(F) \
  octave_value F (void) const                           \
  {                                                     \
    return rep->map (octave_base_value::umap_ ## F);    \
  }

  MAPPER_FORWARD (abs)
  MAPPER_FORWARD (acos)
  MAPPER_FORWARD (acosh)
  MAPPER_FORWARD (angle)
  MAPPER_FORWARD (arg)
  MAPPER_FORWARD (asin)
  MAPPER_FORWARD (asinh)
  MAPPER_FORWARD (atan)
  MAPPER_FORWARD (atanh)
  MAPPER_FORWARD (cbrt)
  MAPPER_FORWARD (ceil)
  MAPPER_FORWARD (conj)
  MAPPER_FORWARD (cos)
  MAPPER_FORWARD (cosh)
  MAPPER_FORWARD (erf)
  MAPPER_FORWARD (erfinv)
  MAPPER_FORWARD (erfcinv)
  MAPPER_FORWARD (erfc)
  MAPPER_FORWARD (erfcx)
  MAPPER_FORWARD (erfi)
  MAPPER_FORWARD (dawson)
  MAPPER_FORWARD (exp)
  MAPPER_FORWARD (expm1)
  MAPPER_FORWARD (isfinite)
  MAPPER_FORWARD (fix)
  MAPPER_FORWARD (floor)
  MAPPER_FORWARD (gamma)
  MAPPER_FORWARD (imag)
  MAPPER_FORWARD (isinf)
  MAPPER_FORWARD (isna)
  MAPPER_FORWARD (isnan)
  MAPPER_FORWARD (lgamma)
  MAPPER_FORWARD (log)
  MAPPER_FORWARD (log2)
  MAPPER_FORWARD (log10)
  MAPPER_FORWARD (log1p)
  MAPPER_FORWARD (real)
  MAPPER_FORWARD (round)
  MAPPER_FORWARD (roundb)
  MAPPER_FORWARD (signum)
  MAPPER_FORWARD (sin)
  MAPPER_FORWARD (sinh)
  MAPPER_FORWARD (sqrt)
  MAPPER_FORWARD (tan)
  MAPPER_FORWARD (tanh)

  // These functions are prefixed with X to avoid potential macro conflicts.

  MAPPER_FORWARD (xisalnum)
  MAPPER_FORWARD (xisalpha)
  MAPPER_FORWARD (xisascii)
  MAPPER_FORWARD (xiscntrl)
  MAPPER_FORWARD (xisdigit)
  MAPPER_FORWARD (xisgraph)
  MAPPER_FORWARD (xislower)
  MAPPER_FORWARD (xisprint)
  MAPPER_FORWARD (xispunct)
  MAPPER_FORWARD (xisspace)
  MAPPER_FORWARD (xisupper)
  MAPPER_FORWARD (xisxdigit)
  MAPPER_FORWARD (xsignbit)
  MAPPER_FORWARD (xtolower)
  MAPPER_FORWARD (xtoupper)

#undef MAPPER_FORWARD

  octave_value map (octave_base_value::unary_mapper_t umap) const
  { return rep->map (umap); }

  //! Extract the n-th element, aka 'val(n)'.
  //!
  //! @return Result is undefined if 'val' is not an array type
  //!         or @p n is out of range.
  //!
  //! @warning Function calls should never error.

  octave_value
  fast_elem_extract (octave_idx_type n) const
  { return rep->fast_elem_extract (n); }

  //! Assign the n-th element, aka 'val(n) = x'.
  //!
  //! @returns false if 'val' is not an array type,
  //!          @p x is not a matching scalar type,
  //!          or @p n is out of range.
  //!
  //! @warning Function calls should never error.

  bool
  fast_elem_insert (octave_idx_type n, const octave_value& x)
  {
    make_unique ();
    return rep->fast_elem_insert (n, x);
  }

protected:

  //! The real representation.
  octave_base_value *rep;

private:

  static octave_base_value *nil_rep (void);

  assign_op unary_op_to_assign_op (unary_op op);

  binary_op op_eq_to_binary_op (assign_op op);

  // This declaration protects against constructing octave_value from
  // const octave_base_value* which actually silently calls octave_value (bool).
  octave_value (const octave_base_value *);

};

// Publish externally used friend functions.  Which compiler requires
// these extra declarations?

extern OCTINTERP_API octave_value
do_unary_op (octave::type_info& ti, octave_value::unary_op op,
             const octave_value& a);

extern OCTINTERP_API octave_value
do_unary_op (octave_value::unary_op op, const octave_value& a);

extern OCTINTERP_API octave_value
do_binary_op (octave::type_info& ti, octave_value::binary_op op,
              const octave_value& a, const octave_value& b);

extern OCTINTERP_API octave_value
do_binary_op (octave::type_info& ti, octave_value::compound_binary_op op,
              const octave_value& a, const octave_value& b);

extern OCTINTERP_API octave_value
do_binary_op (octave_value::binary_op op, const octave_value& a,
              const octave_value& b);

extern OCTINTERP_API octave_value
do_binary_op (octave_value::compound_binary_op op, const octave_value& a,
              const octave_value& b);

extern OCTINTERP_API octave_value
do_cat_op (octave::type_info& ti, const octave_value& a,
           const octave_value& b, const Array<octave_idx_type>& ra_idx);

extern OCTINTERP_API octave_value
do_cat_op (const octave_value& a, const octave_value& b,
           const Array<octave_idx_type>& ra_idx);

#define OV_UNOP_FN(name)                        \
  inline octave_value                           \
  name (const octave_value& a)                  \
  {                                             \
    return do_unary_op (octave_value::name, a); \
  }

#define OV_UNOP_OP(name, op)                    \
  inline octave_value                           \
  operator op (const octave_value& a)           \
  {                                             \
    return name (a);                            \
  }

#define OV_UNOP_FN_OP(name, op)                 \
  OV_UNOP_FN (name)                             \
  OV_UNOP_OP (name, op)

OV_UNOP_FN_OP (op_not, !)
OV_UNOP_FN_OP (op_uplus, +)
OV_UNOP_FN_OP (op_uminus, -)

OV_UNOP_FN (op_transpose)
OV_UNOP_FN (op_hermitian)

// No simple way to define these for prefix and suffix ops?
//
//   incr
//   decr

#define OV_BINOP_FN(name)                               \
  inline octave_value                                   \
  name (const octave_value& a1, const octave_value& a2) \
  {                                                     \
    return do_binary_op (octave_value::name, a1, a2);   \
  }

#define OV_BINOP_OP(name, op)                                   \
  inline octave_value                                           \
  operator op (const octave_value& a1, const octave_value& a2)  \
  {                                                             \
    return name (a1, a2);                                       \
  }

#define OV_BINOP_FN_OP(name, op)                \
  OV_BINOP_FN (name)                            \
  OV_BINOP_OP (name, op)

OV_BINOP_FN_OP (op_add, +)
OV_BINOP_FN_OP (op_sub, -)
OV_BINOP_FN_OP (op_mul, *)
OV_BINOP_FN_OP (op_div, /)

OV_BINOP_FN (op_pow)
OV_BINOP_FN (op_ldiv)

OV_BINOP_FN_OP (op_lt, <)
OV_BINOP_FN_OP (op_le, <=)
OV_BINOP_FN_OP (op_eq, ==)
OV_BINOP_FN_OP (op_ge, >=)
OV_BINOP_FN_OP (op_gt, >)
OV_BINOP_FN_OP (op_ne, !=)

OV_BINOP_FN (op_el_mul)
OV_BINOP_FN (op_el_div)
OV_BINOP_FN (op_el_pow)
OV_BINOP_FN (op_el_ldiv)
OV_BINOP_FN (op_el_and)
OV_BINOP_FN (op_el_or)

OV_BINOP_FN (op_struct_ref)

#define OV_COMP_BINOP_FN(name)                          \
  inline octave_value                                   \
  name (const octave_value& a1, const octave_value& a2) \
  {                                                     \
    return do_binary_op (octave_value::name, a1, a2);   \
  }

OV_COMP_BINOP_FN (op_trans_mul)
OV_COMP_BINOP_FN (op_mul_trans)
OV_COMP_BINOP_FN (op_herm_mul)
OV_COMP_BINOP_FN (op_mul_herm)

extern OCTINTERP_API void install_types (octave::type_info&);

// Templated value extractors.
template <typename Value>
inline Value octave_value_extract (const octave_value&)
{ assert (false); }

#define DEF_VALUE_EXTRACTOR(VALUE,MPREFIX)                              \
  template <>                                                           \
  inline VALUE octave_value_extract<VALUE> (const octave_value& v)      \
  {                                                                     \
    return v.MPREFIX ## _value ();                                      \
  }

DEF_VALUE_EXTRACTOR (double, scalar)
DEF_VALUE_EXTRACTOR (float, float_scalar)
DEF_VALUE_EXTRACTOR (Complex, complex)
DEF_VALUE_EXTRACTOR (FloatComplex, float_complex)
DEF_VALUE_EXTRACTOR (bool, bool)

DEF_VALUE_EXTRACTOR (octave_int8, int8_scalar)
DEF_VALUE_EXTRACTOR (octave_int16, int16_scalar)
DEF_VALUE_EXTRACTOR (octave_int32, int32_scalar)
DEF_VALUE_EXTRACTOR (octave_int64, int64_scalar)
DEF_VALUE_EXTRACTOR (octave_uint8, uint8_scalar)
DEF_VALUE_EXTRACTOR (octave_uint16, uint16_scalar)
DEF_VALUE_EXTRACTOR (octave_uint32, uint32_scalar)
DEF_VALUE_EXTRACTOR (octave_uint64, uint64_scalar)

DEF_VALUE_EXTRACTOR (NDArray, array)
DEF_VALUE_EXTRACTOR (FloatNDArray, float_array)
DEF_VALUE_EXTRACTOR (ComplexNDArray, complex_array)
DEF_VALUE_EXTRACTOR (FloatComplexNDArray, float_complex_array)
DEF_VALUE_EXTRACTOR (boolNDArray, bool_array)

DEF_VALUE_EXTRACTOR (charNDArray, char_array)
DEF_VALUE_EXTRACTOR (int8NDArray, int8_array)
DEF_VALUE_EXTRACTOR (int16NDArray, int16_array)
DEF_VALUE_EXTRACTOR (int32NDArray, int32_array)
DEF_VALUE_EXTRACTOR (int64NDArray, int64_array)
DEF_VALUE_EXTRACTOR (uint8NDArray, uint8_array)
DEF_VALUE_EXTRACTOR (uint16NDArray, uint16_array)
DEF_VALUE_EXTRACTOR (uint32NDArray, uint32_array)
DEF_VALUE_EXTRACTOR (uint64NDArray, uint64_array)

DEF_VALUE_EXTRACTOR (Matrix, matrix)
DEF_VALUE_EXTRACTOR (FloatMatrix, float_matrix)
DEF_VALUE_EXTRACTOR (ComplexMatrix, complex_matrix)
DEF_VALUE_EXTRACTOR (FloatComplexMatrix, float_complex_matrix)
DEF_VALUE_EXTRACTOR (boolMatrix, bool_matrix)

DEF_VALUE_EXTRACTOR (ColumnVector, column_vector)
DEF_VALUE_EXTRACTOR (FloatColumnVector, float_column_vector)
DEF_VALUE_EXTRACTOR (ComplexColumnVector, complex_column_vector)
DEF_VALUE_EXTRACTOR (FloatComplexColumnVector, float_complex_column_vector)

DEF_VALUE_EXTRACTOR (RowVector, row_vector)
DEF_VALUE_EXTRACTOR (FloatRowVector, float_row_vector)
DEF_VALUE_EXTRACTOR (ComplexRowVector, complex_row_vector)
DEF_VALUE_EXTRACTOR (FloatComplexRowVector, float_complex_row_vector)

DEF_VALUE_EXTRACTOR (DiagMatrix, diag_matrix)
DEF_VALUE_EXTRACTOR (FloatDiagMatrix, float_diag_matrix)
DEF_VALUE_EXTRACTOR (ComplexDiagMatrix, complex_diag_matrix)
DEF_VALUE_EXTRACTOR (FloatComplexDiagMatrix, float_complex_diag_matrix)
DEF_VALUE_EXTRACTOR (PermMatrix, perm_matrix)

DEF_VALUE_EXTRACTOR (SparseMatrix, sparse_matrix)
DEF_VALUE_EXTRACTOR (SparseComplexMatrix, sparse_complex_matrix)
DEF_VALUE_EXTRACTOR (SparseBoolMatrix, sparse_bool_matrix)
#undef DEF_VALUE_EXTRACTOR

#define DEF_DUMMY_VALUE_EXTRACTOR(VALUE,DEFVAL)                         \
  template <>                                                           \
  inline VALUE octave_value_extract<VALUE> (const octave_value&)        \
  {                                                                     \
    assert (false);                                                     \
    return DEFVAL;                                                      \
  }

DEF_DUMMY_VALUE_EXTRACTOR (char, 0)
DEF_DUMMY_VALUE_EXTRACTOR (octave_value, octave_value ())
#undef DEF_DUMMY_VALUE_EXTRACTOR

#endif