Mercurial > octave
view libinterp/octave-value/ov-base-scalar.h @ 29655:32f4357ac8d9
maint: merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
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date | Wed, 12 May 2021 19:28:54 +0200 |
parents | aef11bb4e6d1 d13d090cb03a |
children | a2936935c7c8 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2021 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_base_scalar_h) #define octave_ov_base_scalar_h 1 #include "octave-config.h" #include <cstdlib> #include <iosfwd> #include <string> #include "lo-mappers.h" #include "lo-utils.h" #include "str-vec.h" #include "MatrixType.h" #include "ov-base.h" #include "ov-typeinfo.h" // Real scalar values. template <typename ST> class OCTINTERP_API octave_base_scalar : public octave_base_value { public: typedef ST scalar_type; 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) = default; octave_value squeeze (void) const { return scalar; } octave_value full_value (void) const { return scalar; } // We don't need to override all three forms of subsref. The using // declaration will avoid warnings about partially-overloaded virtual // functions. using octave_base_value::subsref; OCTINTERP_API 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); } OCTINTERP_API octave_value subsasgn (const std::string& type, const std::list<octave_value_list>& idx, const octave_value& rhs); bool is_constant (void) const { return true; } bool is_defined (void) const { return true; } OCTINTERP_API dim_vector dims (void) const; 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); } OCTINTERP_API octave_value permute (const Array<int>&, bool = false) const; OCTINTERP_API octave_value reshape (const dim_vector& new_dims) const; std::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 ()); } OCTINTERP_API octave_value diag (octave_idx_type k = 0) const; OCTINTERP_API 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 issorted (sortmode mode = UNSORTED) const { return mode == UNSORTED ? ASCENDING : mode; } 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 == UNSORTED ? ASCENDING : mode; } 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 isnumeric (void) const { return true; } OCTINTERP_API bool is_true (void) const; OCTINTERP_API void print (std::ostream& os, bool pr_as_read_syntax = false); OCTINTERP_API void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; OCTINTERP_API bool print_name_tag (std::ostream& os, const std::string& name) const; OCTINTERP_API void short_disp (std::ostream& os) const; OCTINTERP_API float_display_format get_edit_display_format (void) const; OCTINTERP_API std::string edit_display (const float_display_format& fmt, octave_idx_type i, octave_idx_type j) 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; } OCTINTERP_API octave_value fast_elem_extract (octave_idx_type n) const; OCTINTERP_API bool fast_elem_insert_self (void *where, builtin_type_t btyp) const; protected: // The value of this scalar. ST scalar; }; #endif