Mercurial > octave-nkf
view libinterp/octave-value/ov-base-scalar.h @ 20530:bf6c4433ed5f
Clean up isa() function.
* ov-class.cc (Fisa): Remove not strictly necessary const modifiers on
variables. Use more meaningful variable names. Put direct test for
class name first in if tree since this is the most likely test to
succeed.
author | Rik <rik@octave.org> |
---|---|
date | Tue, 22 Sep 2015 01:38:40 -0700 |
parents | 4197fc428c7d |
children |
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/* Copyright (C) 1996-2015 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 "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); 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; } octave_value fast_elem_extract (octave_idx_type n) const; bool fast_elem_insert_self (void *where, builtin_type_t btyp) const; protected: // The value of this scalar. ST scalar; }; #endif