Mercurial > hg > octave-nkf
annotate src/ov-base-scalar.h @ 8307:ec969f3b8955
Add scalar reshape method
| author | David Bateman <dbateman@free.fr> |
|---|---|
| date | Tue, 04 Nov 2008 15:08:27 +0100 |
| parents | 443a8f5a50fd |
| children | d254a21e0120 |
| rev | line source |
|---|---|
| 3278 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
| 4 2006, 2007 John W. Eaton | |
| 3278 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 3278 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 3278 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_base_scalar_h) | |
| 25 #define octave_base_scalar_h 1 | |
| 26 | |
| 27 #include <cstdlib> | |
| 28 | |
| 3503 | 29 #include <iostream> |
| 3278 | 30 #include <string> |
| 31 | |
| 32 #include "lo-mappers.h" | |
| 33 #include "lo-utils.h" | |
| 34 #include "oct-alloc.h" | |
| 35 #include "str-vec.h" | |
| 6376 | 36 #include "MatrixType.h" |
| 3278 | 37 |
| 38 #include "ov-base.h" | |
| 39 #include "ov-typeinfo.h" | |
| 40 | |
| 41 // Real scalar values. | |
| 42 | |
| 43 template <class ST> | |
| 44 class | |
| 45 octave_base_scalar : public octave_base_value | |
| 46 { | |
| 47 public: | |
| 48 | |
| 49 octave_base_scalar (void) | |
| 6376 | 50 : octave_base_value (), typ (MatrixType ()) { } |
| 3278 | 51 |
| 6376 | 52 octave_base_scalar (const ST& s, const MatrixType& t = MatrixType ()) |
| 53 : octave_base_value (), scalar (s), typ (t) { } | |
| 3278 | 54 |
| 55 octave_base_scalar (const octave_base_scalar& s) | |
| 6376 | 56 : octave_base_value (), scalar (s.scalar), typ (s.typ) { } |
| 3278 | 57 |
| 58 ~octave_base_scalar (void) { } | |
| 59 | |
| 5759 | 60 octave_base_value *clone (void) const { return new octave_base_scalar (*this); } |
| 61 octave_base_value *empty_clone (void) const { return new octave_base_scalar (); } | |
| 4981 | 62 |
| 4759 | 63 octave_value squeeze (void) const { return scalar; } |
| 64 | |
| 4247 | 65 octave_value subsref (const std::string& type, |
| 4219 | 66 const std::list<octave_value_list>& idx); |
| 3933 | 67 |
|
7651
443a8f5a50fd
require both subsref variants to be defined in octave_value subclasses
John W. Eaton <jwe@octave.org>
parents:
7620
diff
changeset
|
68 octave_value_list subsref (const std::string& type, |
|
443a8f5a50fd
require both subsref variants to be defined in octave_value subclasses
John W. Eaton <jwe@octave.org>
parents:
7620
diff
changeset
|
69 const std::list<octave_value_list>& idx, int) |
|
443a8f5a50fd
require both subsref variants to be defined in octave_value subclasses
John W. Eaton <jwe@octave.org>
parents:
7620
diff
changeset
|
70 { return subsref (type, idx); } |
| 4271 | 71 |
| 4247 | 72 octave_value subsasgn (const std::string& type, |
| 4219 | 73 const std::list<octave_value_list>& idx, |
| 3933 | 74 const octave_value& rhs); |
| 75 | |
| 3278 | 76 bool is_constant (void) const { return true; } |
| 77 | |
| 78 bool is_defined (void) const { return true; } | |
| 79 | |
| 4563 | 80 dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; } |
| 81 | |
| 5602 | 82 octave_idx_type nnz (void) const { return (scalar != ST ()) ? 1 : 0; } |
| 83 | |
| 4901 | 84 octave_value permute (const Array<int>&, bool = false) const |
| 4875 | 85 { return scalar; } |
| 86 | |
|
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ec969f3b8955
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David Bateman <dbateman@free.fr>
parents:
7651
diff
changeset
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87 octave_value reshape (const dim_vector& new_dims) const |
|
ec969f3b8955
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David Bateman <dbateman@free.fr>
parents:
7651
diff
changeset
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88 { return array_value ().reshape (new_dims); } |
|
ec969f3b8955
Add scalar reshape method
David Bateman <dbateman@free.fr>
parents:
7651
diff
changeset
|
89 |
| 4791 | 90 size_t byte_size (void) const { return sizeof (ST); } |
| 91 | |
| 4901 | 92 octave_value all (int = 0) const { return (scalar != ST ()); } |
| 3278 | 93 |
| 4901 | 94 octave_value any (int = 0) const { return (scalar != ST ()); } |
| 3278 | 95 |
|
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Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7433
diff
changeset
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96 octave_value diag (octave_idx_type k = 0) const |
|
36594d5bbe13
Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7433
diff
changeset
|
97 { return octave_value (matrix_value (). diag (k)); } |
|
36594d5bbe13
Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents:
7433
diff
changeset
|
98 |
| 7433 | 99 octave_value sort (octave_idx_type, sortmode) const |
| 100 { return octave_value (scalar); } | |
| 101 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type, | |
| 102 sortmode) const | |
| 103 { | |
| 104 sidx.resize (dim_vector (1, 1)); | |
| 105 sidx(0) = 0; | |
| 106 return octave_value (scalar); | |
| 107 } | |
| 108 | |
| 6376 | 109 MatrixType matrix_type (void) const { return typ; } |
| 110 MatrixType matrix_type (const MatrixType& _typ) const | |
| 111 { MatrixType ret = typ; typ = _typ; return ret; } | |
| 112 | |
| 3278 | 113 bool is_scalar_type (void) const { return true; } |
| 114 | |
| 115 bool is_numeric_type (void) const { return true; } | |
| 116 | |
| 4901 | 117 bool is_true (void) const { return (scalar != ST ()); } |
| 3278 | 118 |
| 3523 | 119 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 3278 | 120 |
| 3523 | 121 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 3278 | 122 |
| 3523 | 123 bool print_name_tag (std::ostream& os, const std::string& name) const; |
| 3278 | 124 |
| 5900 | 125 // Unsafe. This function exists to support the MEX interface. |
| 126 // You should not use it anywhere else. | |
| 127 void *mex_get_data (void) const { return const_cast<ST *> (&scalar); } | |
| 128 | |
| 3278 | 129 protected: |
| 130 | |
| 131 // The value of this scalar. | |
| 132 ST scalar; | |
| 6376 | 133 |
| 134 mutable MatrixType typ; | |
| 3278 | 135 }; |
| 136 | |
| 137 #endif | |
| 138 | |
| 139 /* | |
| 140 ;;; Local Variables: *** | |
| 141 ;;; mode: C++ *** | |
| 142 ;;; End: *** | |
| 143 */ |