Mercurial > octave-nkf
annotate src/ov-base-scalar.h @ 10545:ffe28cdc6fe2
fix reshape() and permute() for scalars
author | Jaroslav Hajek <highegg@gmail.com> |
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date | Fri, 23 Apr 2010 11:42:58 +0200 |
parents | 9961fc022d9d |
children | ec5fa46e0e45 |
rev | line source |
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3278 | 1 /* |
2 | |
7017 | 3 Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
8920 | 4 2006, 2007, 2008, 2009 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 | |
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29 #include <iosfwd> |
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) | |
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50 : octave_base_value () { } |
3278 | 51 |
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52 octave_base_scalar (const ST& s) |
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53 : octave_base_value (), scalar (s) { } |
3278 | 54 |
55 octave_base_scalar (const octave_base_scalar& s) | |
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56 : octave_base_value (), scalar (s.scalar) { } |
3278 | 57 |
58 ~octave_base_scalar (void) { } | |
59 | |
4759 | 60 octave_value squeeze (void) const { return scalar; } |
61 | |
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62 octave_value full_value (void) const { return scalar; } |
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63 |
4247 | 64 octave_value subsref (const std::string& type, |
10313 | 65 const std::list<octave_value_list>& idx); |
3933 | 66 |
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67 octave_value_list subsref (const std::string& type, |
10313 | 68 const std::list<octave_value_list>& idx, int) |
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69 { return subsref (type, idx); } |
4271 | 70 |
4247 | 71 octave_value subsasgn (const std::string& type, |
10313 | 72 const std::list<octave_value_list>& idx, |
73 const octave_value& rhs); | |
3933 | 74 |
3278 | 75 bool is_constant (void) const { return true; } |
76 | |
77 bool is_defined (void) const { return true; } | |
78 | |
4563 | 79 dim_vector dims (void) const { static dim_vector dv (1, 1); return dv; } |
80 | |
5602 | 81 octave_idx_type nnz (void) const { return (scalar != ST ()) ? 1 : 0; } |
82 | |
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83 octave_value permute (const Array<int>&, bool = false) const; |
4875 | 84 |
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85 octave_value reshape (const dim_vector& new_dims) const; |
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86 |
4791 | 87 size_t byte_size (void) const { return sizeof (ST); } |
88 | |
4901 | 89 octave_value all (int = 0) const { return (scalar != ST ()); } |
3278 | 90 |
4901 | 91 octave_value any (int = 0) const { return (scalar != ST ()); } |
3278 | 92 |
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93 octave_value diag (octave_idx_type k = 0) const |
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94 { return octave_value (matrix_value (). diag (k)); } |
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95 |
7433 | 96 octave_value sort (octave_idx_type, sortmode) const |
97 { return octave_value (scalar); } | |
98 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type, | |
10313 | 99 sortmode) const |
7433 | 100 { |
101 sidx.resize (dim_vector (1, 1)); | |
102 sidx(0) = 0; | |
103 return octave_value (scalar); | |
104 } | |
105 | |
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106 sortmode is_sorted (sortmode mode = UNSORTED) const |
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107 { return mode ? mode : ASCENDING; } |
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108 |
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109 Array<octave_idx_type> sort_rows_idx (sortmode) const |
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110 { return Array<octave_idx_type> (1, 0); } |
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111 |
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112 sortmode is_sorted_rows (sortmode mode = UNSORTED) const |
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113 { return mode ? mode : ASCENDING; } |
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114 |
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115 MatrixType matrix_type (void) const { return MatrixType::Diagonal; } |
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116 MatrixType matrix_type (const MatrixType&) const |
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117 { return matrix_type (); } |
6376 | 118 |
3278 | 119 bool is_scalar_type (void) const { return true; } |
120 | |
121 bool is_numeric_type (void) const { return true; } | |
122 | |
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123 bool is_true (void) const; |
3278 | 124 |
3523 | 125 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
3278 | 126 |
3523 | 127 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
3278 | 128 |
3523 | 129 bool print_name_tag (std::ostream& os, const std::string& name) const; |
3278 | 130 |
5900 | 131 // Unsafe. This function exists to support the MEX interface. |
132 // You should not use it anywhere else. | |
133 void *mex_get_data (void) const { return const_cast<ST *> (&scalar); } | |
134 | |
3278 | 135 protected: |
136 | |
137 // The value of this scalar. | |
138 ST scalar; | |
139 }; | |
140 | |
141 #endif |