Mercurial > octave-nkf
annotate src/ov-base-scalar.h @ 10544:9961fc022d9d
fix assignment to non-existing variables and octave_value::assign
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Fri, 23 Apr 2010 11:23:43 +0200 |
| parents | f3b65e1ae355 |
| children | ffe28cdc6fe2 |
| rev | line source |
|---|---|
| 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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reimplement full as method of octave_base_value
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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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require both subsref variants to be defined in octave_value subclasses
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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 | |
| 4901 | 83 octave_value permute (const Array<int>&, bool = false) const |
| 4875 | 84 { return scalar; } |
| 85 | |
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86 octave_value reshape (const dim_vector& new_dims) const |
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87 { return array_value ().reshape (new_dims); } |
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88 |
| 4791 | 89 size_t byte_size (void) const { return sizeof (ST); } |
| 90 | |
| 4901 | 91 octave_value all (int = 0) const { return (scalar != ST ()); } |
| 3278 | 92 |
| 4901 | 93 octave_value any (int = 0) const { return (scalar != ST ()); } |
| 3278 | 94 |
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95 octave_value diag (octave_idx_type k = 0) const |
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96 { return octave_value (matrix_value (). diag (k)); } |
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97 |
| 7433 | 98 octave_value sort (octave_idx_type, sortmode) const |
| 99 { return octave_value (scalar); } | |
| 100 octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type, | |
| 10313 | 101 sortmode) const |
| 7433 | 102 { |
| 103 sidx.resize (dim_vector (1, 1)); | |
| 104 sidx(0) = 0; | |
| 105 return octave_value (scalar); | |
| 106 } | |
| 107 | |
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108 sortmode is_sorted (sortmode mode = UNSORTED) const |
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109 { return mode ? mode : ASCENDING; } |
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110 |
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111 Array<octave_idx_type> sort_rows_idx (sortmode) const |
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112 { return Array<octave_idx_type> (1, 0); } |
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113 |
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114 sortmode is_sorted_rows (sortmode mode = UNSORTED) const |
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115 { return mode ? mode : ASCENDING; } |
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116 |
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117 MatrixType matrix_type (void) const { return MatrixType::Diagonal; } |
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118 MatrixType matrix_type (const MatrixType&) const |
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119 { return matrix_type (); } |
| 6376 | 120 |
| 3278 | 121 bool is_scalar_type (void) const { return true; } |
| 122 | |
| 123 bool is_numeric_type (void) const { return true; } | |
| 124 | |
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125 bool is_true (void) const; |
| 3278 | 126 |
| 3523 | 127 void print (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 3278 | 128 |
| 3523 | 129 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const; |
| 3278 | 130 |
| 3523 | 131 bool print_name_tag (std::ostream& os, const std::string& name) const; |
| 3278 | 132 |
| 5900 | 133 // Unsafe. This function exists to support the MEX interface. |
| 134 // You should not use it anywhere else. | |
| 135 void *mex_get_data (void) const { return const_cast<ST *> (&scalar); } | |
| 136 | |
| 3278 | 137 protected: |
| 138 | |
| 139 // The value of this scalar. | |
| 140 ST scalar; | |
| 141 }; | |
| 142 | |
| 143 #endif |