|
2376
|
1 /* |
|
|
2 |
|
2847
|
3 Copyright (C) 1996, 1997 John W. Eaton |
|
2376
|
4 |
|
|
5 This file is part of Octave. |
|
|
6 |
|
|
7 Octave is free software; you can redistribute it and/or modify it |
|
|
8 under the terms of the GNU General Public License as published by the |
|
|
9 Free Software Foundation; either version 2, or (at your option) any |
|
|
10 later version. |
|
|
11 |
|
|
12 Octave is distributed in the hope that it will be useful, but WITHOUT |
|
|
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
|
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
|
15 for more details. |
|
|
16 |
|
|
17 You should have received a copy of the GNU General Public License |
|
|
18 along with Octave; see the file COPYING. If not, write to the Free |
|
|
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
|
|
20 |
|
|
21 */ |
|
|
22 |
|
4192
|
23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
|
2376
|
24 #pragma implementation |
|
|
25 #endif |
|
|
26 |
|
|
27 #ifdef HAVE_CONFIG_H |
|
|
28 #include <config.h> |
|
|
29 #endif |
|
|
30 |
|
4100
|
31 #include <climits> |
|
|
32 |
|
3503
|
33 #include <iostream> |
|
2901
|
34 |
|
2376
|
35 #include "lo-ieee.h" |
|
|
36 #include "lo-utils.h" |
|
|
37 #include "mx-base.h" |
|
4153
|
38 #include "quit.h" |
|
2376
|
39 |
|
|
40 #include "gripes.h" |
|
|
41 #include "oct-obj.h" |
|
2979
|
42 #include "oct-lvalue.h" |
|
2410
|
43 #include "ops.h" |
|
3219
|
44 #include "ov-base.h" |
|
|
45 #include "ov-base-mat.h" |
|
|
46 #include "ov-base-mat.cc" |
|
2410
|
47 #include "ov-scalar.h" |
|
2376
|
48 #include "ov-re-mat.h" |
|
|
49 #include "pr-output.h" |
|
2948
|
50 #include "variables.h" |
|
2376
|
51 |
|
4100
|
52 #if ! defined (UCHAR_MAX) |
|
|
53 #define UCHAR_MAX 255 |
|
|
54 #endif |
|
|
55 |
|
3219
|
56 template class octave_base_matrix<Matrix>; |
|
2376
|
57 |
|
3219
|
58 DEFINE_OCTAVE_ALLOCATOR (octave_matrix); |
|
2477
|
59 |
|
3219
|
60 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_matrix, "matrix"); |
|
2376
|
61 |
|
2410
|
62 octave_value * |
|
|
63 octave_matrix::try_narrowing_conversion (void) |
|
|
64 { |
|
|
65 octave_value *retval = 0; |
|
|
66 |
|
|
67 int nr = matrix.rows (); |
|
|
68 int nc = matrix.cols (); |
|
|
69 |
|
|
70 if (nr == 1 && nc == 1) |
|
|
71 retval = new octave_scalar (matrix (0, 0)); |
|
|
72 |
|
|
73 return retval; |
|
|
74 } |
|
|
75 |
|
2376
|
76 bool |
|
|
77 octave_matrix::valid_as_scalar_index (void) const |
|
|
78 { |
|
|
79 // XXX FIXME XXX |
|
|
80 return false; |
|
|
81 } |
|
|
82 |
|
|
83 double |
|
|
84 octave_matrix::double_value (bool) const |
|
|
85 { |
|
4102
|
86 double retval = lo_ieee_nan_value (); |
|
2376
|
87 |
|
|
88 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
|
4455
|
89 if (rows () > 0 && columns () > 0) |
|
|
90 { |
|
|
91 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
92 if (Vwarn_fortran_indexing) |
|
|
93 gripe_implicit_conversion ("real matrix", "real scalar"); |
|
|
94 |
|
|
95 retval = matrix (0, 0); |
|
|
96 } |
|
2376
|
97 else |
|
|
98 gripe_invalid_conversion ("real matrix", "real scalar"); |
|
|
99 |
|
|
100 return retval; |
|
|
101 } |
|
|
102 |
|
|
103 Complex |
|
|
104 octave_matrix::complex_value (bool) const |
|
|
105 { |
|
4102
|
106 double tmp = lo_ieee_nan_value (); |
|
|
107 |
|
|
108 Complex retval (tmp, tmp); |
|
2376
|
109 |
|
4455
|
110 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
|
|
111 if (rows () > 0 && columns () > 0) |
|
|
112 { |
|
|
113 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
|
|
114 if (Vwarn_fortran_indexing) |
|
|
115 gripe_implicit_conversion ("real matrix", "complex scalar"); |
|
|
116 |
|
|
117 retval = matrix (0, 0); |
|
|
118 } |
|
2376
|
119 else |
|
|
120 gripe_invalid_conversion ("real matrix", "complex scalar"); |
|
|
121 |
|
|
122 return retval; |
|
|
123 } |
|
|
124 |
|
|
125 octave_value |
|
4457
|
126 octave_matrix::convert_to_str_internal (bool, bool) const |
|
2376
|
127 { |
|
|
128 octave_value retval; |
|
|
129 |
|
|
130 int nr = matrix.rows (); |
|
|
131 int nc = matrix.columns (); |
|
|
132 |
|
|
133 if (nr == 0 && nc == 0) |
|
|
134 { |
|
|
135 char s = '\0'; |
|
|
136 retval = octave_value (&s); |
|
|
137 } |
|
|
138 else |
|
|
139 { |
|
|
140 if (nr == 0 || nc == 0) |
|
|
141 { |
|
|
142 char s = '\0'; |
|
|
143 retval = octave_value (&s); |
|
|
144 } |
|
|
145 else |
|
|
146 { |
|
|
147 charMatrix chm (nr, nc); |
|
4100
|
148 |
|
|
149 bool warned = false; |
|
2376
|
150 |
|
|
151 for (int j = 0; j < nc; j++) |
|
|
152 { |
|
|
153 for (int i = 0; i < nr; i++) |
|
|
154 { |
|
4153
|
155 OCTAVE_QUIT; |
|
|
156 |
|
2376
|
157 double d = matrix (i, j); |
|
|
158 |
|
|
159 if (xisnan (d)) |
|
|
160 { |
|
|
161 ::error ("invalid conversion from NaN to character"); |
|
|
162 return retval; |
|
|
163 } |
|
|
164 else |
|
|
165 { |
|
4100
|
166 int ival = NINT (d); |
|
|
167 |
|
|
168 if (ival < 0 || ival > UCHAR_MAX) |
|
|
169 { |
|
|
170 // XXX FIXME XXX -- is there something |
|
|
171 // better we could do? |
|
|
172 |
|
|
173 ival = 0; |
|
2376
|
174 |
|
4100
|
175 if (! warned) |
|
|
176 { |
|
|
177 ::warning ("range error for conversion to character value"); |
|
|
178 warned = true; |
|
|
179 } |
|
|
180 } |
|
|
181 |
|
|
182 chm (i, j) = static_cast<char> (ival); |
|
2376
|
183 } |
|
|
184 } |
|
|
185 } |
|
|
186 |
|
|
187 retval = octave_value (chm, 1); |
|
|
188 } |
|
|
189 } |
|
|
190 |
|
|
191 return retval; |
|
|
192 } |
|
|
193 |
|
|
194 /* |
|
|
195 ;;; Local Variables: *** |
|
|
196 ;;; mode: C++ *** |
|
|
197 ;;; End: *** |
|
|
198 */ |
