File: xnorm.cc

package info (click to toggle)
octave 4.0.3-3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 94,200 kB
  • ctags: 52,925
  • sloc: cpp: 316,850; ansic: 43,469; fortran: 23,670; sh: 13,805; yacc: 8,204; objc: 7,939; lex: 3,631; java: 2,127; makefile: 1,746; perl: 1,022; awk: 988
file content (214 lines) | stat: -rw-r--r-- 6,181 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
/*

Copyright (C) 2008-2015 VZLU Prague, a.s.

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/>.

*/

// author: Jaroslav Hajek <highegg@gmail.com>

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <cassert>
#include <cfloat>
#include <math.h>

#include "oct-norm.h"

#include "error.h"
#include "xnorm.h"
#include "ov.h"
#include "gripes.h"

octave_value xnorm (const octave_value& x, const octave_value& p)
{
  octave_value retval;

  bool isvector = (x.columns () == 1 || x.rows () == 1);
  bool iscomplex = x.is_complex_type ();
  bool issparse = x.is_sparse_type ();
  bool isfloat = x.is_single_type ();

  if (isfloat || x.is_double_type ())
    {
      if (x.is_empty ())
        retval = octave_value (0);
      else if (isvector)
        {
          if (isfloat & iscomplex)
            retval = xnorm (x.float_complex_column_vector_value (),
                            p.float_value ());
          else if (isfloat)
            retval = xnorm (x.float_column_vector_value (),
                            p.float_value ());
          else if (iscomplex)
            retval = xnorm (x.complex_column_vector_value (),
                            p.double_value ());
          else
            retval = xnorm (x.column_vector_value (),
                            p.double_value ());
        }
      else if (issparse)
        {
          if (iscomplex)
            retval = xnorm (x.sparse_complex_matrix_value (),
                            p.double_value ());
          else
            retval = xnorm (x.sparse_matrix_value (),
                            p.double_value ());
        }
      else
        {
          if (isfloat & iscomplex)
            retval = xnorm (x.float_complex_matrix_value (),
                            p.float_value ());
          else if (isfloat)
            retval = xnorm (x.float_matrix_value (),
                            p.float_value ());
          else if (iscomplex)
            retval = xnorm (x.complex_matrix_value (),
                            p.double_value ());
          else
            retval = xnorm (x.matrix_value (),
                            p.double_value ());
        }
    }
  else
    gripe_wrong_type_arg ("xnorm", x, true);

  return retval;
}

octave_value xcolnorms (const octave_value& x, const octave_value& p)
{
  octave_value retval;

  bool iscomplex = x.is_complex_type ();
  bool issparse = x.is_sparse_type ();
  bool isfloat = x.is_single_type ();

  if (isfloat || x.is_double_type ())
    {
      if (issparse)
        {
          if (iscomplex)
            retval = xcolnorms (x.sparse_complex_matrix_value (),
                                p.double_value ());
          else
            retval = xcolnorms (x.sparse_matrix_value (),
                                p.double_value ());
        }
      else
        {
          if (isfloat & iscomplex)
            retval = xcolnorms (x.float_complex_matrix_value (),
                                p.float_value ());
          else if (isfloat)
            retval = xcolnorms (x.float_matrix_value (),
                                p.float_value ());
          else if (iscomplex)
            retval = xcolnorms (x.complex_matrix_value (),
                                p.double_value ());
          else
            retval = xcolnorms (x.matrix_value (),
                                p.double_value ());
        }
    }
  else
    gripe_wrong_type_arg ("xcolnorms", x, true);

  return retval;
}

octave_value xrownorms (const octave_value& x, const octave_value& p)
{
  octave_value retval;

  bool iscomplex = x.is_complex_type ();
  bool issparse = x.is_sparse_type ();
  bool isfloat = x.is_single_type ();

  if (isfloat || x.is_double_type ())
    {
      if (issparse)
        {
          if (iscomplex)
            retval = xrownorms (x.sparse_complex_matrix_value (),
                                p.double_value ());
          else
            retval = xrownorms (x.sparse_matrix_value (),
                                p.double_value ());
        }
      else
        {
          if (isfloat & iscomplex)
            retval = xrownorms (x.float_complex_matrix_value (),
                                p.float_value ());
          else if (isfloat)
            retval = xrownorms (x.float_matrix_value (),
                                p.float_value ());
          else if (iscomplex)
            retval = xrownorms (x.complex_matrix_value (),
                                p.double_value ());
          else
            retval = xrownorms (x.matrix_value (),
                                p.double_value ());
        }
    }
  else
    gripe_wrong_type_arg ("xrownorms", x, true);

  return retval;
}

octave_value xfrobnorm (const octave_value& x)
{
  octave_value retval;

  bool iscomplex = x.is_complex_type ();
  bool issparse = x.is_sparse_type ();
  bool isfloat = x.is_single_type ();

  if (isfloat || x.is_double_type ())
    {
      if (issparse)
        {
          if (iscomplex)
            retval = xfrobnorm (x.sparse_complex_matrix_value ());
          else
            retval = xfrobnorm (x.sparse_matrix_value ());
        }
      else
        {
          if (isfloat & iscomplex)
            retval = xfrobnorm (x.float_complex_matrix_value ());
          else if (isfloat)
            retval = xfrobnorm (x.float_matrix_value ());
          else if (iscomplex)
            retval = xfrobnorm (x.complex_matrix_value ());
          else
            retval = xfrobnorm (x.matrix_value ());
        }
    }
  else
    gripe_wrong_type_arg ("xfrobnorm", x, true);

  return retval;
}