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
|
/* multifit/work.c
*
* Copyright (C) 2000 Brian Gough
*
* This program 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 2 of the License, or (at
* your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <gsl/gsl_errno.h>
#include <gsl/gsl_multifit.h>
gsl_multifit_linear_workspace *
gsl_multifit_linear_alloc (size_t n, size_t p)
{
gsl_multifit_linear_workspace *w;
w = (gsl_multifit_linear_workspace *)
malloc (sizeof (gsl_multifit_linear_workspace));
if (w == 0)
{
GSL_ERROR_VAL ("failed to allocate space for multifit_linear struct",
GSL_ENOMEM, 0);
}
w->n = n; /* number of observations */
w->p = p; /* number of parameters */
w->A = gsl_matrix_alloc (n, p);
if (w->A == 0)
{
free (w);
GSL_ERROR_VAL ("failed to allocate space for A", GSL_ENOMEM, 0);
}
w->Q = gsl_matrix_alloc (p, p);
if (w->Q == 0)
{
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for Q", GSL_ENOMEM, 0);
}
w->QSI = gsl_matrix_alloc (p, p);
if (w->QSI == 0)
{
gsl_matrix_free (w->Q);
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for QSI", GSL_ENOMEM, 0);
}
w->S = gsl_vector_alloc (p);
if (w->S == 0)
{
gsl_matrix_free (w->QSI);
gsl_matrix_free (w->Q);
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for S", GSL_ENOMEM, 0);
}
w->t = gsl_vector_alloc (n);
if (w->t == 0)
{
gsl_vector_free (w->S);
gsl_matrix_free (w->QSI);
gsl_matrix_free (w->Q);
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for t", GSL_ENOMEM, 0);
}
w->xt = gsl_vector_calloc (p);
if (w->xt == 0)
{
gsl_vector_free (w->t);
gsl_vector_free (w->S);
gsl_matrix_free (w->QSI);
gsl_matrix_free (w->Q);
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for xt", GSL_ENOMEM, 0);
}
w->D = gsl_vector_calloc (p);
if (w->D == 0)
{
gsl_vector_free (w->D);
gsl_vector_free (w->t);
gsl_vector_free (w->S);
gsl_matrix_free (w->QSI);
gsl_matrix_free (w->Q);
gsl_matrix_free (w->A);
free (w);
GSL_ERROR_VAL ("failed to allocate space for xt", GSL_ENOMEM, 0);
}
return w;
}
void
gsl_multifit_linear_free (gsl_multifit_linear_workspace * work)
{
gsl_matrix_free (work->A);
gsl_matrix_free (work->Q);
gsl_matrix_free (work->QSI);
gsl_vector_free (work->S);
gsl_vector_free (work->t);
gsl_vector_free (work->xt);
gsl_vector_free (work->D);
free (work);
}
|
