1 /* vector/prop_source.c
2 *
3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Gerard Jungman, Brian Gough
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 */
19
20 int
FUNCTION(gsl_vector,isnull)21 FUNCTION (gsl_vector, isnull) (const TYPE (gsl_vector) * v)
22 {
23 const size_t n = v->size;
24 const size_t stride = v->stride ;
25
26 size_t j;
27
28 for (j = 0; j < n; j++)
29 {
30 size_t k;
31
32 for (k = 0; k < MULTIPLICITY; k++)
33 {
34 if (v->data[MULTIPLICITY * stride * j + k] != 0.0)
35 {
36 return 0;
37 }
38 }
39 }
40
41 return 1;
42 }
43
44 int
FUNCTION(gsl_vector,ispos)45 FUNCTION (gsl_vector, ispos) (const TYPE (gsl_vector) * v)
46 {
47 const size_t n = v->size;
48 const size_t stride = v->stride ;
49
50 size_t j;
51
52 for (j = 0; j < n; j++)
53 {
54 size_t k;
55
56 for (k = 0; k < MULTIPLICITY; k++)
57 {
58 if (v->data[MULTIPLICITY * stride * j + k] <= 0.0)
59 {
60 return 0;
61 }
62 }
63 }
64
65 return 1;
66 }
67
68 int
FUNCTION(gsl_vector,isneg)69 FUNCTION (gsl_vector, isneg) (const TYPE (gsl_vector) * v)
70 {
71 const size_t n = v->size;
72 const size_t stride = v->stride ;
73
74 size_t j;
75
76 for (j = 0; j < n; j++)
77 {
78 size_t k;
79
80 for (k = 0; k < MULTIPLICITY; k++)
81 {
82 if (v->data[MULTIPLICITY * stride * j + k] >= 0.0)
83 {
84 return 0;
85 }
86 }
87 }
88
89 return 1;
90 }
91
92 int
FUNCTION(gsl_vector,isnonneg)93 FUNCTION (gsl_vector, isnonneg) (const TYPE (gsl_vector) * v)
94 {
95 const size_t n = v->size;
96 const size_t stride = v->stride ;
97
98 size_t j;
99
100 for (j = 0; j < n; j++)
101 {
102 size_t k;
103
104 for (k = 0; k < MULTIPLICITY; k++)
105 {
106 if (v->data[MULTIPLICITY * stride * j + k] < 0.0)
107 {
108 return 0;
109 }
110 }
111 }
112
113 return 1;
114 }
115
116