GRASS 8 Programmer's Manual 8.5.0(2026)-8d6ceba290
Loading...
Searching...
No Matches
check.c
Go to the documentation of this file.
1#include <grass/calc.h>
2
3int c_int0(int argc, int *argt)
4{
5 if (argc > 0)
6 return E_ARG_HI;
7
8 argt[0] = CELL_TYPE;
9
10 return 0;
11}
12
13int c_double0(int argc, int *argt)
14{
15 if (argc > 0)
16 return E_ARG_HI;
17
18 argt[0] = DCELL_TYPE;
19
20 return 0;
21}
22
23int c_double1(int argc, int *argt)
24{
25 if (argc < 1)
26 return E_ARG_LO;
27 if (argc > 1)
28 return E_ARG_HI;
29
30 argt[0] = DCELL_TYPE;
31 argt[1] = DCELL_TYPE;
32
33 return 0;
34}
35
36int c_double12(int argc, int *argt)
37{
38 if (argc < 1)
39 return E_ARG_LO;
40
41 if (argc > 2)
42 return E_ARG_HI;
43
44 argt[0] = DCELL_TYPE;
45 argt[1] = DCELL_TYPE;
46 if (argc == 2)
47 argt[2] = DCELL_TYPE;
48
49 return 0;
50}
51
52int c_unop(int argc, int *argt)
53{
54 if (argc < 1)
55 return E_ARG_LO;
56 if (argc > 1)
57 return E_ARG_HI;
58
59 argt[0] = argt[1];
60
61 return 0;
62}
63
64int c_binop(int argc, int *argt)
65{
66 if (argc < 2)
67 return E_ARG_LO;
68 if (argc > 2)
69 return E_ARG_HI;
70
71 argt[0] = CELL_TYPE;
72 if (argt[1] == FCELL_TYPE || argt[2] == FCELL_TYPE)
73 argt[0] = FCELL_TYPE;
74 if (argt[1] == DCELL_TYPE || argt[2] == DCELL_TYPE)
75 argt[0] = DCELL_TYPE;
76
77 argt[1] = argt[0];
78 argt[2] = argt[0];
79
80 return 0;
81}
82
83int c_varop(int argc, int *argt)
84{
85 int i;
86
87 if (argc < 1)
88 return E_ARG_LO;
89
90 argt[0] = CELL_TYPE;
91
92 for (i = 1; i <= argc; i++)
93 if (argt[i] == FCELL_TYPE)
94 argt[0] = FCELL_TYPE;
95
96 for (i = 1; i <= argc; i++)
97 if (argt[i] == DCELL_TYPE)
98 argt[0] = DCELL_TYPE;
99
100 for (i = 1; i <= argc; i++)
101 argt[i] = argt[0];
102
103 return 0;
104}
105
106int c_cmpop(int argc, int *argt)
107{
108 int arg_type;
109
110 if (argc < 2)
111 return E_ARG_LO;
112 if (argc > 2)
113 return E_ARG_HI;
114
115 argt[0] = CELL_TYPE;
116
117 arg_type = CELL_TYPE;
118 if (argt[1] == FCELL_TYPE || argt[2] == FCELL_TYPE)
119 arg_type = FCELL_TYPE;
120 if (argt[1] == DCELL_TYPE || argt[2] == DCELL_TYPE)
121 arg_type = DCELL_TYPE;
122
123 argt[1] = arg_type;
124 argt[2] = arg_type;
125
126 return 0;
127}
128
129int c_logop(int argc, int *argt)
130{
131 int i;
132
133 if (argc < 1)
134 return E_ARG_LO;
135
136 for (i = 1; i <= argc; i++)
137 if (argt[i] != CELL_TYPE)
138 return E_ARG_TYPE;
139
140 argt[0] = CELL_TYPE;
141
142 return 0;
143}
144
145int c_shiftop(int argc, int *argt)
146{
147 if (argc < 2)
148 return E_ARG_LO;
149 if (argc > 2)
150 return E_ARG_HI;
151
152 if (argt[1] != CELL_TYPE || argt[2] != CELL_TYPE)
153 return E_ARG_TYPE;
154
155 argt[0] = CELL_TYPE;
156
157 return 0;
158}
c_varop
int c_varop(int argc, int *argt)
Definition check.c:83
c_binop
int c_binop(int argc, int *argt)
Definition check.c:64
c_double12
int c_double12(int argc, int *argt)
Definition check.c:36
c_int0
int c_int0(int argc, int *argt)
Definition check.c:3
c_double1
int c_double1(int argc, int *argt)
Definition check.c:23
c_logop
int c_logop(int argc, int *argt)
Definition check.c:129
c_double0
int c_double0(int argc, int *argt)
Definition check.c:13
c_unop
int c_unop(int argc, int *argt)
Definition check.c:52
c_cmpop
int c_cmpop(int argc, int *argt)
Definition check.c:106
c_shiftop
int c_shiftop(int argc, int *argt)
Definition check.c:145