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
|
//------------------------------------------------------------------------------
// GB_mex_Vector_extractElement: MATLAB interface for x = v(i)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2020, All Rights Reserved.
// http://suitesparse.com See GraphBLAS/Doc/License.txt for license.
//------------------------------------------------------------------------------
#include "GB_mex.h"
#define USAGE "y = GB_mex_Vector_extractElement (v, I, xtype)"
#define FREE_ALL \
{ \
GrB_Vector_free_(&v) ; \
GB_mx_put_global (true, 0) ; \
}
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
bool malloc_debug = GB_mx_get_global (true) ;
GrB_Vector v = NULL ;
GB_void *Y = NULL ;
GrB_Index *I = NULL, ni = 0, I_range [3] ;
bool is_list ;
// check inputs
GB_WHERE (USAGE) ;
if (nargout > 1 || nargin < 2 || nargin > 3)
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
#define GET_DEEP_COPY ;
#define FREE_DEEP_COPY ;
// get v (shallow copy)
v = GB_mx_mxArray_to_Vector (pargin [0], "v input", false, true) ;
if (v == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("v failed") ;
}
// get I
if (!GB_mx_mxArray_to_indices (&I, pargin [1], &ni, I_range, &is_list))
{
FREE_ALL ;
mexErrMsgTxt ("I failed") ;
}
if (!is_list)
{
mexErrMsgTxt ("I must be a list") ;
}
// get xtype
GrB_Type xtype = GB_mx_string_to_Type (PARGIN (2), v->type) ;
// create output x
pargout [0] = GB_mx_create_full (ni, 1, xtype) ;
Y = mxGetData (pargout [0]) ;
size_t s = 2 * sizeof (double) ;
// x = v (i)
switch (xtype->code)
{
case GB_BOOL_code :
for (int64_t k = 0 ; k < ni ; k++)
{
bool *X = (bool *) Y ;
METHOD (GrB_Vector_extractElement_BOOL_(&X [k], v, I [k])) ;
}
break ;
case GB_INT8_code :
for (int64_t k = 0 ; k < ni ; k++)
{
int8_t *X = (int8_t *) Y ;
METHOD (GrB_Vector_extractElement_INT8_(&X [k], v, I [k])) ;
}
break ;
case GB_UINT8_code :
for (int64_t k = 0 ; k < ni ; k++)
{
uint8_t *X = (uint8_t *) Y ;
METHOD (GrB_Vector_extractElement_UINT8_(&X [k], v, I [k])) ;
}
break ;
case GB_INT16_code :
for (int64_t k = 0 ; k < ni ; k++)
{
int16_t *X = (int16_t *) Y ;
METHOD (GrB_Vector_extractElement_INT16_(&X [k], v, I [k])) ;
}
break ;
case GB_UINT16_code :
for (int64_t k = 0 ; k < ni ; k++)
{
uint16_t *X = (uint16_t *) Y ;
METHOD (GrB_Vector_extractElement_UINT16_(&X [k], v, I [k])) ;
}
break ;
case GB_INT32_code :
for (int64_t k = 0 ; k < ni ; k++)
{
int32_t *X = (int32_t *) Y ;
METHOD (GrB_Vector_extractElement_INT32_(&X [k], v, I [k])) ;
}
break ;
case GB_UINT32_code :
for (int64_t k = 0 ; k < ni ; k++)
{
uint32_t *X = (uint32_t *) Y ;
METHOD (GrB_Vector_extractElement_UINT32_(&X [k], v, I [k])) ;
}
break ;
case GB_INT64_code :
for (int64_t k = 0 ; k < ni ; k++)
{
int64_t *X = (int64_t *) Y ;
METHOD (GrB_Vector_extractElement_INT64_(&X [k], v, I [k])) ;
}
break ;
case GB_UINT64_code :
for (int64_t k = 0 ; k < ni ; k++)
{
uint64_t *X = (uint64_t *) Y ;
METHOD (GrB_Vector_extractElement_UINT64_(&X [k], v, I [k])) ;
}
break ;
case GB_FP32_code :
for (int64_t k = 0 ; k < ni ; k++)
{
float *X = (float *) Y ;
METHOD (GrB_Vector_extractElement_FP32_(&X [k], v, I [k])) ;
}
break ;
case GB_FP64_code :
for (int64_t k = 0 ; k < ni ; k++)
{
double *X = (double *) Y ;
METHOD (GrB_Vector_extractElement_FP64_(&X [k], v, I [k])) ;
}
break;
case GB_FC32_code :
for (int64_t k = 0 ; k < ni ; k++)
{
GxB_FC32_t *X = (void *) Y ;
METHOD (GxB_Vector_extractElement_FC32_(&X [k], v, I [k])) ;
}
break;
case GB_FC64_code :
for (int64_t k = 0 ; k < ni ; k++)
{
GxB_FC64_t *X = (void *) Y ;
METHOD (GxB_Vector_extractElement_FC64_(&X [k], v, I [k])) ;
}
break;
case GB_UDT_code :
// user-defined Complex
for (int64_t k = 0 ; k < ni ; k++)
{
GxB_FC64_t *X = (void *) Y ;
METHOD (GrB_Vector_extractElement_UDT (&X [k], v, I [k])) ;
}
break;
default : FREE_ALL ; mexErrMsgTxt ("unsupported type") ;
}
FREE_ALL ;
}
|
