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
|
//------------------------------------------------------------------------------
// GB_mex_assign_scalar: C<Mask>(I,J) = accum (C (I,J), Scalar)
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB_mex.h"
#define USAGE "C = GB_mex_assign_scalar(C,Mask,acc,S,I,J,desc)"
#define FREE_ALL \
{ \
GrB_Matrix_free_(&A) ; \
GrB_Matrix_free_(&Mask) ; \
GrB_Matrix_free_(&C) ; \
GrB_Descriptor_free_(&desc) ; \
GB_mx_put_global (true) ; \
}
#define GET_DEEP_COPY \
C = GB_mx_mxArray_to_Matrix (pargin [0], "C input", true, true) ;
#define FREE_DEEP_COPY GrB_Matrix_free_(&C) ;
GrB_Matrix C = NULL ;
GrB_Matrix Mask = NULL ;
GrB_Matrix A = NULL ;
GrB_Descriptor desc = NULL ;
GrB_BinaryOp accum = NULL ;
GrB_Index *I = NULL, ni = 0, I_range [3] ;
GrB_Index *J = NULL, nj = 0, J_range [3] ;
bool ignore ;
bool malloc_debug = false ;
GrB_Info info = GrB_SUCCESS ;
int C_sparsity_control ;
//------------------------------------------------------------------------------
// assign: perform a single assignment
//------------------------------------------------------------------------------
#define OK(method) \
{ \
info = method ; \
if (info != GrB_SUCCESS) \
{ \
return (info) ; \
} \
}
//------------------------------------------------------------------------------
// GB_mex_assign_scalar mexFunction
//------------------------------------------------------------------------------
void mexFunction
(
int nargout,
mxArray *pargout [ ],
int nargin,
const mxArray *pargin [ ]
)
{
C = NULL ;
Mask = NULL ;
A = NULL ;
desc = NULL ;
accum = NULL ;
I = NULL ; ni = 0 ;
J = NULL ; nj = 0 ;
info = GrB_SUCCESS ;
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
malloc_debug = GB_mx_get_global (true) ;
A = NULL ;
C = NULL ;
Mask = NULL ;
desc = NULL ;
// check inputs
if (nargout > 1 || nargin != 7 )
{
mexErrMsgTxt ("Usage: " USAGE) ;
}
// get C (make a deep copy)
GET_DEEP_COPY ;
if (C == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("C failed") ;
}
// get Mask (deep copy)
Mask = GB_mx_mxArray_to_Matrix (pargin [1], "Mask", true, false) ;
if (Mask == NULL && !mxIsEmpty (pargin [1]))
{
FREE_ALL ;
mexErrMsgTxt ("Mask failed") ;
}
// get A (deep copy)
A = GB_mx_mxArray_to_Matrix (pargin [3], "S", true, true) ;
if (A == NULL)
{
FREE_ALL ;
mexErrMsgTxt ("S failed") ;
}
if (GB_NROWS (A) != 1 || GB_NCOLS (A) != 1)
{
mexErrMsgTxt ("S must be a scalar") ;
}
// get accum, if present
bool user_complex = (Complex != GxB_FC64)
&& (C->type == Complex || A->type == Complex) ;
accum = NULL ;
if (!GB_mx_mxArray_to_BinaryOp (&accum, pargin [2], "accum",
C->type, user_complex))
{
FREE_ALL ;
mexErrMsgTxt ("accum failed") ;
}
// get I
if (!GB_mx_mxArray_to_indices (&I, pargin [4], &ni, I_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("I failed") ;
}
// get J
if (!GB_mx_mxArray_to_indices (&J, pargin [5], &nj, J_range, &ignore))
{
FREE_ALL ;
mexErrMsgTxt ("J failed") ;
}
// get desc
if (!GB_mx_mxArray_to_Descriptor (&desc, PARGIN (6), "desc"))
{
FREE_ALL ;
mexErrMsgTxt ("desc failed") ;
}
// use GrB_Matrix_assign_Scalar or GrB_Vector_assign_Scalar
GrB_Scalar S = (GrB_Scalar) A ;
if (GB_VECTOR_OK (C) && (Mask == NULL || GB_VECTOR_OK (Mask)))
{
METHOD (GrB_Vector_assign_Scalar ((GrB_Vector) C, (GrB_Vector) Mask,
accum, S, I, ni, desc)) ;
}
else
{
METHOD (GrB_Matrix_assign_Scalar ((GrB_Matrix) C, (GrB_Matrix) Mask,
accum, S, I, ni, J, nj, desc)) ;
}
//--------------------------------------------------------------------------
// return C as a struct
//--------------------------------------------------------------------------
pargout [0] = GB_mx_Matrix_to_mxArray (&C, "C assign result", true) ;
FREE_ALL ;
}
|
