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
|
//------------------------------------------------------------------------------
// GB_subassign_06d: C(:,:)<A> = A; C is full/bitmap, M and A are aliased
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// Method 06d: C(:,:)<A> = A ; no S, C is dense, M and A are aliased
// M: present, and aliased to A
// Mask_comp: false
// Mask_struct: true or false
// C_replace: false
// accum: NULL
// A: matrix, and aliased to M
// S: none
// C must be bitmap or full. No entries are deleted and thus no zombies
// are introduced into C. C can be hypersparse, sparse, bitmap, or full, and
// its sparsity structure does not change. If C is hypersparse, sparse, or
// full, then the pattern does not change (all entries are present, and this
// does not change), and these cases can all be treated the same (as if full).
// If C is bitmap, new entries can be inserted into the bitmap C->b.
// C and A can have any sparsity structure.
#include "assign/GB_subassign_methods.h"
#include "assign/GB_subassign_dense.h"
#include "jitifyer/GB_stringify.h"
#ifndef GBCOMPACT
#include "GB_control.h"
#include "FactoryKernels/GB_as__include.h"
#endif
#define GB_GENERIC
#define GB_SCALAR_ASSIGN 0
#include "assign/include/GB_assign_shared_definitions.h"
#undef GB_FREE_ALL
#define GB_FREE_ALL ;
GrB_Info GB_subassign_06d
(
GrB_Matrix C,
// input:
const GrB_Matrix A,
bool Mask_struct,
GB_Werk Werk
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GrB_Info info ;
GrB_Matrix S = NULL ; // not constructed
ASSERT_MATRIX_OK (C, "C for subassign method_06d", GB0) ;
ASSERT (!GB_ZOMBIES (C)) ;
ASSERT (!GB_JUMBLED (C)) ;
ASSERT (!GB_PENDING (C)) ;
ASSERT (GB_IS_BITMAP (C) || GB_IS_FULL (C)) ;
ASSERT (!GB_any_aliased (C, A)) ; // NO ALIAS of C==A
ASSERT_MATRIX_OK (A, "A for subassign method_06d", GB0) ;
ASSERT (!GB_ZOMBIES (A)) ;
ASSERT (GB_JUMBLED_OK (A)) ;
ASSERT (!GB_PENDING (A)) ;
//--------------------------------------------------------------------------
// get inputs
//--------------------------------------------------------------------------
int nthreads_max = GB_Context_nthreads_max ( ) ;
double chunk = GB_Context_chunk ( ) ;
const GB_Type_code ccode = C->type->code ;
//--------------------------------------------------------------------------
// Method 06d: C(:,:)<A> = A ; no S; C is dense, M and A are aliased
//--------------------------------------------------------------------------
// Time: Optimal: the method must iterate over all entries in A,
// and the time is O(nnz(A)).
//--------------------------------------------------------------------------
// C<A> = A for built-in types
//--------------------------------------------------------------------------
info = GrB_NO_VALUE ;
if (C->iso)
{
//----------------------------------------------------------------------
// via the iso kernel
//----------------------------------------------------------------------
// Since C is iso, A must be iso (or effectively iso), which is also
// the mask M. An iso mask matrix M is converted into a structural
// mask by GB_get_mask, and thus Mask_struct must be true if C is iso.
ASSERT (Mask_struct) ;
#define GB_ISO_ASSIGN
#undef GB_MASK_STRUCT
#define GB_MASK_STRUCT 1
#undef GB_C_ISO
#define GB_C_ISO 1
#include "assign/template/GB_subassign_06d_template.c"
#undef GB_MASK_STRUCT
#undef GB_C_ISO
info = GrB_SUCCESS ;
}
else
{
//----------------------------------------------------------------------
// via the factory kernel
//----------------------------------------------------------------------
#ifndef GBCOMPACT
GB_IF_FACTORY_KERNELS_ENABLED
{
//------------------------------------------------------------------
// define the worker for the switch factory
//------------------------------------------------------------------
#define GB_sub06d(cname) GB (_subassign_06d_ ## cname)
#define GB_WORKER(cname) \
{ \
info = GB_sub06d(cname) (C, A, Mask_struct, Werk) ; \
} \
break ;
//------------------------------------------------------------------
// launch the switch factory
//------------------------------------------------------------------
if (C->type == A->type && ccode < GB_UDT_code)
{
// C<A> = A
#include "assign/factory/GB_assign_factory.c"
}
}
#endif
//----------------------------------------------------------------------
// via the JIT or PreJIT kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
info = GB_subassign_jit (C,
/* C_replace: */ false,
/* I, ni, nI, Ikind, Icolon: */ NULL, false, 0, 0, GB_ALL, NULL,
/* J, nj, nJ, Jkind, Jcolon: */ NULL, false, 0, 0, GB_ALL, NULL,
/* M and A are aliased: */ A,
/* Mask_comp: */ false,
Mask_struct,
/* accum: */ NULL,
/* A: */ A,
/* scalar, scalar_type: */ NULL, NULL,
/* S: */ NULL,
GB_SUBASSIGN, GB_JIT_KERNEL_SUBASSIGN_06d, "subassign_06d",
Werk) ;
}
//----------------------------------------------------------------------
// via the generic kernel
//----------------------------------------------------------------------
if (info == GrB_NO_VALUE)
{
#include "generic/GB_generic.h"
GB_BURBLE_MATRIX (A, "(generic C(:,:)<A>=A assign) ") ;
const size_t csize = C->type->size ;
const size_t asize = A->type->size ;
const GB_Type_code acode = A->type->code ;
GB_cast_function cast_A_to_C = GB_cast_factory (ccode, acode) ;
#undef GB_AX_MASK
#define GB_AX_MASK(Ax,pA,asize) GB_MCAST (Ax, pA, asize)
#undef GB_C_ISO
#define GB_C_ISO 0
#undef GB_MASK_STRUCT
#define GB_MASK_STRUCT Mask_struct
#include "assign/template/GB_subassign_06d_template.c"
info = GrB_SUCCESS ;
}
}
//--------------------------------------------------------------------------
// free workspace and return result
//--------------------------------------------------------------------------
if (info == GrB_SUCCESS)
{
ASSERT_MATRIX_OK (C, "C output for subassign method_06d", GB0) ;
}
return (info) ;
}
|
