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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
//------------------------------------------------------------------------------
// GB_bitmap_assign_notM_noaccum: assign to C bitmap
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// C<!M>(I,J) = A assign
// C(I,J)<!M> = A subassign
// C<!M,repl>(I,J) = A assign
// C(I,J)<!M,repl> = A subassign
//------------------------------------------------------------------------------
// C: bitmap
// M: present, hypersparse or sparse (not bitmap or full)
// Mask_comp: true
// Mask_struct: true or false
// C_replace: true or false
// accum: not present
// A: matrix (hyper, sparse, bitmap, or full), or scalar
// kind: assign, row assign, col assign, or subassign
#include "GB_bitmap_assign_methods.h"
#define GB_FREE_ALL \
{ \
GB_WERK_POP (M_ek_slicing, int64_t) ; \
}
GrB_Info GB_bitmap_assign_notM_noaccum
(
// input/output:
GrB_Matrix C, // input/output matrix in bitmap format
// inputs:
const bool C_replace, // descriptor for C
const GrB_Index *I, // I index list
const int64_t nI,
const int Ikind,
const int64_t Icolon [3],
const GrB_Index *J, // J index list
const int64_t nJ,
const int Jkind,
const int64_t Jcolon [3],
const GrB_Matrix M, // mask matrix
// const bool Mask_comp, // true here, for !M only
const bool Mask_struct, // true if M is structural, false if valued
// const GrB_BinaryOp accum, // not present
const GrB_Matrix A, // input matrix, not transposed
const void *scalar, // input scalar
const GrB_Type scalar_type, // type of input scalar
const int assign_kind, // row assign, col assign, assign, or subassign
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GBURBLE_BITMAP_ASSIGN ("bit8", M, true, NULL,
Ikind, Jkind, assign_kind) ;
ASSERT (GB_IS_HYPERSPARSE (M) || GB_IS_SPARSE (M)) ;
ASSERT_MATRIX_OK (C, "C for bitmap assign, !M, noaccum", GB0) ;
ASSERT_MATRIX_OK (M, "M for bitmap assign, !M, noaccum", GB0) ;
ASSERT_MATRIX_OK_OR_NULL (A, "A for bitmap assign, !M, noaccum", GB0) ;
//--------------------------------------------------------------------------
// get inputs
//--------------------------------------------------------------------------
GB_GET_C_BITMAP ; // C must be bitmap
GB_SLICE_M
GB_GET_A_AND_SCALAR
//--------------------------------------------------------------------------
// scatter M into the bitmap of C
//--------------------------------------------------------------------------
// Cb [pC] += 2 for each entry M(i,j) in the mask
GB_bitmap_M_scatter (C, I, nI, Ikind, Icolon, J, nJ, Jkind, Jcolon,
M, Mask_struct, assign_kind, GB_BITMAP_M_SCATTER_PLUS_2,
M_ek_slicing, M_ntasks, M_nthreads, Context) ;
// Cb (i,j) = 0: cij not present, mij zero: can be modified
// Cb (i,j) = 1: cij present, mij zero: can be modified,
// but delete if aij not present
// Cb (i,j) = 2: cij not present, mij == 1: do not modify
// Cb (i,j) = 3: cij present, mij == 1: do not modify
//--------------------------------------------------------------------------
// assign A into C
//--------------------------------------------------------------------------
if (A == NULL)
{
//----------------------------------------------------------------------
// scalar assignment: C<!M>(I,J) = scalar
//----------------------------------------------------------------------
// for all IxJ
#define GB_IXJ_WORK(pC,ignore) \
{ \
int8_t cb = Cb [pC] ; \
if (cb <= 1) \
{ \
/* Cx [pC] = scalar */ \
GB_ASSIGN_SCALAR (pC) ; \
Cb [pC] = 1 ; \
task_cnvals += (cb == 0) ; \
} \
else if (C_replace) \
{ \
/* delete this entry */ \
Cb [pC] = 0 ; \
task_cnvals -= (cb == 3) ; \
} \
else \
{ \
/* keep this entry */ \
Cb [pC] = (cb == 3) ; \
} \
}
#include "GB_bitmap_assign_IxJ_template.c"
}
else
{
//----------------------------------------------------------------------
// matrix assignment: C<!M>(I,J) = A
//----------------------------------------------------------------------
// for all entries aij in A (A can be hyper, sparse, bitmap, or full)
// if Cb(p) == 0 // C(iC,jC) is now present, insert
// Cx(p) = aij //
// Cb(p) = 4 // keep it
// task_cnvals++
// if Cb(p) == 1 // C(iC,jC) still present, updated
// Cx(p) = aij //
// Cb(p) = 4 // keep it
// if Cb(p) == 2 // do nothing
// if Cb(p) == 3 // do nothing
#define GB_AIJ_WORK(pC,pA) \
{ \
int8_t cb = Cb [pC] ; \
if (cb <= 1) \
{ \
/* Cx [pC] = Ax [pA] */ \
GB_ASSIGN_AIJ (pC, pA) ; \
Cb [pC] = 4 ; \
task_cnvals += (cb == 0) ; \
} \
}
#include "GB_bitmap_assign_A_template.c"
//----------------------------------------------------------------------
// handle entries in IxJ
//----------------------------------------------------------------------
if (C_replace)
{
// for all IxJ
#undef GB_IXJ_WORK
#define GB_IXJ_WORK(pC,ignore) \
{ \
int8_t cb = Cb [pC] ; \
Cb [pC] = (cb == 4) ; \
task_cnvals -= (cb == 1 || cb == 3) ; \
}
#include "GB_bitmap_assign_IxJ_template.c"
}
else
{
// for all IxJ
#undef GB_IXJ_WORK
#define GB_IXJ_WORK(pC,ignore) \
{ \
int8_t cb = Cb [pC] ; \
Cb [pC] = (cb == 4 || cb == 3) ; \
task_cnvals -= (cb == 1) ; \
}
#include "GB_bitmap_assign_IxJ_template.c"
}
}
//--------------------------------------------------------------------------
// handle entries outside of IxJ
//--------------------------------------------------------------------------
if (assign_kind == GB_SUBASSIGN)
{
// see above. no more work to do
}
else
{
#define GB_NO_SUBASSIGN_CASE
if (C_replace)
{
// for all entries in C. Also clears M from C
#define GB_CIJ_WORK(pC) \
{ \
int8_t cb = Cb [pC] ; \
Cb [pC] = (cb == 1) ; \
task_cnvals -= (cb == 3) ; \
}
#include "GB_bitmap_assign_C_template.c"
}
else
{
// clear M from C
// Cb [pC] %= 2 for each entry M(i,j) in the mask
GB_bitmap_M_scatter (C, I, nI, Ikind, Icolon, J, nJ, Jkind, Jcolon,
M, Mask_struct, assign_kind, GB_BITMAP_M_SCATTER_MOD_2,
M_ek_slicing, M_ntasks, M_nthreads, Context) ;
}
}
//--------------------------------------------------------------------------
// free workspace and return result
//--------------------------------------------------------------------------
C->nvals = cnvals ;
GB_FREE_ALL ;
ASSERT_MATRIX_OK (C, "final C for bitmap assign, !M, noaccum", GB0) ;
return (GrB_SUCCESS) ;
}
|
