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
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
|
//------------------------------------------------------------------------------
// GB_bitmap_assign_notM_accum_whole: assign to C bitmap
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2022, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// C<!M> += A assign
// C<!M> += A subassign
// C<!M,repl> += A assign
// C<!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: present
// A: matrix (hyper, sparse, bitmap, or full), or scalar
// kind: assign or subassign (same action)
#include "GB_bitmap_assign_methods.h"
#define GB_FREE_ALL \
{ \
GB_WERK_POP (M_ek_slicing, int64_t) ; \
}
GrB_Info GB_bitmap_assign_notM_accum_whole
(
// input/output:
GrB_Matrix C, // input/output matrix in bitmap format
// inputs:
const bool C_replace, // descriptor for C
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, // present
const GrB_Matrix A, // input matrix, not transposed
const void *scalar, // input scalar
const GrB_Type scalar_type, // type of input scalar
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GBURBLE_BITMAP_ASSIGN ("bit7:whole", M, true, accum,
GB_ALL, GB_ALL, GB_ASSIGN) ;
ASSERT (GB_IS_HYPERSPARSE (M) || GB_IS_SPARSE (M)) ;
ASSERT (GB_JUMBLED_OK (M)) ;
ASSERT_MATRIX_OK (C, "C for bitmap assign, !M, accum", GB0) ;
ASSERT_MATRIX_OK (M, "M for bitmap assign, !M, accum", GB0) ;
ASSERT_MATRIX_OK_OR_NULL (A, "A for bitmap assign, !M, accum", GB0) ;
//--------------------------------------------------------------------------
// get inputs
//--------------------------------------------------------------------------
GB_GET_C_BITMAP ; // C must be bitmap
GB_SLICE_M
GB_GET_A_AND_SCALAR
GB_GET_ACCUM_FOR_BITMAP
//--------------------------------------------------------------------------
// scatter M
//--------------------------------------------------------------------------
// Cb [pC] += 2 for each entry M(i,j) in the mask
GB_bitmap_M_scatter_whole (C,
M, Mask_struct, GB_BITMAP_M_SCATTER_PLUS_2,
M_ek_slicing, M_ntasks, M_nthreads, Context) ;
// the bitmap of C now contains:
// Cb (i,j) = 0: cij not present, mij zero
// Cb (i,j) = 1: cij present, mij zero
// Cb (i,j) = 2: cij not present, mij 1
// Cb (i,j) = 3: cij present, mij 1
//--------------------------------------------------------------------------
// do the assignment
//--------------------------------------------------------------------------
if (A == NULL)
{
//----------------------------------------------------------------------
// scalar assignment: C<!M, replace or !replace> += scalar
//----------------------------------------------------------------------
if (C_replace)
{
//------------------------------------------------------------------
// C<!M,replace> += scalar
//------------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
switch (Cb [pC]) \
{ \
case 0: /* C(i,j) not present, !M(i,j) = 1 */ \
/* Cx [pC] = scalar */ \
GB_ASSIGN_SCALAR (pC) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
break ; \
case 1: /* C(i,j) present, !M(i,j) = 1 */ \
/* Cx [pC] += scalar */ \
GB_ACCUM_SCALAR (pC) ; \
break ; \
case 2: /* C(i,j) not present, !M(i,j) = 0 */ \
/* clear the mask from C */ \
Cb [pC] = 0 ; \
break ; \
case 3: /* C(i,j) present, !M(i,j) = 0 */ \
/* delete this entry */ \
Cb [pC] = 0 ; \
task_cnvals-- ; \
break ; \
default: ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
else
{
//------------------------------------------------------------------
// C<!M> += scalar
//------------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
switch (Cb [pC]) \
{ \
case 0: /* C(i,j) not present, !M(i,j) = 1 */ \
/* Cx [pC] = scalar */ \
GB_ASSIGN_SCALAR (pC) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
break ; \
case 1: /* C(i,j) present, !M(i,j) = 1 */ \
/* Cx [pC] += scalar */ \
GB_ACCUM_SCALAR (pC) ; \
break ; \
case 2: /* C(i,j) not present, !M(i,j) = 0 */ \
/* clear the mask from C */ \
Cb [pC] = 0 ; \
break ; \
case 3: /* C(i,j) present, !M(i,j) = 0 */ \
/* C(i,j) remains; clear the mask from C */ \
Cb [pC] = 1 ; \
break ; \
default: ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
}
else
{
//----------------------------------------------------------------------
// matrix assignment: C<!M, replace or !replace> += A
//----------------------------------------------------------------------
if (GB_IS_BITMAP (A) || GB_IS_FULL (A))
{
//------------------------------------------------------------------
// C<!M, replace or !replace> += A where A is bitmap or full
//------------------------------------------------------------------
if (C_replace)
{
//--------------------------------------------------------------
// C<!M, replace> += A where A is bitmap or full
//--------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
switch (Cb [pC]) \
{ \
case 0: /* C(i,j) not present, !M(i,j) = 1 */ \
if (GBB (Ab, pC)) \
{ \
/* Cx [pC] = Ax [pC] */ \
GB_ASSIGN_AIJ (pC, pC) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
} \
break ; \
case 1: /* C(i,j) present, !M(i,j) = 1 */ \
if (GBB (Ab, pC)) \
{ \
/* Cx [pC] += Ax [pC] */ \
GB_ACCUM_AIJ (pC, pC) ; \
} \
break ; \
case 2: /* C(i,j) not present, !M(i,j) = 0 */ \
/* clear the mask from C */ \
Cb [pC] = 0 ; \
break ; \
case 3: /* C(i,j) present, !M(i,j) = 0 */ \
/* delete this entry */ \
Cb [pC] = 0 ; \
task_cnvals-- ; \
break ; \
default: ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
else
{
//--------------------------------------------------------------
// C<!M> += A where A is bitmap or full
//--------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
switch (Cb [pC]) \
{ \
case 0: /* C(i,j) not present, !M(i,j) = 1 */ \
if (GBB (Ab, pC)) \
{ \
/* Cx [pC] = Ax [pC] */ \
GB_ASSIGN_AIJ (pC, pC) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
} \
break ; \
case 1: /* C(i,j) present, !M(i,j) = 1 */ \
if (GBB (Ab, pC)) \
{ \
/* Cx [pC] += Ax [pC] */ \
GB_ACCUM_AIJ (pC, pC) ; \
} \
Cb [pC] = 1 ; \
break ; \
case 2: /* C(i,j) not present, !M(i,j) = 0 */ \
/* clear the mask from C */ \
Cb [pC] = 0 ; \
break ; \
case 3: /* C(i,j) present, !M(i,j) = 0 */ \
/* keep the entry */ \
Cb [pC] = 1 ; \
break ; \
default: ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
}
else
{
//------------------------------------------------------------------
// C<!M, replace or !replace> += A where A is sparse or hyper
//------------------------------------------------------------------
// assign or accumulate entries from A into C
#undef GB_AIJ_WORK
#define GB_AIJ_WORK(pC,pA) \
{ \
int8_t cb = Cb [pC] ; \
if (cb == 0) \
{ \
/* Cx [pC] = Ax [pA] */ \
GB_ASSIGN_AIJ (pC, pA) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
} \
else if (cb == 1) \
{ \
/* Cx [pC] += Ax [pA] */ \
GB_ACCUM_AIJ (pC, pA) ; \
} \
}
#include "GB_bitmap_assign_A_whole_template.c"
if (C_replace)
{
// clear the mask and delete entries not assigned
#undef GB_MASK_WORK
#define GB_MASK_WORK(pC) \
{ \
int8_t cb = Cb [pC] ; \
Cb [pC] = 0 ; \
task_cnvals -= (cb == 3) ; \
}
#include "GB_bitmap_assign_M_all_template.c"
}
else
{
// clear the mask
// Cb [pC] -= 2 for each entry M(i,j) in the mask
GB_bitmap_M_scatter_whole (C,
M, Mask_struct, GB_BITMAP_M_SCATTER_MINUS_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, accum, whole", GB0) ;
return (GrB_SUCCESS) ;
}
|
