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//------------------------------------------------------------------------------
// GB_bitmap_assign_fullM_noaccum_whole: assign to C bitmap, M is bitmap or full
//------------------------------------------------------------------------------
// 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<!M> = A assign
// C<!M> = A subassign
// C<!M,repl> = A assign
// C<!M,repl> = A subassign
//------------------------------------------------------------------------------
// C: bitmap
// M: present, bitmap or full (not hypersparse or sparse)
// Mask_comp: true or false
// Mask_struct: true or false
// C_replace: true or false
// accum: not 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 ;
GrB_Info GB_bitmap_assign_fullM_noaccum_whole
(
// input/output:
GrB_Matrix C, // input/output matrix in bitmap format
const bool C_replace, // descriptor for C
// inputs:
const GrB_Matrix M, // mask matrix, which is present here
const bool Mask_comp, // true for !M, false for M
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
GB_Context Context
)
{
//--------------------------------------------------------------------------
// check inputs
//--------------------------------------------------------------------------
GBURBLE_BITMAP_ASSIGN ("bit2:whole", M, Mask_comp, NULL,
GB_ALL, GB_ALL, GB_ASSIGN) ;
ASSERT (GB_IS_BITMAP (M) || GB_IS_FULL (M)) ;
ASSERT_MATRIX_OK (C, "C for bitmap assign, M full, noaccum, whole", GB0) ;
ASSERT_MATRIX_OK (M, "M for bitmap assign, M full, noaccum, whole", GB0) ;
ASSERT_MATRIX_OK_OR_NULL (A, "A for bitmap assign, M full, noaccum, whole",
GB0) ;
//--------------------------------------------------------------------------
// get inputs
//--------------------------------------------------------------------------
GB_GET_C_BITMAP ; // C must be bitmap
GB_GET_M
GB_GET_A_AND_SCALAR
//--------------------------------------------------------------------------
// to get the effective value of the mask entry mij
//--------------------------------------------------------------------------
#define GB_GET_MIJ(mij,pM) \
bool mij = (GBB (Mb, pM) && GB_mcast (Mx, pM, msize)) ^ Mask_comp ;
//--------------------------------------------------------------------------
// assignment phase
//--------------------------------------------------------------------------
if (A == NULL)
{
//----------------------------------------------------------------------
// scalar assignment: C<M or !M> = scalar
//----------------------------------------------------------------------
if (C_replace)
{
//------------------------------------------------------------------
// C<M or !M, replace> = scalar
//------------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
int8_t cb = Cb [pC] ; \
if (mij) \
{ \
/* Cx [pC] = scalar */ \
GB_ASSIGN_SCALAR (pC) ; \
Cb [pC] = 1 ; \
task_cnvals += (cb == 0) ; \
} \
else \
{ \
/* delete C(i,j) if present */ \
Cb [pC] = 0 ; \
task_cnvals -= (cb == 1) ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
else
{
//------------------------------------------------------------------
// C<M or !M> = scalar
//------------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
if (mij) \
{ \
/* Cx [pC] = scalar */ \
int8_t cb = Cb [pC] ; \
GB_ASSIGN_SCALAR (pC) ; \
Cb [pC] = 1 ; \
task_cnvals += (cb == 0) ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
}
else
{
//----------------------------------------------------------------------
// matrix assignment: C<M or !M> = A
//----------------------------------------------------------------------
if (GB_IS_BITMAP (A) || GB_IS_FULL (A))
{
//------------------------------------------------------------------
// matrix assignment: C<M or !M> = A where A is bitmap or full
//------------------------------------------------------------------
if (C_replace)
{
//--------------------------------------------------------------
// C<M or !M,replace> = A where A is bitmap or full
//--------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
int8_t cb = Cb [pC] ; \
if (mij && GBB (Ab, pC)) \
{ \
/* Cx [pC] = Ax [pC] */ \
GB_ASSIGN_AIJ (pC, pC) ; \
Cb [pC] = 1 ; \
task_cnvals += (cb == 0) ; \
} \
else \
{ \
/* delete C(i,j) if present */ \
Cb [pC] = 0 ; \
task_cnvals -= (cb == 1) ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
else
{
//--------------------------------------------------------------
// C<M or !M> = A where A is bitmap or full
//--------------------------------------------------------------
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
if (mij) \
{ \
int8_t cb = Cb [pC] ; \
if (GBB (Ab, pC)) \
{ \
/* Cx [pC] = Ax [pC] */ \
GB_ASSIGN_AIJ (pC, pC) ; \
Cb [pC] = 1 ; \
task_cnvals += (cb == 0) ; \
} \
else \
{ \
/* delete C(i,j) if present */ \
Cb [pC] = 0 ; \
task_cnvals -= (cb == 1) ; \
} \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
}
else
{
//------------------------------------------------------------------
// matrix assignment: C<M or !M> = A where A is sparse or hyper
//------------------------------------------------------------------
if (C_replace)
{
//--------------------------------------------------------------
// C<M or !M,replace> = A where A is sparse or hyper
//--------------------------------------------------------------
// clear C of all entries
cnvals = 0 ;
GB_memset (Cb, 0, cnzmax, nthreads_max) ;
// C<M or !M> = A
#undef GB_AIJ_WORK
#define GB_AIJ_WORK(pC,pA) \
{ \
GB_GET_MIJ (mij, pC) ; \
if (mij) \
{ \
/* Cx [pC] = Ax [pA] */ \
GB_ASSIGN_AIJ (pC, pA) ; \
Cb [pC] = 1 ; \
task_cnvals++ ; \
} \
}
#include "GB_bitmap_assign_A_whole_template.c"
}
else
{
//--------------------------------------------------------------
// C<M or !M> = A where A is sparse or hyper
//--------------------------------------------------------------
// C<M or !M> = A, assign entries from A
#undef GB_AIJ_WORK
#define GB_AIJ_WORK(pC,pA) \
{ \
GB_GET_MIJ (mij, pC) ; \
if (mij) \
{ \
/* Cx [pC] = Ax [pA] */ \
int8_t cb = Cb [pC] ; \
GB_ASSIGN_AIJ (pC, pA) ; \
Cb [pC] = 4 ; /* keep this entry */ \
task_cnvals += (cb == 0) ; \
} \
}
#include "GB_bitmap_assign_A_whole_template.c"
// delete entries where M(i,j)=1 but not assigned by A
#undef GB_CIJ_WORK
#define GB_CIJ_WORK(pC) \
{ \
int8_t cb = Cb [pC] ; \
if (mij) \
{ \
Cb [pC] = (cb == 4) ; \
task_cnvals -= (cb == 1) ; \
} \
}
#include "GB_bitmap_assign_C_whole_template.c"
}
}
}
//--------------------------------------------------------------------------
// return result
//--------------------------------------------------------------------------
C->nvals = cnvals ;
ASSERT_MATRIX_OK (C, "final C bitmap assign, M full, noaccum, whole", GB0) ;
return (GrB_SUCCESS) ;
}
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