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//------------------------------------------------------------------------------
// GB_emult_bitmap_7: C<#M>=A.*B; C bitmap; M, A, and B are bitmap/full
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
// C is bitmap. M, A, and B are bitmap or full.
{
//--------------------------------------------------------------------------
// Method7: C is bitmap; M is bitmap or full
//--------------------------------------------------------------------------
// ------------------------------------------
// C <M> = A .* B
// ------------------------------------------
// bitmap bitmap bitmap bitmap (method: 7)
// bitmap bitmap bitmap full (method: 7)
// bitmap bitmap full bitmap (method: 7)
// ------------------------------------------
// C <M> = A .* B
// ------------------------------------------
// bitmap full bitmap bitmap (method: 7)
// bitmap full bitmap full (method: 7)
// bitmap full full bitmap (method: 7)
// ------------------------------------------
// C <!M> = A .* B
// ------------------------------------------
// bitmap bitmap bitmap bitmap (method: 7)
// bitmap bitmap bitmap full (method: 7)
// bitmap bitmap full bitmap (method: 7)
// ------------------------------------------
// C <!M> = A .* B
// ------------------------------------------
// bitmap full bitmap bitmap (method: 7)
// bitmap full bitmap full (method: 7)
// bitmap full full bitmap (method: 7)
ASSERT (GB_IS_BITMAP (M) || GB_IS_FULL (M)) ;
const int8_t *restrict Mb = M->b ;
const GB_M_TYPE *restrict Mx = (GB_M_TYPE *) (Mask_struct ? NULL : (M->x)) ;
size_t msize = M->type->size ;
int tid ;
#pragma omp parallel for num_threads(C_nthreads) schedule(static) \
reduction(+:cnvals)
for (tid = 0 ; tid < C_nthreads ; tid++)
{
int64_t pstart, pend, task_cnvals = 0 ;
GB_PARTITION (pstart, pend, cnz, tid, C_nthreads) ;
for (int64_t p = pstart ; p < pend ; p++)
{
// get M(i,j)
bool mij = GBb_M (Mb, p) && GB_MCAST (Mx, p, msize) ;
if (Mask_comp) mij = !mij ;
if (mij)
{
// M(i,j) is true, so C(i,j) can be computed
if (GBb_A (Ab, p) && GBb_B (Bb, p))
{
// C (i,j) = A (i,j) + B (i,j)
#ifndef GB_ISO_EMULT
GB_DECLAREA (aij) ;
GB_GETA (aij, Ax, p, A_iso) ;
GB_DECLAREB (bij) ;
GB_GETB (bij, Bx, p, B_iso) ;
GB_EWISEOP (Cx, p, aij, bij, p % vlen, p / vlen) ;
#endif
Cb [p] = 1 ;
task_cnvals++ ;
}
}
else
{
// M(i,j) == 1, so C(i,j) is not computed
Cb [p] = 0 ;
}
}
cnvals += task_cnvals ;
}
}
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