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//------------------------------------------------------------------------------
// GB_concat_bitmap_sparse: concatenate a sparse tile into a bitmap matrix
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
{
ASSERT (GB_IS_SPARSE (A) || GB_IS_HYPERSPARSE (A)) ;
ASSERT (GB_IS_BITMAP (C)) ;
#ifdef GB_JIT_KERNEL
GB_WERK_DECLARE (A_ek_slicing, int64_t) ;
#undef GB_FREE_ALL
#define GB_FREE_ALL GB_WERK_POP (A_ek_slicing, int64_t) ;
#endif
int A_nthreads, A_ntasks ;
GB_A_NHELD (A_nnz_held) ;
GB_SLICE_MATRIX_WORK (A, 1, A_nnz_held + A->nvec, A_nnz_held) ;
GB_Ap_DECLARE (Ap, const) ; GB_Ap_PTR (Ap, A) ;
GB_Ah_DECLARE (Ah, const) ; GB_Ah_PTR (Ah, A) ;
GB_Ai_DECLARE (Ai, const) ; GB_Ai_PTR (Ai, A) ;
int tid ;
#pragma omp parallel for num_threads(A_nthreads) schedule(static)
for (tid = 0 ; tid < A_ntasks ; tid++)
{
int64_t kfirst = kfirst_Aslice [tid] ;
int64_t klast = klast_Aslice [tid] ;
for (int64_t k = kfirst ; k <= klast ; k++)
{
int64_t j = GBh_A (Ah, k) ;
int64_t jC = cvstart + j ;
int64_t pC_start = cistart + jC * cvlen ;
GB_GET_PA (pA_start, pA_end, tid, k, kfirst, klast, pstart_Aslice,
GB_IGET (Ap, k), GB_IGET (Ap, k+1)) ;
GB_PRAGMA_SIMD
for (int64_t pA = pA_start ; pA < pA_end ; pA++)
{
int64_t i = GB_IGET (Ai, pA) ;
int64_t pC = pC_start + i ;
// Cx [pC] = Ax [pA] ;
GB_COPY (pC, pA, A_iso) ;
Cb [pC] = 1 ;
}
}
}
#ifdef GB_JIT_KERNEL
GB_FREE_ALL ;
#endif
}
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