//------------------------------------------------------------------------------ // GB_emult_02b: C = A.*B when A is sparse/hyper and B is full //------------------------------------------------------------------------------ // SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2023, All Rights Reserved. // SPDX-License-Identifier: Apache-2.0 //------------------------------------------------------------------------------ // C is sparse, with the same sparsity structure as A. No mask is present. // A is sparse/hyper, and B is full. { //-------------------------------------------------------------------------- // Method2(b): C=A.*B where A is sparse/hyper and B is full //-------------------------------------------------------------------------- int tid ; #pragma omp parallel for num_threads(A_nthreads) schedule(dynamic,1) 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 pB_start = j * vlen ; GB_GET_PA (pA, pA_end, tid, k, kfirst, klast, pstart_Aslice, GBP_A (Ap, k, vlen), GBP_A (Ap, k+1, vlen)) ; for ( ; pA < pA_end ; pA++) { // C (i,j) = A (i,j) .* B (i,j) int64_t i = Ai [pA] ; int64_t pB = pB_start + i ; // Ci [pA] = i ; already defined #ifndef GB_ISO_EMULT GB_DECLAREA (aij) ; GB_GETA (aij, Ax, pA, A_iso) ; GB_DECLAREB (bij) ; GB_GETB (bij, Bx, pB, B_iso) ; GB_EWISEOP (Cx, pA, aij, bij, i, j) ; #endif } } } }