//------------------------------------------------------------------------------ // GB_emult_03b: C = A.*B when A is full and B is sparse/hyper //------------------------------------------------------------------------------ // 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 B. No mask is present. // A is full, and B is sparse/hyper. { //-------------------------------------------------------------------------- // Method3(b): C=A.*B where A is full and B is sparse/hyper //-------------------------------------------------------------------------- int tid ; #pragma omp parallel for num_threads(B_nthreads) schedule(dynamic,1) for (tid = 0 ; tid < B_ntasks ; tid++) { int64_t kfirst = kfirst_Bslice [tid] ; int64_t klast = klast_Bslice [tid] ; for (int64_t k = kfirst ; k <= klast ; k++) { int64_t j = GBH_B (Bh, k) ; int64_t pA_start = j * vlen ; GB_GET_PA (pB, pB_end, tid, k, kfirst, klast, pstart_Bslice, GBP_B (Bp, k, vlen), GBP_B (Bp, k+1, vlen)) ; for ( ; pB < pB_end ; pB++) { // C (i,j) = A (i,j) .* B (i,j) int64_t i = Bi [pB] ; int64_t pA = pA_start + i ; // Ci [pB] = 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, pB, aij, bij, i, j) ; #endif } } } }