| 13 | #include "GB_get_mask.h" |
| 14 | |
| 15 | GrB_Info GxB_Row_subassign // C(row,Cols)<M'> += u' |
| 16 | ( |
| 17 | GrB_Matrix C, // input/output matrix for results |
| 18 | const GrB_Vector M_in, // mask for C(row,Cols), unused if NULL |
| 19 | const GrB_BinaryOp accum, // optional accum for z=accum(C(row,Cols),t) |
| 20 | const GrB_Vector u, // input vector |
| 21 | GrB_Index row, // row index |
| 22 | const GrB_Index *Cols, // column indices |
| 23 | GrB_Index nCols, // number of column indices |
| 24 | const GrB_Descriptor desc // descriptor for C(row,Cols) and M |
| 25 | ) |
| 26 | { |
| 27 | |
| 28 | //-------------------------------------------------------------------------- |
| 29 | // check inputs |
| 30 | //-------------------------------------------------------------------------- |
| 31 | |
| 32 | GB_WHERE (C, "GxB_Row_subassign (C, M, accum, u, row, Cols, nCols, desc)") ; |
| 33 | GB_BURBLE_START ("GxB_subassign") ; |
| 34 | GB_RETURN_IF_NULL_OR_FAULTY (C) ; |
| 35 | GB_RETURN_IF_FAULTY (M_in) ; |
| 36 | GB_RETURN_IF_NULL_OR_FAULTY (u) ; |
| 37 | ASSERT (M_in == NULL || GB_VECTOR_OK (M_in)) ; |
| 38 | ASSERT (GB_VECTOR_OK (u)) ; |
| 39 | |
| 40 | // get the descriptor |
| 41 | GB_GET_DESCRIPTOR (info, desc, C_replace, Mask_comp, Mask_struct, |
| 42 | xx1, xx2, xx3, xx7) ; |
| 43 | |
| 44 | // get the mask |
| 45 | GrB_Matrix M = GB_get_mask ((GrB_Matrix) M_in, &Mask_comp, &Mask_struct) ; |
| 46 | |
| 47 | //-------------------------------------------------------------------------- |
| 48 | // C(row,Cols)<M'> = accum (C(row,Cols), u') |
| 49 | //-------------------------------------------------------------------------- |
| 50 | |
| 51 | // construct the row index list Rows = [ row ] of length nRows = 1 |
| 52 | GrB_Index Rows [1] ; |
| 53 | Rows [0] = row ; |
| 54 | |
| 55 | info = GB_subassign ( |
| 56 | C, C_replace, // C matrix and its descriptor |
| 57 | M, Mask_comp, Mask_struct, // mask and its descriptor |
| 58 | true, // transpose the mask |
| 59 | accum, // for accum (C(Rows,col),u) |
| 60 | (GrB_Matrix) u, true, // u as a matrix; always transposed |
| 61 | Rows, 1, // a single row index |
| 62 | Cols, nCols, // column indices |
| 63 | false, NULL, GB_ignore_code, // no scalar expansion |
| 64 | Context) ; |
| 65 | |
| 66 | GB_BURBLE_END ; |
| 67 | return (info) ; |
| 68 | } |
| 69 |
no test coverage detected