| 13 | #include "GB_split.h" |
| 14 | |
| 15 | GrB_Info GxB_Matrix_split // split a matrix into 2D array of matrices |
| 16 | ( |
| 17 | GrB_Matrix *Tiles, // 2D row-major array of size m-by-n |
| 18 | const GrB_Index m, |
| 19 | const GrB_Index n, |
| 20 | const GrB_Index *Tile_nrows, // array of size m |
| 21 | const GrB_Index *Tile_ncols, // array of size n |
| 22 | const GrB_Matrix A, // input matrix to split |
| 23 | const GrB_Descriptor desc // unused, except threading control |
| 24 | ) |
| 25 | { |
| 26 | |
| 27 | //-------------------------------------------------------------------------- |
| 28 | // check inputs |
| 29 | //-------------------------------------------------------------------------- |
| 30 | |
| 31 | GB_WHERE1 ("GxB_Matrix_split (Tiles, m, n, Tile_nrows, Tile_ncols, A, " |
| 32 | "desc)") ; |
| 33 | GB_BURBLE_START ("GxB_Matrix_split") ; |
| 34 | GB_RETURN_IF_NULL_OR_FAULTY (A) ; |
| 35 | if (m <= 0 || n <= 0) |
| 36 | { |
| 37 | return (GrB_INVALID_VALUE) ; |
| 38 | } |
| 39 | GB_RETURN_IF_NULL (Tiles) ; |
| 40 | GB_RETURN_IF_NULL (Tile_nrows) ; |
| 41 | GB_RETURN_IF_NULL (Tile_ncols) ; |
| 42 | |
| 43 | // get the descriptor |
| 44 | GB_GET_DESCRIPTOR (info, desc, xx1, xx2, xx3, xx4, xx5, xx6, xx7) ; |
| 45 | |
| 46 | //-------------------------------------------------------------------------- |
| 47 | // Tiles = split (A) |
| 48 | //-------------------------------------------------------------------------- |
| 49 | |
| 50 | info = GB_split (Tiles, m, n, Tile_nrows, Tile_ncols, A, Context) ; |
| 51 | GB_BURBLE_END ; |
| 52 | return (info) ; |
| 53 | } |
| 54 |
no test coverage detected