diff options
Diffstat (limited to 'nerv/lib/matrix/generic/cumatrix.c')
| -rw-r--r-- | nerv/lib/matrix/generic/cumatrix.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/nerv/lib/matrix/generic/cumatrix.c b/nerv/lib/matrix/generic/cumatrix.c index 31d6b06..7582725 100644 --- a/nerv/lib/matrix/generic/cumatrix.c +++ b/nerv/lib/matrix/generic/cumatrix.c @@ -393,6 +393,24 @@ void nerv_matrix_(copy_rows_fromd_by_idx)(Matrix *a, const Matrix *b, NERV_SET_STATUS(status, NERV_NORMAL, 0); } +void nerv_matrix_(copy_rows_fromd_by_colidx)(Matrix *a, const Matrix *b, + const Matrix *idx, int b_begin, Status *status) { + long nrow = a->nrow; + if (!(0 <= b_begin && b_begin + nrow <= idx->nrow)) + NERV_EXIT_STATUS(status, MAT_INVALID_COPY_INTERVAL, 0); + if (idx->ncol != 1) + NERV_EXIT_STATUS(status, MAT_IDX_VECTOR_EXP, 0); + if (a->ncol != b->ncol) { + printf("%d %d\n", a->ncol, b->ncol); + NERV_EXIT_STATUS(status, MAT_MISMATCH_DIM, 0); + } + PROFILE_START + cudak_(cuda_copy_rows_by_colidx)(b, a, idx, b_begin); + PROFILE_STOP + NERV_SET_STATUS(status, NERV_NORMAL, 0); +} + + #ifdef __NERV_FUTURE_CUDA_7 void nerv_matrix_(update_select_rows_by_rowidx)(Matrix *c, const Matrix *a, const Matrix *idx, double alpha, double beta, Status *status) { long nrow = a->nrow; |