diff options
| -rw-r--r-- | src/H5Spublic.h | 1 | ||||
| -rw-r--r-- | src/H5Sselect.c | 46 | ||||
| -rw-r--r-- | test/tselect.c | 174 |
3 files changed, 221 insertions, 0 deletions
diff --git a/src/H5Spublic.h b/src/H5Spublic.h index 1ca79ea..6e5c652 100644 --- a/src/H5Spublic.h +++ b/src/H5Spublic.h @@ -178,6 +178,7 @@ H5_DLL hid_t H5Sselect_project_intersection(hid_t src_space_id, H5_DLL hid_t H5Ssel_iter_create(hid_t spaceid, size_t elmt_size, unsigned flags); H5_DLL herr_t H5Ssel_iter_get_seq_list(hid_t sel_iter_id, size_t maxseq, size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); +H5_DLL herr_t H5Ssel_iter_reset(hid_t sel_iter_id, hid_t space_id); H5_DLL herr_t H5Ssel_iter_close(hid_t sel_iter_id); /* Symbols defined for compatibility with previous versions of the HDF5 API. diff --git a/src/H5Sselect.c b/src/H5Sselect.c index eb5cf1c..d021f0c 100644 --- a/src/H5Sselect.c +++ b/src/H5Sselect.c @@ -3116,6 +3116,52 @@ done: } /* end H5Ssel_iter_get_seq_list() */ +/*-------------------------------------------------------------------------- + NAME + H5Ssel_iter_reset + PURPOSE + Resets a dataspace selection iterator back to an initial state. + USAGE + herr_t H5Ssel_iter_reset(sel_iter_id) + hid_t sel_iter_id; IN: ID of the dataspace selection iterator to + reset + hid_t space_id; IN: ID of the dataspace with selection to + iterate over + RETURNS + Non-negative on success / Negative on failure + DESCRIPTION + Resets a dataspace selection iterator back to an initial state so that + the iterator may be used for iteration once again. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +herr_t +H5Ssel_iter_reset(hid_t sel_iter_id, hid_t space_id) +{ + H5S_sel_iter_t *sel_iter; + H5S_t *space; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ii", sel_iter_id, space_id); + + /* Check args */ + if(NULL == (sel_iter = (H5S_sel_iter_t *)H5I_object_verify(sel_iter_id, H5I_SPACE_SEL_ITER))) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace selection iterator") + if(NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADTYPE, FAIL, "not a dataspace") + + /* Simply re-initialize iterator */ + if(H5S_select_iter_init(sel_iter, space, sel_iter->elmt_size, sel_iter->flags) < 0) + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTINIT, FAIL, "unable to re-initialize selection iterator") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Ssel_iter_reset() */ + + /*------------------------------------------------------------------------- * Function: H5S_sel_iter_close * diff --git a/test/tselect.c b/test/tselect.c index c98db5d..cdf0ba5 100644 --- a/test/tselect.c +++ b/test/tselect.c @@ -14990,6 +14990,16 @@ test_sel_iter(void) iter_id = H5Ssel_iter_create(sid, (size_t)1, (unsigned)sel_iter_flags); CHECK(iter_id, FAIL, "H5Ssel_iter_create"); + /* Try resetting selection iterator with bad parameters */ + H5E_BEGIN_TRY { + ret = H5Ssel_iter_reset(H5I_INVALID_HID, sid); + } H5E_END_TRY; + VERIFY(ret, FAIL, "H5Ssel_iter_reset"); + H5E_BEGIN_TRY { + ret = H5Ssel_iter_reset(iter_id, H5I_INVALID_HID); + } H5E_END_TRY; + VERIFY(ret, FAIL, "H5Ssel_iter_reset"); + /* Try retrieving sequences, with bad parameters */ H5E_BEGIN_TRY { /* Invalid ID */ ret = H5Ssel_iter_get_seq_list(H5I_INVALID_HID, (size_t)1, (size_t)1, &nseq, &nbytes, off, len); @@ -15115,6 +15125,150 @@ test_sel_iter(void) CHECK(ret, FAIL, "H5Ssel_iter_close"); } /* end for */ + /* Create selection iterator object */ + iter_id = H5Ssel_iter_create(sid, (size_t)1, (unsigned)sel_iter_flags); + CHECK(iter_id, FAIL, "H5Ssel_iter_create"); + + /* Test iterators on various basic selection types using + * H5Ssel_iter_reset instead of creating multiple iterators */ + for(sel_type = H5S_SEL_NONE; sel_type <= H5S_SEL_ALL; sel_type = (H5S_sel_type)(sel_type + 1)) { + switch(sel_type) { + case H5S_SEL_NONE: /* "None" selection */ + ret = H5Sselect_none(sid); + CHECK(ret, FAIL, "H5Sselect_none"); + break; + + case H5S_SEL_POINTS: /* Point selection */ + /* Select sequence of ten points */ + coord1[0][0] = 0; coord1[0][1] = 9; + coord1[1][0] = 1; coord1[1][1] = 2; + coord1[2][0] = 2; coord1[2][1] = 4; + coord1[3][0] = 0; coord1[3][1] = 6; + coord1[4][0] = 1; coord1[4][1] = 8; + coord1[5][0] = 2; coord1[5][1] = 10; + coord1[6][0] = 0; coord1[6][1] = 11; + coord1[7][0] = 1; coord1[7][1] = 4; + coord1[8][0] = 2; coord1[8][1] = 1; + coord1[9][0] = 0; coord1[9][1] = 3; + ret = H5Sselect_elements(sid, H5S_SELECT_SET, (size_t)POINT1_NPOINTS, (const hsize_t *)coord1); + CHECK(ret, FAIL, "H5Sselect_elements"); + break; + + case H5S_SEL_HYPERSLABS: /* Hyperslab selection */ + /* Select regular hyperslab */ + start[0] = 3; start[1] = 0; + stride[0] = 2; stride[1] = 2; + count[0] = 2; count[1] = 5; + block[0] = 1; block[1] = 1; + ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, start, stride, count, block); + CHECK(ret, FAIL, "H5Sselect_hyperslab"); + break; + + case H5S_SEL_ALL: /* "All" selection */ + ret = H5Sselect_all(sid); + CHECK(ret, FAIL, "H5Sselect_all"); + break; + + case H5S_SEL_ERROR: + case H5S_SEL_N: + default: + HDassert(0 && "Can't occur"); + break; + } /* end switch */ + + /* Try retrieving no sequences, with 0 for maxseq & maxbytes */ + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)0, (size_t)1, &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + VERIFY(nseq, 0, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 0, "H5Ssel_iter_get_seq_list"); + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)1, (size_t)0, &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + VERIFY(nseq, 0, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 0, "H5Ssel_iter_get_seq_list"); + + /* Reset iterator */ + ret = H5Ssel_iter_reset(iter_id, sid); + CHECK(ret, FAIL, "H5Ssel_iter_reset"); + + /* Try retrieving all sequences */ + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)SEL_ITER_MAX_SEQ, (size_t)(1024 * 1024), &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + + /* Check results from retrieving sequence list */ + switch(sel_type) { + case H5S_SEL_NONE: /* "None" selection */ + VERIFY(nseq, 0, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 0, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_POINTS: /* Point selection */ + VERIFY(nseq, 10, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_HYPERSLABS: /* Hyperslab selection */ + VERIFY(nseq, 10, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_ALL: /* "All" selection */ + VERIFY(nseq, 1, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 72, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_ERROR: + case H5S_SEL_N: + default: + HDassert(0 && "Can't occur"); + break; + } /* end switch */ + + /* Reset iterator */ + ret = H5Ssel_iter_reset(iter_id, sid); + CHECK(ret, FAIL, "H5Ssel_iter_reset"); + + /* Try retrieving all sequences again */ + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)SEL_ITER_MAX_SEQ, (size_t)(1024 * 1024), &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + + /* Check results from retrieving sequence list */ + switch(sel_type) { + case H5S_SEL_NONE: /* "None" selection */ + VERIFY(nseq, 0, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 0, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_POINTS: /* Point selection */ + VERIFY(nseq, 10, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_HYPERSLABS: /* Hyperslab selection */ + VERIFY(nseq, 10, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_ALL: /* "All" selection */ + VERIFY(nseq, 1, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 72, "H5Ssel_iter_get_seq_list"); + break; + + case H5S_SEL_ERROR: + case H5S_SEL_N: + default: + HDassert(0 && "Can't occur"); + break; + } /* end switch */ + + /* Reset iterator */ + ret = H5Ssel_iter_reset(iter_id, sid); + CHECK(ret, FAIL, "H5Ssel_iter_reset"); + } /* end for */ + + /* Close selection iterator */ + ret = H5Ssel_iter_close(iter_id); + CHECK(ret, FAIL, "H5Ssel_iter_close"); + /* Point selection which will merge into smaller # of sequences */ coord1[0][0] = 0; coord1[0][1] = 9; coord1[1][0] = 0; coord1[1][1] = 10; @@ -15139,6 +15293,16 @@ test_sel_iter(void) VERIFY(nseq, 6, "H5Ssel_iter_get_seq_list"); VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + /* Reset iterator */ + ret = H5Ssel_iter_reset(iter_id, sid); + CHECK(ret, FAIL, "H5Ssel_iter_reset"); + + /* Try retrieving all sequences again */ + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)SEL_ITER_MAX_SEQ, (size_t)(1024 * 1024), &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + VERIFY(nseq, 6, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 10, "H5Ssel_iter_get_seq_list"); + /* Close selection iterator */ ret = H5Ssel_iter_close(iter_id); CHECK(ret, FAIL, "H5Ssel_iter_close"); @@ -15169,6 +15333,16 @@ test_sel_iter(void) VERIFY(nseq, 6, "H5Ssel_iter_get_seq_list"); VERIFY(nbytes, 20, "H5Ssel_iter_get_seq_list"); + /* Reset iterator */ + ret = H5Ssel_iter_reset(iter_id, sid); + CHECK(ret, FAIL, "H5Ssel_iter_reset"); + + /* Try retrieving all sequences again */ + ret = H5Ssel_iter_get_seq_list(iter_id, (size_t)SEL_ITER_MAX_SEQ, (size_t)(1024 * 1024), &nseq, &nbytes, off, len); + CHECK(ret, FAIL, "H5Ssel_iter_get_seq_list"); + VERIFY(nseq, 6, "H5Ssel_iter_get_seq_list"); + VERIFY(nbytes, 20, "H5Ssel_iter_get_seq_list"); + /* Close selection iterator */ ret = H5Ssel_iter_close(iter_id); CHECK(ret, FAIL, "H5Ssel_iter_close"); |