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#include <cassert>
#include <cstdlib>
#include <sstream>
#include <string>
#include "cctk.h"
#include "carpet.hh"
#include "data_region.hh"
#include "utils.hh"
namespace CarpetIOF5 {
namespace F5 {
using std::ostringstream;
data_region_t::
data_region_t (tensor_component_t & tensor_component,
bbox<int, dim> const & region)
: m_tensor_component (tensor_component),
m_region (region)
{
assert (! region.empty());
ostringstream namebuf;
namebuf << "map=" << Carpet::map << " "
<< "region=" << m_region;
string const namestr = namebuf.str();
char const * const name = namestr.c_str();
assert (name != 0);
int const vartype = CCTK_VarTypeI (m_tensor_component.get_variable());
assert (vartype >= 0);
hid_t const hdf5_datatype = hdf5_datatype_from_cactus_datatype (vartype);
assert (hdf5_datatype >= 0);
m_properties = H5Pcreate (H5P_DATASET_CREATE);
assert (m_properties >= 0);
vect<hsize_t, dim> const dims
= (region.shape() / region.stride()).reverse();
m_dataspace = H5Screate_simple (dim, & dims [0], & dims [0]);
assert (m_dataspace >= 0);
m_dataset
= H5Dcreate (m_tensor_component.get_hdf5_tensor_component(), name,
hdf5_datatype, m_dataspace, m_properties);
assert (m_dataset >= 0);
write_or_check_attribute
(m_dataset, "iorigin", region.lower() / region.stride());
assert (invariant());
}
data_region_t::
~ data_region_t ()
{
herr_t herr;
herr = H5Dclose (m_dataset);
assert (! herr);
herr = H5Sclose (m_dataspace);
assert (! herr);
herr = H5Pclose (m_properties);
assert (! herr);
}
tensor_component_t & data_region_t::
get_tensor_component ()
const
{
return m_tensor_component;
}
void data_region_t::
write (void const * const data,
int const cactus_datatype)
const
{
hid_t const memory_hdf5_datatype
= hdf5_datatype_from_cactus_datatype (cactus_datatype);
assert (memory_hdf5_datatype >= 0);
vect<hsize_t, dim> const dims
= (m_region.shape() / m_region.stride()).reverse();
hid_t const memory_dataspace
= H5Screate_simple (dim, & dims [0], & dims [0]);
assert (memory_dataspace >= 0);
hid_t const transfer_properties = H5Pcreate (H5P_DATASET_XFER);
assert (transfer_properties >= 0);
herr_t herr;
herr
= H5Dwrite (m_dataset, memory_hdf5_datatype, memory_dataspace,
m_dataspace, transfer_properties, data);
assert (! herr);
herr = H5Pclose (transfer_properties);
assert (! herr);
herr = H5Sclose (memory_dataspace);
assert (! herr);
}
bool data_region_t::
invariant ()
const
{
return (! m_region.empty()
and m_properties >= 0
and m_dataset >= 0
and m_dataspace >= 0);
}
} // namespace F5
} // namespace CarpetIOF5
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