/// Reassign the integer values to the strings. Upon successful completion
/// of this function, the integer values assigned to the strings will be in
/// ascending order. In other word, string values that are lexigraphically
/// smaller will have smaller integer representations.
///
/// The argument to this function carrys the permutation information needed
/// to turn the previous integer assignments into the new ones. If the
/// previous assignment was k, the new assignement will be o2n[k]. Note
/// that the name o2n is shorthand for old-to-new.
void ibis::dictionary::sort(ibis::array_t<uint32_t> &o2n) {
const size_t nelm = raw_.size();
ibis::array_t<uint32_t> n2o(nelm);
for (size_t j = 0; j < nelm; ++ j)
n2o[j] = j;
#if DEBUG+0 > 2 || _DEBUG+0 > 2
{
ibis::util::logger lg;
lg() << "DEBUG -- dictionary::sort starts with\n\t";
for (MYMAP::const_iterator it = key_.begin(); it != key_.end(); ++ it)
lg() << '"' << it->first << '"' << "(" << it->second << ") ";
}
#endif
ibis::util::sortStrings(raw_, n2o);
o2n.resize(nelm);
for (size_t j = 0; j < nelm; ++ j)
o2n[n2o[j]] = j;
for (MYMAP::iterator it = key_.begin(); it != key_.end(); ++ it)
it->second = o2n[it->second];
#if DEBUG+0 > 2 || _DEBUG+0 > 2
{
ibis::util::logger lg;
lg() << "DEBUG -- dictionary::sort ends with";
for (MYMAP::const_iterator it = key_.begin(); it != key_.end(); ++ it)
lg() << "\n\t\"" << it->first << '"' << "(" << it->second << ": "
<< raw_[it->second] << ") ";
lg() << "\n\to2n(" << o2n.size() << "):";
for (size_t j = 1; j < nelm; ++ j)
lg() << "\n\to2n[" << j << "] = " << o2n[j] << ": " << raw_[o2n[j]];
}
#endif
} // ibis::dictionary::sort
int FQ_Variable::getPointValues(ibis::array_t<E>& arr,
const std::vector<uint64_t>& coords) const {
if (! isValid("FQ_Variable::getPointValues")) return 0;
std::string evt = "FQ_Variable::getPointValues";
if (ibis::gVerbose > 1) {
std::ostringstream oss;
oss << '(' << (thePart->name() ? thePart->name() : "?") << '.'
<< name() << ", " << ibis::TYPESTRING[(int)m_type]
<< ", coords[" << coords.size() << "])";
evt += oss.str();
}
arr.resize(coords.size() / varInfo.getNDims());
LOGGER(ibis::gVerbose > 0)
<< "FQ_Variable::getPointValues the arr size is " << arr.size() ;
bool ret;
if (useAll) {
ret = dataFile.getPointData(varInfo.getPath(), coords,
static_cast<void*>(arr.begin()));
} else {
// convert to absolute coords based on space info.
std::vector<uint64_t> absCoords;
absCoords.resize(coords.size());
std::vector<uint64_t> offsets = varSpace.getOffsets();
std::vector<uint64_t> counts = varSpace.getCounts();
std::vector<uint64_t> strides = varSpace.getStrides();
unsigned int idx = 0;
for (unsigned int i=0; i<arr.size(); i++) {
for (unsigned int j=0; j<varInfo.getNDims(); j++) {
absCoords[idx] = coords[idx]* strides[j] + offsets[j];
idx++;
}
}
ret = dataFile.getPointData(varInfo.getPath(), absCoords,
static_cast<void*>(arr.begin()));
}
if (ret)
return arr.size();
else
return -1;
} // FQ_Variable::getPointValues
