// always pack from *.0 files (it must be pre-merged!)
void IndexWriter::packPSTBlk() {
cout << "# packing postings..." << endl;
ofstream pack_trm, pack_doc, pack_tmap;
ifstream merge_trm, merge_doc;
string prefix = path+"/"+POSTINGS_FILE, m1, m2;
m1 = prefix+".trm";
m2 = prefix+".doc";
pack_trm.open(m1.c_str());
pack_doc.open(m2.c_str(), ios::binary);
pack_tmap.open((path+"/"+TERM_MAP_FILE).c_str(), ios::binary);
merge_trm.open((m1+".0").c_str());
merge_doc.open((m2+".0").c_str(), ios::binary);
if (!merge_trm || !merge_doc) {
error("Writer::fail opening %s, etc", (m1+".0").c_str());
}
int num_term = 0;
TermAttr attr;
while (attr.load(merge_trm)>=0) {
int num_docs = 0, size;
fread(merge_doc, &num_docs, sizeof(num_docs));
fread(merge_doc, didbuf, sizeof(didbuf[0])*num_docs);
fread(merge_doc, frqbuf, sizeof(frqbuf[0])*num_docs);
pack_trm << num_term << " " << ftellp(pack_doc) << "\n";
assert(num_docs < PST_BUF);
dgap(didbuf, num_docs);
encode_vb(didbuf, num_docs, buf, size);
assert(size < PST_BUF*10);
fwrite(pack_doc, &size, sizeof(size));
fwrite(pack_doc, buf, sizeof(buf[0])*size);
encode_vb(frqbuf, num_docs, buf, size);
assert(size < PST_BUF*10);
fwrite(pack_doc, &size, sizeof(size));
fwrite(pack_doc, buf, sizeof(buf[0])*size);
attr.flush(pack_tmap);
num_term++;
}
cout << "# num_term = " << num_term << endl;
merge_trm.close();
merge_doc.close();
pack_trm.close();
pack_doc.close();
pack_tmap.close();
remove((m1+".0").c_str());
remove((m2+".0").c_str());
}
Real
GapHeatTransfer::dgapLength( Real normalComponent ) const
{
const Real gap_L = gapLength();
Real dgap(0);
if ( _min_gap <= gap_L && gap_L <= _max_gap)
{
dgap = normalComponent;
}
return dgap;
}