mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-27 14:20:34 +05:00
1362 lines
24 KiB
C++
1362 lines
24 KiB
C++
#ifndef FILE_HASHTABL
|
|
#define FILE_HASHTABL
|
|
|
|
/**************************************************************************/
|
|
/* File: hashtabl.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 01. Jun. 95 */
|
|
/**************************************************************************/
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
/**
|
|
Abstract data type HASHTABLE.
|
|
Hash is done by one INDEX
|
|
*/
|
|
class BASE_INDEX_HASHTABLE
|
|
{
|
|
protected:
|
|
/// keys are stored in this table
|
|
TABLE<INDEX,1> hash;
|
|
|
|
public:
|
|
///
|
|
BASE_INDEX_HASHTABLE (int size)
|
|
: hash (size) { };
|
|
|
|
protected:
|
|
///
|
|
int HashValue (const INDEX & ind) const
|
|
{
|
|
return ind % hash.Size() + 1;
|
|
}
|
|
|
|
///
|
|
int Position (int bnr, const INDEX & ind) const;
|
|
};
|
|
|
|
///
|
|
template <class T>
|
|
class INDEX_HASHTABLE : private BASE_INDEX_HASHTABLE
|
|
{
|
|
///
|
|
TABLE<T,1> cont;
|
|
|
|
public:
|
|
///
|
|
inline INDEX_HASHTABLE (int size);
|
|
///
|
|
inline void Set (const INDEX & hash, const T & acont);
|
|
///
|
|
inline const T & Get (const INDEX & ahash) const;
|
|
///
|
|
inline bool Used (const INDEX & ahash) const;
|
|
///
|
|
inline int GetNBags () const;
|
|
///
|
|
inline int GetBagSize (int bnr) const;
|
|
///
|
|
inline void GetData (int bnr, int colnr, INDEX & ahash, T & acont) const;
|
|
|
|
///
|
|
inline void PrintMemInfo (ostream & ost) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
///
|
|
class BASE_INDEX_2_HASHTABLE
|
|
{
|
|
protected:
|
|
///
|
|
TABLE<INDEX_2> hash;
|
|
|
|
public:
|
|
///
|
|
BASE_INDEX_2_HASHTABLE (int size)
|
|
: hash (size) { };
|
|
|
|
///
|
|
void PrintStat (ostream & ost) const;
|
|
void BaseSetSize(int s) {hash.SetSize(s);}
|
|
//protected:
|
|
///
|
|
int HashValue (const INDEX_2 & ind) const
|
|
{
|
|
return (ind.I1() + ind.I2()) % hash.Size() + 1;
|
|
}
|
|
///
|
|
int Position (int bnr, const INDEX_2 & ind) const
|
|
{
|
|
for (int i = 1; i <= hash.EntrySize (bnr); i++)
|
|
if (hash.Get(bnr, i) == ind)
|
|
return i;
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
|
|
///
|
|
template <class T>
|
|
class INDEX_2_HASHTABLE : public BASE_INDEX_2_HASHTABLE
|
|
{
|
|
///
|
|
TABLE<T> cont;
|
|
|
|
public:
|
|
///
|
|
INDEX_2_HASHTABLE (int size)
|
|
: BASE_INDEX_2_HASHTABLE (size), cont(size)
|
|
{ ; }
|
|
|
|
///
|
|
void SetSize(int s)
|
|
{
|
|
cont.SetSize(s);
|
|
BaseSetSize(s);
|
|
}
|
|
|
|
///
|
|
void Set (const INDEX_2 & ahash, const T & acont)
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
if (pos)
|
|
cont.Set (bnr, pos, acont);
|
|
else
|
|
{
|
|
hash.Add1 (bnr, ahash);
|
|
cont.Add1 (bnr, acont);
|
|
}
|
|
}
|
|
|
|
///
|
|
const T & Get (const INDEX_2 & ahash) const
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
return cont.Get (bnr, pos);
|
|
}
|
|
|
|
///
|
|
bool Used (const INDEX_2 & ahash) const
|
|
{
|
|
return Position (HashValue (ahash), ahash) > 0;
|
|
}
|
|
///
|
|
int GetNBags () const
|
|
{
|
|
return cont.Size();
|
|
}
|
|
|
|
///
|
|
int GetBagSize (int bnr) const
|
|
{
|
|
return cont.EntrySize (bnr);
|
|
}
|
|
|
|
///
|
|
void GetData (int bnr, int colnr,
|
|
INDEX_2 & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(bnr, colnr);
|
|
acont = cont.Get(bnr, colnr);
|
|
}
|
|
|
|
///
|
|
void SetData (int bnr, int colnr,
|
|
const INDEX_2 & ahash, const T & acont)
|
|
{
|
|
hash.Set(bnr, colnr, ahash);
|
|
cont.Set(bnr, colnr, acont);
|
|
}
|
|
|
|
///
|
|
void PrintMemInfo (ostream & ost) const
|
|
{
|
|
ost << "Hash: " << endl;
|
|
hash.PrintMemInfo (ost);
|
|
ost << "Cont: " << endl;
|
|
cont.PrintMemInfo (ost);
|
|
}
|
|
|
|
|
|
void DeleteData ()
|
|
{
|
|
int n = hash.Size();
|
|
hash.SetSize (n);
|
|
cont.SetSize (n);
|
|
}
|
|
|
|
|
|
class Iterator
|
|
{
|
|
const INDEX_2_HASHTABLE & ht;
|
|
int bagnr, pos;
|
|
public:
|
|
Iterator (const INDEX_2_HASHTABLE & aht,
|
|
int abagnr, int apos)
|
|
: ht(aht), bagnr(abagnr), pos(apos)
|
|
{ ; }
|
|
|
|
int BagNr() const { return bagnr; }
|
|
int Pos() const { return pos; }
|
|
|
|
void operator++ (int)
|
|
{
|
|
// cout << "begin Operator ++: bagnr = " << bagnr << " - pos = " << pos << endl;
|
|
pos++;
|
|
while (bagnr < ht.GetNBags() &&
|
|
pos == ht.GetBagSize(bagnr+1))
|
|
{
|
|
pos = 0;
|
|
bagnr++;
|
|
}
|
|
// cout << "end Operator ++: bagnr = " << bagnr << " - pos = " << pos << endl;
|
|
}
|
|
|
|
bool operator != (int i) const
|
|
{
|
|
return bagnr != i;
|
|
}
|
|
|
|
};
|
|
|
|
Iterator Begin () const
|
|
{
|
|
Iterator it(*this, 0, -1);
|
|
it++;
|
|
return it;
|
|
}
|
|
|
|
int End() const
|
|
{
|
|
return GetNBags();
|
|
}
|
|
|
|
void GetData (const Iterator & it,
|
|
INDEX_2 & ahash, T & acont) const
|
|
{
|
|
ahash = hash[it.BagNr()][it.Pos()];
|
|
acont = cont[it.BagNr()][it.Pos()];
|
|
}
|
|
|
|
const INDEX_2 & GetHash (const Iterator & it) const
|
|
{ return hash[it.BagNr()][it.Pos()]; }
|
|
|
|
const T & GetData (const Iterator & it) const
|
|
{ return cont[it.BagNr()][it.Pos()]; }
|
|
};
|
|
|
|
|
|
|
|
template <typename T>
|
|
inline ostream & operator<< (ostream & ost, const INDEX_2_HASHTABLE<T> & ht)
|
|
{
|
|
for (typename INDEX_2_HASHTABLE<T>::Iterator it = ht.Begin();
|
|
it != ht.End(); it++)
|
|
{
|
|
ost << ht.GetHash(it) << ": " << ht.GetData(it) << endl;
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
///
|
|
class BASE_INDEX_3_HASHTABLE
|
|
{
|
|
protected:
|
|
///
|
|
TABLE<INDEX_3> hash;
|
|
|
|
public:
|
|
///
|
|
BASE_INDEX_3_HASHTABLE (int size)
|
|
: hash (size) { };
|
|
|
|
protected:
|
|
///
|
|
int HashValue (const INDEX_3 & ind) const
|
|
{
|
|
return (ind.I1() + ind.I2() + ind.I3()) % hash.Size() + 1;
|
|
}
|
|
|
|
///
|
|
int Position (int bnr, const INDEX_3 & ind) const
|
|
{
|
|
const INDEX_3 * pi = &hash.Get(bnr, 1);
|
|
int n = hash.EntrySize(bnr);
|
|
for (int i = 1; i <= n; ++i, ++pi)
|
|
{
|
|
if (*pi == ind)
|
|
return i;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
};
|
|
|
|
|
|
///
|
|
template <class T>
|
|
class INDEX_3_HASHTABLE : private BASE_INDEX_3_HASHTABLE
|
|
{
|
|
///
|
|
TABLE<T> cont;
|
|
|
|
public:
|
|
///
|
|
inline INDEX_3_HASHTABLE (int size);
|
|
///
|
|
inline void Set (const INDEX_3 & ahash, const T & acont);
|
|
///
|
|
inline const T & Get (const INDEX_3 & ahash) const;
|
|
///
|
|
inline bool Used (const INDEX_3 & ahash) const;
|
|
///
|
|
inline int GetNBags () const;
|
|
///
|
|
inline int GetBagSize (int bnr) const;
|
|
///
|
|
inline void SetData (int bnr, int colnr, const INDEX_3 & ahash, const T & acont);
|
|
///
|
|
inline void GetData (int bnr, int colnr, INDEX_3 & ahash, T & acont) const;
|
|
/// returns position, if not existing, will create (create == return 1)
|
|
inline int PositionCreate (const INDEX_3 & ahash, int & bnr, int & colnr);
|
|
///
|
|
inline void SetSize (int size);
|
|
|
|
///
|
|
inline void PrepareSet (const INDEX_3 & ahash);
|
|
///
|
|
inline void AllocateElements ();
|
|
|
|
///
|
|
inline void PrintMemInfo (ostream & ost) const;
|
|
///
|
|
inline void DeleteData ();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class Iterator
|
|
{
|
|
const INDEX_3_HASHTABLE & ht;
|
|
int bagnr, pos;
|
|
public:
|
|
Iterator (const INDEX_3_HASHTABLE & aht,
|
|
int abagnr, int apos)
|
|
: ht(aht), bagnr(abagnr), pos(apos)
|
|
{ ; }
|
|
|
|
int BagNr() const { return bagnr; }
|
|
int Pos() const { return pos; }
|
|
|
|
void operator++ (int)
|
|
{
|
|
// cout << "begin Operator ++: bagnr = " << bagnr << " - pos = " << pos << endl;
|
|
pos++;
|
|
while (bagnr < ht.GetNBags() &&
|
|
pos == ht.GetBagSize(bagnr+1))
|
|
{
|
|
pos = 0;
|
|
bagnr++;
|
|
}
|
|
// cout << "end Operator ++: bagnr = " << bagnr << " - pos = " << pos << endl;
|
|
}
|
|
|
|
bool operator != (int i) const
|
|
{
|
|
return bagnr != i;
|
|
}
|
|
|
|
};
|
|
|
|
Iterator Begin () const
|
|
{
|
|
Iterator it(*this, 0, -1);
|
|
it++;
|
|
return it;
|
|
}
|
|
|
|
int End() const
|
|
{
|
|
return GetNBags();
|
|
}
|
|
|
|
void GetData (const Iterator & it,
|
|
INDEX_3 & ahash, T & acont) const
|
|
{
|
|
ahash = hash[it.BagNr()][it.Pos()];
|
|
acont = cont[it.BagNr()][it.Pos()];
|
|
}
|
|
|
|
const INDEX_3 & GetHash (const Iterator & it) const
|
|
{ return hash[it.BagNr()][it.Pos()]; }
|
|
|
|
const T & GetData (const Iterator & it) const
|
|
{ return cont[it.BagNr()][it.Pos()]; }
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template <typename T>
|
|
inline ostream & operator<< (ostream & ost, const INDEX_3_HASHTABLE<T> & ht)
|
|
{
|
|
for (typename INDEX_3_HASHTABLE<T>::Iterator it = ht.Begin();
|
|
it != ht.End(); it++)
|
|
{
|
|
ost << ht.GetHash(it) << ": " << ht.GetData(it) << endl;
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Closed Hashing HT
|
|
|
|
class BASE_INDEX_CLOSED_HASHTABLE
|
|
{
|
|
protected:
|
|
///
|
|
MoveableArray<INDEX> hash;
|
|
///
|
|
int invalid;
|
|
public:
|
|
///
|
|
BASE_INDEX_CLOSED_HASHTABLE (int size);
|
|
|
|
int Size() const { return hash.Size(); }
|
|
int UsedPos (int pos) const { return ! (hash.Get(pos) == invalid); }
|
|
int UsedElements () const;
|
|
|
|
///
|
|
int HashValue (const INDEX & ind) const
|
|
{
|
|
return (3*ind) % hash.Size() + 1;
|
|
}
|
|
|
|
|
|
int Position (const INDEX & ind) const
|
|
{
|
|
int i = HashValue(ind);
|
|
while (1)
|
|
{
|
|
if (hash.Get(i) == ind) return i;
|
|
if (hash.Get(i) == invalid) return 0;
|
|
i++;
|
|
if (i > hash.Size()) i = 1;
|
|
}
|
|
}
|
|
|
|
int CalcPositionCosts (const INDEX & ind) const
|
|
{
|
|
int i = HashValue(ind);
|
|
int costs = 1;
|
|
while (1)
|
|
{
|
|
if (hash.Get(i) == ind) return costs;
|
|
if (hash.Get(i) == invalid) return costs;
|
|
i++;
|
|
if (i > hash.Size()) i = 1;
|
|
costs++;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// returns 1, if new postion is created
|
|
int PositionCreate (const INDEX & ind, int & apos)
|
|
{
|
|
int i = HashValue (ind);
|
|
if (hash.Get(i) == ind)
|
|
{
|
|
apos = i;
|
|
return 0;
|
|
}
|
|
if (hash.Get(i) == invalid)
|
|
{
|
|
hash.Elem(i) = ind;
|
|
apos = i;
|
|
return 1;
|
|
}
|
|
return PositionCreate2 (ind, apos);
|
|
}
|
|
|
|
protected:
|
|
int Position2 (const INDEX & ind) const;
|
|
int PositionCreate2 (const INDEX & ind, int & apos);
|
|
void BaseSetSize (int asize);
|
|
};
|
|
|
|
|
|
template <class T>
|
|
class INDEX_CLOSED_HASHTABLE : public BASE_INDEX_CLOSED_HASHTABLE
|
|
{
|
|
///
|
|
MoveableArray<T> cont;
|
|
|
|
public:
|
|
///
|
|
INDEX_CLOSED_HASHTABLE (int size)
|
|
: BASE_INDEX_CLOSED_HASHTABLE(size), cont(size)
|
|
{
|
|
cont.SetName ("ind-hashtable, contents");
|
|
}
|
|
|
|
|
|
void Set (const INDEX & ahash, const T & acont)
|
|
{
|
|
int pos;
|
|
PositionCreate (ahash, pos);
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
const T & Get (const INDEX & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return cont.Get(pos);
|
|
}
|
|
|
|
///
|
|
bool Used (const INDEX & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return (pos != 0);
|
|
}
|
|
|
|
|
|
///
|
|
inline void SetData (int pos, const INDEX & ahash, const T & acont)
|
|
{
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
///
|
|
void GetData (int pos, INDEX & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(pos);
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
///
|
|
inline void SetData (int pos, const T & acont)
|
|
{
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
///
|
|
void GetData (int pos, T & acont) const
|
|
{
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
///
|
|
const T & GetData (int pos) { return cont.Get(pos); }
|
|
///
|
|
inline void SetSize (int size)
|
|
{
|
|
BaseSetSize(size);
|
|
cont.SetSize(size);
|
|
}
|
|
|
|
///
|
|
inline void DeleteData ()
|
|
{ SetSize (cont.Size()); }
|
|
|
|
void SetName (const char * aname)
|
|
{
|
|
cont.SetName(aname);
|
|
hash.SetName(aname);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Closed Hashing HT
|
|
|
|
class BASE_INDEX_2_CLOSED_HASHTABLE
|
|
{
|
|
protected:
|
|
///
|
|
MoveableArray<INDEX_2> hash;
|
|
///
|
|
int invalid;
|
|
public:
|
|
///
|
|
BASE_INDEX_2_CLOSED_HASHTABLE (int size);
|
|
|
|
int Size() const { return hash.Size(); }
|
|
int UsedPos (int pos) const { return ! (hash.Get(pos).I1() == invalid); }
|
|
int UsedElements () const;
|
|
|
|
///
|
|
int HashValue (const INDEX_2 & ind) const
|
|
{
|
|
return (ind.I1() + 71 * ind.I2()) % hash.Size() + 1;
|
|
}
|
|
|
|
|
|
int Position (const INDEX_2 & ind) const
|
|
{
|
|
int i = HashValue(ind);
|
|
while (1)
|
|
{
|
|
if (hash.Get(i) == ind) return i;
|
|
if (hash.Get(i).I1() == invalid) return 0;
|
|
i++;
|
|
if (i > hash.Size()) i = 1;
|
|
}
|
|
}
|
|
|
|
// returns 1, if new postion is created
|
|
int PositionCreate (const INDEX_2 & ind, int & apos)
|
|
{
|
|
int i = HashValue (ind);
|
|
if (hash.Get(i) == ind)
|
|
{
|
|
apos = i;
|
|
return 0;
|
|
}
|
|
if (hash.Get(i).I1() == invalid)
|
|
{
|
|
hash.Elem(i) = ind;
|
|
apos = i;
|
|
return 1;
|
|
}
|
|
return PositionCreate2 (ind, apos);
|
|
}
|
|
|
|
protected:
|
|
///
|
|
|
|
int Position2 (const INDEX_2 & ind) const;
|
|
int PositionCreate2 (const INDEX_2 & ind, int & apos);
|
|
void BaseSetSize (int asize);
|
|
};
|
|
|
|
|
|
template <class T>
|
|
class INDEX_2_CLOSED_HASHTABLE : public BASE_INDEX_2_CLOSED_HASHTABLE
|
|
{
|
|
///
|
|
MoveableArray<T> cont;
|
|
|
|
public:
|
|
///
|
|
inline INDEX_2_CLOSED_HASHTABLE (int size);
|
|
///
|
|
inline void Set (const INDEX_2 & ahash, const T & acont);
|
|
///
|
|
inline const T & Get (const INDEX_2 & ahash) const;
|
|
///
|
|
inline bool Used (const INDEX_2 & ahash) const;
|
|
///
|
|
inline void SetData (int pos, const INDEX_2 & ahash, const T & acont);
|
|
///
|
|
inline void GetData (int pos, INDEX_2 & ahash, T & acont) const;
|
|
///
|
|
inline void SetData (int pos, const T & acont);
|
|
///
|
|
inline void GetData (int pos, T & acont) const;
|
|
///
|
|
const T & GetData (int pos) { return cont.Get(pos); }
|
|
///
|
|
inline void SetSize (int size);
|
|
///
|
|
inline void PrintMemInfo (ostream & ost) const;
|
|
///
|
|
inline void DeleteData ()
|
|
{ SetSize (cont.Size()); }
|
|
|
|
void SetName (const char * aname)
|
|
{
|
|
cont.SetName(aname);
|
|
hash.SetName(aname);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
template <typename T>
|
|
inline ostream & operator<< (ostream & ost, const INDEX_2_CLOSED_HASHTABLE<T> & ht)
|
|
{
|
|
for (int i = 0; i < ht.Size(); i++)
|
|
if (ht.UsedPos(i))
|
|
{
|
|
INDEX_2 hash;
|
|
T data;
|
|
ht.GetData (i, hash, data);
|
|
ost << "hash = " << hash << ", data = " << data << endl;
|
|
}
|
|
return ost;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class BASE_INDEX_3_CLOSED_HASHTABLE
|
|
{
|
|
protected:
|
|
MoveableArray<INDEX_3> hash;
|
|
int invalid;
|
|
|
|
protected:
|
|
BASE_INDEX_3_CLOSED_HASHTABLE (int size)
|
|
: hash(size)
|
|
{
|
|
hash.SetName ("i3-hashtable, hash");
|
|
invalid = -1;
|
|
for (int i = 0; i < size; i++)
|
|
hash[i].I1() = invalid;
|
|
}
|
|
|
|
public:
|
|
int Size() const
|
|
{
|
|
return hash.Size();
|
|
}
|
|
|
|
bool UsedPos (int pos) const
|
|
{
|
|
return ! (hash[pos].I1() == invalid);
|
|
}
|
|
|
|
int UsedElements () const
|
|
{
|
|
int n = hash.Size();
|
|
int cnt = 0;
|
|
for (int i = 0; i < n; i++)
|
|
if (hash[i].I1() != invalid)
|
|
cnt++;
|
|
return cnt;
|
|
}
|
|
|
|
int HashValue (const INDEX_3 & ind) const
|
|
{
|
|
return (ind.I1() + 15 * ind.I2() + 41 * ind.I3()) % hash.Size();
|
|
}
|
|
|
|
int Position (const INDEX_3 & ind) const
|
|
{
|
|
int i = HashValue(ind);
|
|
while (1)
|
|
{
|
|
if (hash[i] == ind) return i;
|
|
if (hash[i].I1() == invalid) return -1;
|
|
i = (i+1) % hash.Size();
|
|
}
|
|
}
|
|
|
|
int Costs (const INDEX_3 & ind) const
|
|
{
|
|
int i = HashValue(ind);
|
|
int c = 1;
|
|
while (1)
|
|
{
|
|
if (hash[i] == ind) return c;
|
|
if (hash[i].I1() == invalid) return c;
|
|
i = (i+1) % hash.Size();
|
|
c++;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
// returns true, if new postion is created
|
|
bool PositionCreate (const INDEX_3 & ind, int & apos)
|
|
{
|
|
int i = HashValue (ind);
|
|
if (hash[i] == ind)
|
|
{
|
|
apos = i;
|
|
return false;
|
|
}
|
|
if (hash[i].I1() == invalid)
|
|
{
|
|
hash[i] = ind;
|
|
apos = i;
|
|
return true;
|
|
}
|
|
return PositionCreate2 (ind, apos);
|
|
}
|
|
|
|
protected:
|
|
bool PositionCreate2 (const INDEX_3 & ind, int & apos);
|
|
void BaseSetSize (int asize);
|
|
};
|
|
|
|
|
|
|
|
template <class T>
|
|
class INDEX_3_CLOSED_HASHTABLE : public BASE_INDEX_3_CLOSED_HASHTABLE
|
|
{
|
|
MoveableArray<T,0> cont;
|
|
|
|
public:
|
|
INDEX_3_CLOSED_HASHTABLE (int size)
|
|
: BASE_INDEX_3_CLOSED_HASHTABLE(size), cont(size)
|
|
{
|
|
cont.SetName ("i3-hashtable, contents");
|
|
}
|
|
|
|
void Set (const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
int pos;
|
|
PositionCreate (ahash, pos);
|
|
hash[pos] = ahash;
|
|
cont[pos] = acont;
|
|
}
|
|
|
|
const T & Get (const INDEX_3 & ahash) const
|
|
{
|
|
return cont[Position (ahash)];
|
|
}
|
|
|
|
bool Used (const INDEX_3 & ahash) const
|
|
{
|
|
return (Position (ahash) != -1);
|
|
}
|
|
|
|
void SetData (int pos, const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
hash[pos] = ahash;
|
|
cont[pos] = acont;
|
|
}
|
|
|
|
void GetData (int pos, INDEX_3 & ahash, T & acont) const
|
|
{
|
|
ahash = hash[pos];
|
|
acont = cont[pos];
|
|
}
|
|
|
|
void SetData (int pos, const T & acont)
|
|
{
|
|
cont[pos] = acont;
|
|
}
|
|
|
|
void GetData (int pos, T & acont) const
|
|
{
|
|
acont = cont[pos];
|
|
}
|
|
|
|
const T & GetData (int pos) const
|
|
{
|
|
return cont[pos];
|
|
}
|
|
|
|
void SetSize (int size)
|
|
{
|
|
BaseSetSize(size);
|
|
cont.SetSize(size);
|
|
}
|
|
|
|
void PrintMemInfo (ostream & ost) const
|
|
{
|
|
cout << "Hashtable: " << Size()
|
|
<< " entries of size " << sizeof(INDEX_3) << " + " << sizeof(T)
|
|
<< " = " << Size() * (sizeof(INDEX_3) + sizeof(T)) << " bytes" << endl;
|
|
|
|
}
|
|
|
|
void DeleteData ()
|
|
{
|
|
SetSize (cont.Size());
|
|
}
|
|
|
|
void SetName (const char * aname)
|
|
{
|
|
cont.SetName(aname);
|
|
hash.SetName(aname);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
template <typename T>
|
|
inline ostream & operator<< (ostream & ost, const INDEX_3_CLOSED_HASHTABLE<T> & ht)
|
|
{
|
|
for (int i = 0; i < ht.Size(); i++)
|
|
if (ht.UsedPos(i))
|
|
{
|
|
INDEX_3 hash;
|
|
T data;
|
|
ht.GetData (i, hash, data);
|
|
ost << "hash = " << hash << ", data = " << data << endl;
|
|
}
|
|
return ost;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
template<class T>
|
|
inline INDEX_3_HASHTABLE<T> :: INDEX_3_HASHTABLE (int size)
|
|
: BASE_INDEX_3_HASHTABLE (size), cont(size)
|
|
{
|
|
;
|
|
}
|
|
|
|
template<class T>
|
|
inline int INDEX_3_HASHTABLE<T> :: PositionCreate (const INDEX_3 & ahash, int & bnr, int & colnr)
|
|
{
|
|
bnr = HashValue (ahash);
|
|
colnr = Position (bnr, ahash);
|
|
if (!colnr)
|
|
{
|
|
hash.Add (bnr, ahash);
|
|
cont.AddEmpty (bnr);
|
|
colnr = cont.EntrySize (bnr);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: Set (const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
if (pos)
|
|
cont.Set (bnr, pos, acont);
|
|
else
|
|
{
|
|
hash.Add1 (bnr, ahash);
|
|
cont.Add1 (bnr, acont);
|
|
}
|
|
}
|
|
|
|
template<class T>
|
|
inline const T & INDEX_3_HASHTABLE<T> :: Get (const INDEX_3 & ahash) const
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
return cont.Get (bnr, pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline bool INDEX_3_HASHTABLE<T> :: Used (const INDEX_3 & ahash) const
|
|
{
|
|
return (Position (HashValue (ahash), ahash)) ? 1 : 0;
|
|
}
|
|
|
|
template<class T>
|
|
inline int INDEX_3_HASHTABLE<T> :: GetNBags () const
|
|
{
|
|
return cont.Size();
|
|
}
|
|
|
|
template<class T>
|
|
inline int INDEX_3_HASHTABLE<T> :: GetBagSize (int bnr) const
|
|
{
|
|
return cont.EntrySize (bnr);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: GetData (int bnr, int colnr, INDEX_3 & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(bnr, colnr);
|
|
acont = cont.Get(bnr, colnr);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: SetData (int bnr, int colnr, const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
hash.Set(bnr, colnr, ahash);
|
|
cont.Set(bnr, colnr, acont);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: SetSize (int size)
|
|
{
|
|
hash.SetSize (size);
|
|
cont.SetSize (size);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: DeleteData ()
|
|
{
|
|
int n = hash.Size();
|
|
hash.SetSize (n);
|
|
cont.SetSize (n);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: PrepareSet (const INDEX_3 & ahash)
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
hash.IncSizePrepare (bnr-1);
|
|
cont.IncSizePrepare (bnr-1);
|
|
}
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: AllocateElements ()
|
|
{
|
|
hash.AllocateElementsOneBlock();
|
|
cont.AllocateElementsOneBlock();
|
|
}
|
|
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_3_HASHTABLE<T> :: PrintMemInfo (ostream & ost) const
|
|
{
|
|
ost << "Hash: " << endl;
|
|
hash.PrintMemInfo (ost);
|
|
ost << "Cont: " << endl;
|
|
cont.PrintMemInfo (ost);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
template<class T>
|
|
inline INDEX_HASHTABLE<T> :: INDEX_HASHTABLE (int size)
|
|
: BASE_INDEX_HASHTABLE (size), cont(size)
|
|
{
|
|
;
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_HASHTABLE<T> :: Set (const INDEX & ahash, const T & acont)
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
if (pos)
|
|
cont.Set (bnr, pos, acont);
|
|
else
|
|
{
|
|
hash.Add (bnr, ahash);
|
|
cont.Add (bnr, acont);
|
|
}
|
|
}
|
|
|
|
template<class T>
|
|
inline const T & INDEX_HASHTABLE<T> :: Get (const INDEX & ahash) const
|
|
{
|
|
int bnr = HashValue (ahash);
|
|
int pos = Position (bnr, ahash);
|
|
return cont.Get (bnr, pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline bool INDEX_HASHTABLE<T> :: Used (const INDEX & ahash) const
|
|
{
|
|
return (Position (HashValue (ahash), ahash)) ? 1 : 0;
|
|
}
|
|
|
|
template<class T>
|
|
inline int INDEX_HASHTABLE<T> :: GetNBags () const
|
|
{
|
|
return hash.Size();
|
|
}
|
|
|
|
template<class T>
|
|
inline int INDEX_HASHTABLE<T> :: GetBagSize (int bnr) const
|
|
{
|
|
return hash.EntrySize(bnr);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_HASHTABLE<T> :: GetData (int bnr, int colnr, INDEX & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(bnr, colnr);
|
|
acont = cont.Get(bnr, colnr);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_HASHTABLE<T> :: PrintMemInfo (ostream & ost) const
|
|
{
|
|
ost << "Hash: " << endl;
|
|
hash.PrintMemInfo (ost);
|
|
ost << "Cont: " << endl;
|
|
cont.PrintMemInfo (ost);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* *********** Closed Hashing ************************* */
|
|
|
|
|
|
|
|
template<class T>
|
|
inline INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
INDEX_2_CLOSED_HASHTABLE (int size)
|
|
: BASE_INDEX_2_CLOSED_HASHTABLE(size), cont(size)
|
|
{
|
|
cont.SetName ("i2-hashtable, contents");
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
Set (const INDEX_2 & ahash, const T & acont)
|
|
{
|
|
int pos;
|
|
PositionCreate (ahash, pos);
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline const T & INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
Get (const INDEX_2 & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return cont.Get(pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline bool INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
Used (const INDEX_2 & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return (pos != 0);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
SetData (int pos, const INDEX_2 & ahash, const T & acont)
|
|
{
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
GetData (int pos, INDEX_2 & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(pos);
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
SetData (int pos, const T & acont)
|
|
{
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
GetData (int pos, T & acont) const
|
|
{
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
SetSize (int size)
|
|
{
|
|
BaseSetSize(size);
|
|
cont.SetSize(size);
|
|
}
|
|
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_2_CLOSED_HASHTABLE<T> ::
|
|
PrintMemInfo (ostream & ost) const
|
|
{
|
|
cout << "Hashtable: " << Size()
|
|
<< " entries of size " << sizeof(INDEX_2) << " + " << sizeof(T)
|
|
<< " = " << Size() * (sizeof(INDEX_2) + sizeof(T)) << " bytes."
|
|
<< " Used els: " << UsedElements()
|
|
<< endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
template<class T>
|
|
inline INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
INDEX_3_CLOSED_HASHTABLE (int size)
|
|
: BASE_INDEX_3_CLOSED_HASHTABLE(size), cont(size)
|
|
{
|
|
cont.SetName ("i3-hashtable, contents");
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
Set (const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
int pos;
|
|
PositionCreate (ahash, pos);
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline const T & INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
Get (const INDEX_3 & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return cont[pos];
|
|
}
|
|
|
|
template<class T>
|
|
inline bool INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
Used (const INDEX_3 & ahash) const
|
|
{
|
|
int pos = Position (ahash);
|
|
return (pos != 0);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
SetData (int pos, const INDEX_3 & ahash, const T & acont)
|
|
{
|
|
hash.Elem(pos) = ahash;
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
GetData (int pos, INDEX_3 & ahash, T & acont) const
|
|
{
|
|
ahash = hash.Get(pos);
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
SetData (int pos, const T & acont)
|
|
{
|
|
cont.Elem(pos) = acont;
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
GetData (int pos, T & acont) const
|
|
{
|
|
acont = cont.Get(pos);
|
|
}
|
|
|
|
template<class T>
|
|
inline const T & INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
GetData (int pos) const
|
|
{
|
|
return cont.Get(pos);
|
|
}
|
|
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
SetSize (int size)
|
|
{
|
|
BaseSetSize(size);
|
|
cont.SetSize(size);
|
|
}
|
|
|
|
template<class T>
|
|
inline void INDEX_3_CLOSED_HASHTABLE<T> ::
|
|
PrintMemInfo (ostream & ost) const
|
|
{
|
|
cout << "Hashtable: " << Size()
|
|
<< " entries of size " << sizeof(INDEX_3) << " + " << sizeof(T)
|
|
<< " = " << Size() * (sizeof(INDEX_3) + sizeof(T)) << " bytes" << endl;
|
|
}
|
|
*/
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif
|