mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-11 16:49:16 +05:00
113 lines
1.6 KiB
C++
113 lines
1.6 KiB
C++
#ifndef FILE_STACK
|
|
#define FILE_STACK
|
|
|
|
/*****************************************************************************/
|
|
/* File: stack.hh */
|
|
/* Author: Wolfram Muehlhuber */
|
|
/* Date: September 98 */
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
|
|
Stack class, based on a resizable array
|
|
|
|
*/
|
|
|
|
|
|
#include "array.hpp"
|
|
|
|
|
|
///
|
|
template <class T> class STACK
|
|
{
|
|
public:
|
|
///
|
|
inline STACK (INDEX asize = 0, INDEX ainc = 0);
|
|
///
|
|
inline ~STACK ();
|
|
|
|
///
|
|
inline void Push (const T & el);
|
|
///
|
|
inline T & Pop ();
|
|
///
|
|
const inline T & Top () const;
|
|
///
|
|
inline int IsEmpty () const;
|
|
///
|
|
inline void MakeEmpty ();
|
|
|
|
private:
|
|
///
|
|
Array<T> elems;
|
|
///
|
|
INDEX size;
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
Stack class, based on a resizable array
|
|
|
|
*/
|
|
|
|
template <class T>
|
|
inline STACK<T> :: STACK (INDEX asize, INDEX ainc)
|
|
: elems(asize, ainc)
|
|
{
|
|
size = 0;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
inline STACK<T> :: ~STACK ()
|
|
{
|
|
;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
inline void STACK<T> :: Push (const T & el)
|
|
{
|
|
if (size < elems.Size())
|
|
elems.Elem(++size) = el;
|
|
else
|
|
{
|
|
elems.Append(el);
|
|
size++;
|
|
}
|
|
}
|
|
|
|
|
|
template <class T>
|
|
inline T & STACK<T> :: Pop ()
|
|
{
|
|
return elems.Elem(size--);
|
|
}
|
|
|
|
|
|
template <class T>
|
|
const inline T & STACK<T> :: Top () const
|
|
{
|
|
return elems.Get(size);
|
|
}
|
|
|
|
template <class T>
|
|
inline int STACK<T> :: IsEmpty () const
|
|
{
|
|
return (size == 0);
|
|
}
|
|
|
|
|
|
template <class T>
|
|
inline void STACK<T> :: MakeEmpty ()
|
|
{
|
|
size = 0;
|
|
}
|
|
|
|
|
|
|
|
#endif
|