netgen/libsrc/general/ngbitarray.hpp
Matthias Hochsteger b694b4667a rework build system, separate gui and non-gui code
move fieldlines code to meshing dir

move visualization function pointers to meshing directory

DLL_HEADER -> NGGUI_API in visualization lib

move soldata.hpp to meshing

update occ, no freetype necessary anymore
2022-05-05 14:39:31 +02:00

148 lines
2.5 KiB
C++

#ifndef FILE_BitArray
#define FILE_BitArray
/**************************************************************************/
/* File: bitarray.hpp */
/* Author: Joachim Schoeberl */
/* Date: 01. Jun. 95 */
/**************************************************************************/
#include <limits.h>
namespace netgen
{
/**
data type NgBitArray
NgBitArray is a compressed array of Boolean information. By Set and Clear
the whole array or one bit can be set or reset, respectively.
Test returns the state of the occurring bit.
No range checking is done.
index ranges from 0 to size-1
*/
class NgBitArray
{
INDEX size;
unsigned char * data;
public:
DLL_HEADER NgBitArray ();
///
DLL_HEADER NgBitArray (INDEX asize);
///
DLL_HEADER ~NgBitArray ();
///
DLL_HEADER void SetSize (INDEX asize);
///
INDEX Size () const
{
return size;
}
///
DLL_HEADER void Set ();
///
void Set (INDEX i)
{
data[Addr(i)] |= Mask(i);
}
DLL_HEADER void Clear ();
void Clear (INDEX i)
{
data[Addr(i)] &= ~Mask(i);
}
bool Test (INDEX i) const
{
return (data[i / CHAR_BIT] & (char(1) << (i % CHAR_BIT) ) ) ? true : false;
}
///
void Invert ();
///
void And (const NgBitArray & ba2);
///
void Or (const NgBitArray & ba2);
private:
///
inline unsigned char Mask (INDEX i) const
{
return char(1) << (i % CHAR_BIT);
}
///
inline INDEX Addr (INDEX i) const
{
return (i / CHAR_BIT);
}
///
NgBitArray & operator= (NgBitArray &);
///
NgBitArray (const NgBitArray &);
};
// print bitarray
inline ostream & operator<< (ostream & s, const NgBitArray & a)
{
for (int i = 1; i <= a.Size(); i++)
{
s << int (a.Test(i));
if (i % 40 == 0) s << "\n";
}
if (a.Size() % 40 != 0) s << "\n";
return s;
}
/*
inline
INDEX NgBitArray :: Size () const
{
return size;
}
inline
unsigned char NgBitArray :: Mask (INDEX i) const
{
return char(1) << (i % CHAR_BIT);
}
inline
INDEX NgBitArray :: Addr (INDEX i) const
{
return (i / CHAR_BIT);
}
inline
void NgBitArray :: Set (INDEX i)
{
data[Addr(i)] |= Mask(i);
}
inline
void NgBitArray :: Clear (INDEX i)
{
data[Addr(i)] &= ~Mask(i);
}
inline
int NgBitArray :: Test (INDEX i) const
{
return (data[i / CHAR_BIT] & (char(1) << (i % CHAR_BIT) ) ) ? 1 : 0;
}
*/
}
#endif