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/**************************************************************************/
/* File: bitarray.cpp */
/* Autho: Joachim Schoeberl */
/* Date: 01. Jun. 95 */
/**************************************************************************/
/*
data type BitArray
*/
#include "bitarray.hpp"
#include "archive.hpp"
namespace ngcore
{
BitArray :: BitArray (size_t asize)
{
size = 0;
data = NULL;
SetSize (asize);
}
BitArray :: BitArray (size_t asize, LocalHeap & lh)
{
size = asize;
data = new (lh) unsigned char [Addr (size)+1];
owns_data = false;
}
BitArray :: BitArray (const BitArray & ba2)
{
size = 0;
data = NULL;
(*this) = ba2;
}
void BitArray :: SetSize (size_t asize)
{
if (size == asize) return;
if (owns_data)
{
delete [] data;
mt.Free(GetMemoryUsage());
}
size = asize;
data = new unsigned char [Addr (size)+1];
owns_data = true;
mt.Alloc(GetMemoryUsage());
}
BitArray & BitArray :: Set () throw()
{
if (!size) return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] = UCHAR_MAX;
return *this;
}
BitArray & BitArray :: Clear () throw()
{
if (!size) return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] = 0;
return *this;
}
BitArray & BitArray :: Invert ()
{
if (!size) return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] ^= 255;
return *this;
}
BitArray & BitArray :: And (const BitArray & ba2)
{
if (!size) return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] &= ba2.data[i];
return *this;
}
BitArray & BitArray :: Or (const BitArray & ba2)
{
if (!size) return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] |= ba2.data[i];
return *this;
}
bool BitArray :: operator==(const BitArray& other) const
{
if(size != other.Size())
return false;
for(auto i : Range(size/CHAR_BIT))
if(data[i] != other.data[i])
return false;
for(auto i : Range(size%CHAR_BIT))
if(Test(i + CHAR_BIT * (size/CHAR_BIT)) != other.Test(i + CHAR_BIT * (size/CHAR_BIT)))
return false;
return true;
}
BitArray & BitArray :: operator= (const BitArray & ba2)
{
SetSize (ba2.Size());
if (!size)
return *this;
for (size_t i = 0; i <= Addr (size); i++)
data[i] = ba2.data[i];
return *this;
}
std::ostream & operator<<(std::ostream & s, const BitArray & ba)
{
size_t n = ba.Size();
for (size_t i = 0; i < n; i++)
{
if (i % 50 == 0) s << i << ": ";
s << int(ba[i]);
if (i % 50 == 49) s << "\n";
}
s << std::flush;
return s;
}
size_t BitArray :: NumSet () const
{
size_t cnt = 0;
for (size_t i = 0; i < Size(); i++)
if (Test(i)) cnt++;
return cnt;
}
void BitArray :: DoArchive(Archive& archive)
{
if(archive.GetVersion("netgen") >= "v6.2.2007-62")
{
archive.NeedsVersion("netgen", "v6.2.2007-62");
auto size = Size();
archive & size;
if(archive.Input())
SetSize(size);
if(archive.GetVersion("netgen") < "v6.2.2009-20")
archive.Do(data, size/CHAR_BIT+1);
else
{
archive.NeedsVersion("netgen", "v6.2.2009-20");
archive.Do(data, size/CHAR_BIT);
for(size_t i = 0; i < size%CHAR_BIT; i++)
{
size_t index = CHAR_BIT * (size/CHAR_BIT) + i;
bool b = Test(index);
archive & b;
b ? SetBit(index) : Clear(index);
}
}
}
else
{
if (archive.Output())
{
throw Exception("should not get here");
archive << Size();
for (size_t i = 0; i < Size(); i++)
archive << (*this)[i];
}
else
{
size_t size;
archive & size;
SetSize (size);
Clear();
for (size_t i = 0; i < size; i++)
{
bool b;
archive & b;
if (b) SetBit(i);
}
}
}
}
} // namespace ngcore
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