/usr/include/rdkit/DataStructs/ExplicitBitVect.h is in librdkit-dev 201309-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (c) 2003-2008 greg Landrum and Rational Discovery LLC
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
#ifndef __RD_EXPLICITBITVECTS_H__
#define __RD_EXPLICITBITVECTS_H__
#include <boost/dynamic_bitset.hpp>
#include "BitVect.h"
//! a class for bit vectors that are densely occupied
/*!
ExplicitBitVect objects store all of their bits using
a boost::dynamic_bitset
These are very fast, but can require large amounts of memory for large,
sparsely occupied vectors.
*/
class ExplicitBitVect : public BitVect {
public:
ExplicitBitVect() : dp_bits(0), d_size(0), d_numOnBits(0) {};
//! initialize with a particular size;
explicit ExplicitBitVect(unsigned int size) : dp_bits(0), d_size(0), d_numOnBits(0) {_initForSize(size);};
ExplicitBitVect(const ExplicitBitVect& other);
//! construct from a string pickle
ExplicitBitVect(const std::string &);
//! construct from a text pickle
ExplicitBitVect(const char *,const unsigned int);
~ExplicitBitVect();
ExplicitBitVect& operator=(const ExplicitBitVect& other);
bool operator[] (const unsigned int which) const;
bool setBit(const unsigned int which);
bool unsetBit(const unsigned int which);
bool getBit(const unsigned int which) const;
ExplicitBitVect operator^ (const ExplicitBitVect &other) const;
ExplicitBitVect operator& (const ExplicitBitVect &other) const;
ExplicitBitVect operator| (const ExplicitBitVect &other) const;
ExplicitBitVect operator~ () const;
unsigned int getNumBits() const;
unsigned int getNumOnBits() const;
unsigned int getNumOffBits() const;
void getOnBits (IntVect& v) const;
// FIX: complete these
void clearBits() { dp_bits->reset(); };
std::string toString() const;
boost::dynamic_bitset<> *dp_bits; //!< our raw storage
bool operator==(const ExplicitBitVect &o) const {
return *dp_bits==*o.dp_bits;
}
bool operator!=(const ExplicitBitVect &o) const {
return *dp_bits!=*o.dp_bits;
}
private:
unsigned int d_size;
unsigned int d_numOnBits;
void _initForSize(const unsigned int size);
};
#endif
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