/usr/include/rdkit/DataStructs/ExplicitBitVect.h is in librdkit-dev 201603.5+dfsg-1ubuntu1.
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// Copyright (c) 2003-208 greg Landrum and Rational Discovery LLC
// Copyright (c) 2014, Novartis Institutes for BioMedical Research Inc.
//
// @@ 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);
};
//! initialize with a particular size and all bits set
ExplicitBitVect(unsigned int size, bool bitsSet);
ExplicitBitVect(const ExplicitBitVect &other);
//! construct from a string pickle
ExplicitBitVect(const std::string &);
//! construct from a text pickle
ExplicitBitVect(const char *, const unsigned int);
//! construct directly from a dynamic_bitset pointer
// takes ownership of the pointer
ExplicitBitVect(boost::dynamic_bitset<> *bits)
: dp_bits(bits), d_size(bits->size()), d_numOnBits(bits->count()){};
~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;
/* concatenate two ExplicitBitVects */
ExplicitBitVect operator+(const ExplicitBitVect &other) const;
ExplicitBitVect &operator^=(const ExplicitBitVect &other);
ExplicitBitVect &operator&=(const ExplicitBitVect &other);
ExplicitBitVect &operator|=(const ExplicitBitVect &other);
/* concatenate two ExplicitBitVects */
ExplicitBitVect &operator+=(const ExplicitBitVect &other);
unsigned int getNumBits() const;
unsigned int getNumOnBits() const;
unsigned int getNumOffBits() const;
void getOnBits(IntVect &v) const;
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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