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//
// Copyright (C) 2007-2011 Greg Landrum
//
// @@ 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.
//
/*! \file Lipinski.h
\brief Contains Lipinski and Lipinski-like descriptors. Use MolDescriptors.h
in client code.
*/
#include <RDGeneral/export.h>
#ifndef __RD_LIPINSKI_H__
#define __RD_LIPINSKI_H__
#include "RegisterDescriptor.h"
namespace RDKit {
class ROMol;
namespace Descriptors {
const std::string lipinskiHBAVersion = "1.0.0";
//! calculates the standard Lipinski HBA definition (number of Ns and Os)
RDKIT_DESCRIPTORS_EXPORT unsigned int calcLipinskiHBA(const ROMol &mol);
const std::string lipinskiHBDVersion = "2.0.0";
//! calculates the standard Lipinski HBA definition (number of N-H and O-H
// bonds)
RDKIT_DESCRIPTORS_EXPORT unsigned int calcLipinskiHBD(const ROMol &mol);
enum NumRotatableBondsOptions {
Default = -1,
NonStrict = 0,
Strict = 1,
StrictLinkages = 2,
};
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumRotatableBondsVersion;
//! calculates the number of rotatable bonds
/*!
\param mol the molecule of interest
\param strict if Strict, a stricter definition of rotable bonds is used
this excludes amides, esters, etc.
if StrictLinkages, a much stricter definition that
handles rotatable bonds between rings as well.
if Default - uses the default choice (normally Strict)
*/
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumRotatableBonds(const ROMol &mol,
NumRotatableBondsOptions useStrictDefinition=Default);
//! calculates the number of rotatable bonds ( backwards compatibility function,
//! deprecated, please use calcNumRotatableBonds(const ROMol&, int)
/*!
\param mol the molecule of interest
\param strict if Strict == true, uses NumRotatableBondsOptions::Strict
*/
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumRotatableBonds(const ROMol &mol, bool strict);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumHBDVersion;
//! calculates the number of H-bond donors
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumHBD(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumHBAVersion;
//! calculates the number of H-bond acceptors
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumHBA(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumHeteroatomsVersion;
//! calculates the number of heteroatoms
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumHeteroatoms(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAmideBondsVersion;
//! calculates the number of amide bonds
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAmideBonds(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string FractionCSP3Version;
//! calculates the fraction of carbons that are SP3 hybridized
RDKIT_DESCRIPTORS_EXPORT double calcFractionCSP3(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumRingsVersion;
//! calculates the number of SSSR rings
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumRings(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAromaticRingsVersion;
//! calculates the number of aromatic SSSR rings
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAromaticRings(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAliphaticRingsVersion;
//! calculates the number of aliphatic (at least one non-aromatic bond) SSSR
// rings
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAliphaticRings(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumSaturatedRingsVersion;
//! calculates the number of saturated SSSR rings
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumSaturatedRings(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumHeterocyclesVersion;
//! calculates the number of SSSR heterocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumHeterocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAromaticHeterocyclesVersion;
//! calculates the number of aromatic SSSR heterocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAromaticHeterocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAromaticCarbocyclesVersion;
//! calculates the number of aromatic SSSR carbocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAromaticCarbocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumSaturatedHeterocyclesVersion;
//! calculates the number of saturated SSSR heterocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumSaturatedHeterocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumSaturatedCarbocyclesVersion;
//! calculates the number of saturated SSSR carbocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumSaturatedCarbocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAliphaticHeterocyclesVersion;
//! calculates the number of aliphatic (at least one non-aromatic bond) SSSR
// heterocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAliphaticHeterocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAliphaticCarbocyclesVersion;
//! calculates the number of aliphatic (at least one non-aromatic bond) SSSR
// carbocycles
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumAliphaticCarbocycles(const ROMol &mol);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumSpiroAtomsVersion;
//! calculates the number of spiro atoms (atoms shared between rings that share
// exactly one atom)
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumSpiroAtoms(const ROMol &mol,
std::vector<unsigned int> *atoms = NULL);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumBridgeheadAtomsVersion;
//! calculates the number of bridgehead atoms (atoms shared between rings that
// share at least two bonds)
RDKIT_DESCRIPTORS_EXPORT unsigned int calcNumBridgeheadAtoms(const ROMol &mol,
std::vector<unsigned int> *atoms = NULL);
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumAtomStereoCentersVersion;
//! calculates the total number of atom stereo centers
RDKIT_DESCRIPTORS_EXPORT unsigned numAtomStereoCenters(const ROMol &mol);
//! calculates the number of unspecified stereo atom stereo centers
RDKIT_DESCRIPTORS_EXPORT extern const std::string NumUnspecifiedAtomStereoCentersVersion;
RDKIT_DESCRIPTORS_EXPORT unsigned numUnspecifiedAtomStereoCenters(const ROMol &mol);
//! Helper function to register the descriptors with the descriptor service
RDKIT_DESCRIPTORS_EXPORT void registerDescriptors();
} // end of namespace Descriptors
} // end of namespace RDKit
#endif
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