| 1 | /*
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| 2 |  * Project: MoleCuilder
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| 3 |  * Description: creates and alters molecular systems
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| 4 |  * Copyright (C)  2010 University of Bonn. All rights reserved.
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| 5 |  * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
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| 6 |  */
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| 7 | 
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| 8 | /** \file Bond.cpp
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| 9 |  * 
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| 10 |  * Function implementations for the classes BondLeaf, BondTree and bond.
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| 11 |  * 
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| 12 |  */
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| 13 | 
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| 14 | // include config.h
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| 15 | #ifdef HAVE_CONFIG_H
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| 16 | #include <config.h>
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| 17 | #endif
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| 18 | 
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| 19 | #include "CodePatterns/MemDebug.hpp"
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| 20 | 
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| 21 | #include "CodePatterns/Log.hpp"
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| 22 | #include "CodePatterns/Verbose.hpp"
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| 23 | #include "atom.hpp"
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| 24 | #include "Bond/bond.hpp"
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| 25 | #include "Element/element.hpp"
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| 26 | 
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| 27 | 
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| 28 | /***************************************** Functions for class bond ********************************/
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| 29 | 
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| 30 | /** Empty Constructor for class bond.
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| 31 |  */
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| 32 | bond::bond() :
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| 33 |   leftatom(NULL),
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| 34 |   rightatom(NULL),
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| 35 |   HydrogenBond(0),
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| 36 |   BondDegree(0)
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| 37 | {};
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| 38 | 
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| 39 | /** Constructor for class bond, taking right and left bond partner
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| 40 |  * \param *left left atom
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| 41 |  * \param *right right atom
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| 42 |  * \param degree bond degree
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| 43 |  * \param number increasing index
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| 44 |  */
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| 45 | bond::bond(atom *left, atom *right, const int degree) :
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| 46 |   leftatom(left),
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| 47 |   rightatom(right),
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| 48 |   HydrogenBond(0),
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| 49 |   BondDegree(degree)
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| 50 | {
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| 51 |   if ((left != NULL) && (right != NULL)) {
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| 52 |     if ((left->getType() != NULL) && (left->getType()->getAtomicNumber() == 1))
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| 53 |       HydrogenBond++;
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| 54 |     if ((right->getType() != NULL) && (right->getType()->getAtomicNumber() == 1))
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| 55 |       HydrogenBond++;
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| 56 |   }
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| 57 | };
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| 58 | 
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| 59 | /** Empty Destructor for class bond.
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| 60 |  */
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| 61 | bond::~bond()
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| 62 | {
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| 63 |   // remove this node from the list structure
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| 64 |   if (leftatom != NULL)
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| 65 |     leftatom->removeBond(this);
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| 66 |   // there might be self-bonds
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| 67 |   if ((leftatom != rightatom) && (rightatom != NULL))
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| 68 |     rightatom->removeBond(this);
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| 69 | };
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| 70 | 
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| 71 | ostream & operator << (ostream &ost, const bond &b)
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| 72 | {
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| 73 |   ost << "[" << b.leftatom->getName() << " <" << b.BondDegree << "(H" << b.HydrogenBond << ")>" << b.rightatom->getName() << "]";
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| 74 |   return ost;
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| 75 | };
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| 76 | 
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| 77 | /** Get the other atom in a bond if one is specified.
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| 78 |  * \param *Atom the pointer to the one atom
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| 79 |  * \return pointer to the other atom in the bond, NULL if no match (indicates something's wrong with the bond) 
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| 80 |  */
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| 81 | atom * bond::GetOtherAtom(const ParticleInfo * const Atom) const
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| 82 | {
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| 83 |   if(leftatom == Atom) 
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| 84 |     return rightatom;
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| 85 |   if(rightatom == Atom) 
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| 86 |     return leftatom;
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| 87 |   DoeLog(1) && (eLog()<< Verbose(1) << "Bond " << *this << " does not contain atom " << *Atom << "!" << endl);
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| 88 |   return NULL;
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| 89 | };
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| 90 | 
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| 91 | 
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| 92 | /** Checks if an atom exists in a bond.
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| 93 |  * \param *ptr pointer to atom
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| 94 |  * \return true if it is either bond::leftatom or bond::rightatom, false otherwise
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| 95 |  */
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| 96 | bool bond::Contains(const ParticleInfo * const ptr) const
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| 97 | {
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| 98 |   return ((leftatom == ptr) || (rightatom == ptr));
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| 99 | };
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| 100 | 
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| 101 | /** Checks if an atom exists in a bond.
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| 102 |  * \param Nr index of atom
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| 103 |  * \return true if it is either bond::leftatom or bond::rightatom, false otherwise
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| 104 |  */
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| 105 | bool bond::Contains(const int number) const
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| 106 | {
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| 107 |   return ((leftatom->getNr() == number) || (rightatom->getNr() == number));
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| 108 | };
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| 109 | 
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| 110 | /** Calculates the bond length.
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| 111 |  * \return |a - b| with a = bond::leftatom and b = bond::rightatom.
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| 112 |  */
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| 113 | double bond::GetDistance() const
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| 114 | {
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| 115 |   return (leftatom->distance(*rightatom));
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| 116 | };
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| 117 | 
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| 118 | /** Calculates the bond length.
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| 119 |  * \return |a - b|^2 with a = bond::leftatom and b = bond::rightatom.
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| 120 |  */
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| 121 | double bond::GetDistanceSquared() const
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| 122 | {
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| 123 |   return (leftatom->DistanceSquared(*rightatom));
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| 124 | };
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