source: molecuilder/src/atom.cpp@ 2aea0b

Last change on this file since 2aea0b was bc3953, checked in by Saskia Metzler <metzler@…>, 16 years ago

Ticket 17: Write new function molecule::CopyMoleculeFromSubRegion()

  • Property mode set to 100755
File size: 3.4 KB
Line 
1/** \file atom.cpp
2 *
3 * Function implementations for the class atom.
4 *
5 */
6
7#include "atom.hpp"
8
9/************************************* Functions for class atom *************************************/
10
11/** Constructor of class atom.
12 */
13atom::atom()
14{
15 father = this; // generally, father is itself
16 previous = NULL;
17 next = NULL;
18 Ancestor = NULL;
19 type = NULL;
20 sort = NULL;
21 FixedIon = 0;
22 GraphNr = -1;
23 ComponentNr = NULL;
24 IsCyclic = false;
25 SeparationVertex = false;
26 LowpointNr = -1;
27 AdaptiveOrder = 0;
28 MaxOrder = false;
29 // set LCNode::Vector to our Vector
30 node = &x;
31};
32
33/** Constructor of class atom.
34 */
35atom::atom(atom *pointer)
36{
37 Name = NULL;
38 previous = NULL;
39 next = NULL;
40 father = pointer; // generally, father is itself
41 Ancestor = NULL;
42 GraphNr = -1;
43 ComponentNr = NULL;
44 IsCyclic = false;
45 SeparationVertex = false;
46 LowpointNr = -1;
47 AdaptiveOrder = 0;
48 MaxOrder = false;
49 type = pointer->type; // copy element of atom
50 x.CopyVector(&pointer->x); // copy coordination
51 v.CopyVector(&pointer->v); // copy velocity
52 FixedIon = pointer->FixedIon;
53 nr = -1;
54 sort = &nr;
55 node = &x;
56}
57
58
59/** Destructor of class atom.
60 */
61atom::~atom()
62{
63 Free((void **)&ComponentNr, "atom::~atom: *ComponentNr");
64};
65
66
67/** Climbs up the father list until NULL, last is returned.
68 * \return true father, i.e. whose father points to itself, NULL if it could not be found or has none (added hydrogen)
69 */
70atom *atom::GetTrueFather()
71{
72 atom *walker = this;
73 do {
74 if (walker == walker->father) // top most father is the one that points on itself
75 break;
76 walker = walker->father;
77 } while (walker != NULL);
78 return walker;
79};
80
81/** Output of a single atom.
82 * \param ElementNo cardinal number of the element
83 * \param AtomNo cardinal number among these atoms of the same element
84 * \param *out stream to output to
85 * \param *comment commentary after '#' sign
86 */
87bool atom::Output(int ElementNo, int AtomNo, ofstream *out, const char *comment) const
88{
89 if (out != NULL) {
90 *out << "Ion_Type" << ElementNo << "_" << AtomNo << "\t" << fixed << setprecision(9) << showpoint;
91 *out << x.x[0] << "\t" << x.x[1] << "\t" << x.x[2];
92 *out << "\t" << FixedIon;
93 if (v.Norm() > MYEPSILON)
94 *out << "\t" << scientific << setprecision(6) << v.x[0] << "\t" << v.x[1] << "\t" << v.x[2] << "\t";
95 if (comment != NULL)
96 *out << " # " << comment << endl;
97 else
98 *out << " # molecule nr " << nr << endl;
99 return true;
100 } else
101 return false;
102};
103
104/** Output of a single atom as one lin in xyz file.
105 * \param *out stream to output to
106 */
107bool atom::OutputXYZLine(ofstream *out) const
108{
109 if (out != NULL) {
110 *out << type->symbol << "\t" << x.x[0] << "\t" << x.x[1] << "\t" << x.x[2] << "\t" << endl;
111 return true;
112 } else
113 return false;
114};
115
116ostream & operator << (ostream &ost, const atom &a)
117{
118 ost << "[" << a.Name << "|" << &a << "]";
119 return ost;
120};
121
122ostream & atom::operator << (ostream &ost)
123{
124 ost << "[" << Name << "|" << this << "]";
125 return ost;
126};
127
128/** Compares the indices of \a this atom with a given \a ptr.
129 * \param ptr atom to compare index against
130 * \return true - this one's is smaller, false - not
131 */
132bool atom::Compare(const atom &ptr)
133{
134 if (nr < ptr.nr)
135 return true;
136 else
137 return false;
138};
139
140bool operator < (atom &a, atom &b)
141{
142 return a.Compare(b);
143};
144
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