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root/group/trunk/OOPSE/libmdtools/Atom.hpp
Revision: 829
Committed: Tue Oct 28 16:03:37 2003 UTC (20 years, 8 months ago) by gezelter
File size: 5927 byte(s)
Log Message:
replace c++ header stuff with more portable c header stuff
Also, mod file fixes and portability changes
Some fortran changes will need to be reversed.

File Contents

# Content
1 #ifndef _ATOM_H_
2 #define _ATOM_H_
3
4 #include <string.h>
5 #include <stdlib.h>
6 #include <iostream>
7
8 #include "SimState.hpp"
9
10 class Atom{
11 public:
12
13 Atom(int theIndex, SimState* theConfig );
14 virtual ~Atom() {}
15
16 virtual void setCoords(void);
17
18 void getPos( double theP[3] );
19 void setPos( double theP[3] );
20
21 void getVel( double theV[3] );
22 void setVel( double theV[3] );
23
24 void getFrc( double theF[3] );
25 void addFrc( double theF[3] );
26
27 virtual void zeroForces() = 0;
28
29 double getMass() const {return c_mass;}
30 void setMass(double mass) {c_mass = mass;}
31
32 double getEamRcut() const {return myEamRcut;}
33 void setEamRcut(double eamRcut) {myEamRcut = eamRcut;}
34
35 double getSigma() const {return c_sigma;}
36 void setSigma(double sigma) {c_sigma = sigma;}
37
38 double getEpslon() const {return c_epslon;}
39 void setEpslon(double epslon) {c_epslon = epslon;}
40
41 double getCovalent() const {return c_covalent;}
42 void setCovalent(double covalent) {c_covalent = covalent;}
43
44 int getIndex() const {return index;}
45 void setIndex(int theIndex);
46 char *getType() {return c_name;}
47 void setType(char * name) {strcpy(c_name,name);}
48
49 int getIdent( void ) { return ident; }
50 void setIdent( int info ) { ident = info; }
51
52 #ifdef IS_MPI
53 int getGlobalIndex( void ) { return myGlobalIndex; }
54 void setGlobalIndex( int info ) { myGlobalIndex = info; }
55 #endif // is_mpi
56
57 void set_n_hydrogens( int n_h ) {c_n_hyd = n_h;}
58 int get_n_hydrogens() const {return c_n_hyd;}
59
60 void setHasDipole( int value ) { has_dipole = value; }
61 int hasDipole( void ) { return has_dipole; }
62
63 void setLJ( void ) { is_LJ = 1; is_VDW = 0; }
64 int isLJ( void ) { return is_LJ; }
65
66 void seVDW( void ) { is_VDW = 1; is_LJ = 0; }
67 int isVDW( void ) { return is_VDW; }
68
69 void setEAM( void ) { is_EAM = 1; }
70 int isEAM( void ) { return is_EAM; }
71
72 virtual int isDirectional( void ) = 0;
73
74
75 protected:
76
77 SimState* myConfig;
78
79 double* pos; // the position array
80 double* vel; // the velocity array
81 double* frc; // the forc array
82 double* trq; // the torque vector ( space fixed )
83 double* Amat; // the rotation matrix
84 double* mu; // the array of dipole moments
85 double* ul; // the lab frame unit directional vector
86
87 double c_mass; /* the mass of the atom in amu */
88 double c_sigma; /* the sigma parameter for van der walls interactions */
89 double c_epslon; /* the esplon parameter for VDW interactions */
90 double c_covalent; // The covalent radius of the atom.
91
92 double myEamRcut; // Atom rcut for eam defined by the forcefield.
93
94 int index; /* set the atom's index */
95 int offset; // the atom's offset in the storage array
96 int offsetX, offsetY, offsetZ;
97
98 int Axx, Axy, Axz; // the rotational matrix indices
99 int Ayx, Ayy, Ayz;
100 int Azx, Azy, Azz;
101
102 char c_name[100]; /* it's name */
103 int ident; // it's unique numeric identity.
104
105 int c_n_hyd; // the number of hydrogens bonded to the atom
106
107 int has_dipole; // dipole boolean
108 int is_VDW; // VDW boolean
109 int is_LJ; // LJ boolean
110 int is_EAM; //EAM boolean
111
112 bool hasCoords;
113
114 #ifdef IS_MPI
115 int myGlobalIndex;
116 #endif
117
118 };
119
120 class GeneralAtom : public Atom{
121
122 public:
123 GeneralAtom(int theIndex, SimState* theConfig): Atom(theIndex, theConfig){}
124 virtual ~GeneralAtom(){}
125
126 int isDirectional( void ){ return 0; }
127 void zeroForces( void );
128 };
129
130 class DirectionalAtom : public Atom {
131
132 public:
133 DirectionalAtom(int theIndex, SimState* theConfig) : Atom(theIndex,
134 theConfig)
135 {
136 ssdIdentity = 0;
137 sux = 0.0;
138 suy = 0.0;
139 suz = 0.0;
140 myMu = 0.0;
141 }
142 virtual ~DirectionalAtom() {}
143
144 virtual void setCoords(void);
145
146 void printAmatIndex( void );
147
148 int isDirectional(void) { return 1; }
149
150 void setSSD( int value) { ssdIdentity = value; }
151 int isSSD(void) {return ssdIdentity; }
152
153
154 void setEuler( double phi, double theta, double psi );
155
156 double getSUx( void ) { return sux; }
157 double getSUy( void ) { return suy; }
158 double getSUz( void ) { return suz; }
159
160 void setSUx( double the_sux ) { sux = the_sux; }
161 void setSUy( double the_suy ) { suy = the_suy; }
162 void setSUz( double the_suz ) { suz = the_suz; }
163
164 void zeroForces();
165
166 void getA( double the_A[3][3] ); // get the full rotation matrix
167 void setA( double the_A[3][3] );
168
169 void getU( double the_u[3] ); // get the unit vetor
170 void updateU( void );
171
172 void getQ( double the_q[4] ); // get the quanternions
173 void setQ( double the_q[4] );
174
175 void getJ( double theJ[3] );
176 void setJ( double theJ[3] );
177
178 double getJx( void ) { return jx; }
179 double getJy( void ) { return jy; }
180 double getJz( void ) { return jz; }
181
182 void setJx( double the_jx ) { jx = the_jx; }
183 void setJy( double the_jy ) { jy = the_jy; }
184 void setJz( double the_jz ) { jz = the_jz; }
185
186 void getTrq( double theT[3] );
187 void addTrq( double theT[3] );
188
189 // double getTx( void ) { return trq[offsetX];}
190 // double getTy( void ) { return trq[offsetY]; }
191 // double getTz( void ) { return trq[offsetZ]; }
192
193 void setI( double the_I[3][3] );
194 void getI( double the_I[3][3] );
195
196 double getIxx( void ) { return Ixx; }
197 double getIxy( void ) { return Ixy; }
198 double getIxz( void ) { return Ixz; }
199
200 double getIyx( void ) { return Iyx; }
201 double getIyy( void ) { return Iyy; }
202 double getIyz( void ) { return Iyz; }
203
204 double getIzx( void ) { return Izx; }
205 double getIzy( void ) { return Izy; }
206 double getIzz( void ) { return Izz; }
207
208 double getMu( void );
209 void setMu( double the_mu );
210
211 void lab2Body( double r[3] );
212 void body2Lab( double r[3] );
213
214
215 private:
216 int dIndex;
217
218 double myMu;
219
220 double sux, suy, suz; // the standard unit vector ( body fixed )
221 double jx, jy, jz; // the angular momentum vector ( body fixed )
222
223 double Ixx, Ixy, Ixz; // the inertial tensor matrix ( body fixed )
224 double Iyx, Iyy, Iyz;
225 double Izx, Izy, Izz;
226
227 int ssdIdentity; // boolean of whether atom is ssd
228
229 };
230
231 #endif