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root/group/trunk/OOPSE/libmdtools/Atom.hpp
Revision: 611
Committed: Tue Jul 15 17:10:50 2003 UTC (20 years, 11 months ago) by gezelter
File size: 7429 byte(s)
Log Message:
Fixing  pressure tensor

File Contents

# User Rev Content
1 mmeineke 377 #ifndef _ATOM_H_
2     #define _ATOM_H_
3    
4     #include <cstring>
5     #include <cstdlib>
6     #include <iostream>
7    
8     class Atom{
9     public:
10    
11 gezelter 409 Atom(int theIndex);
12     virtual ~Atom() {}
13 mmeineke 377
14 gezelter 409 static double* pos; // the position array
15     static double* vel; // the velocity array
16     static double* frc; // the forc array
17     static double* trq; // the torque vector ( space fixed )
18     static double* Amat; // the rotation matrix
19     static double* mu; // the dipole moment array
20     static double* ul; // the lab frame unit directional vector
21     static int nElements;
22 mmeineke 377
23 mmeineke 413 static void createArrays (int the_nElements);
24 gezelter 409 static void destroyArrays(void);
25     void addAtoms(int nAdded, double* Apos, double* Avel, double* Afrc,
26     double* Atrq, double* AAmat, double* Amu,
27     double* Aul);
28     void deleteAtom(int theIndex);
29     void deleteRange(int startIndex, int stopIndex);
30 mmeineke 377
31     static double* getPosArray( void ) { return pos; }
32     static double* getVelArray( void ) { return vel; }
33     static double* getFrcArray( void ) { return frc; }
34     static double* getTrqArray( void ) { return trq; }
35     static double* getAmatArray( void ) { return Amat; }
36     static double* getMuArray( void ) { return mu; }
37     static double* getUlArray( void ) { return ul; }
38    
39 mmeineke 599 void getPos( double theP[3] );
40     void setPos( double theP[3] );
41    
42 mmeineke 377 double getX() const {return pos[offsetX];}
43     double getY() const {return pos[offsetY];}
44     double getZ() const {return pos[offsetZ];}
45     void setX(double x) {pos[offsetX] = x;}
46     void setY(double y) {pos[offsetY] = y;}
47     void setZ(double z) {pos[offsetZ] = z;}
48    
49 mmeineke 599 void getVel( double theV[3] );
50     void setVel( double theV[3] );
51    
52 mmeineke 377 double get_vx() const {return vel[offsetX];}
53     double get_vy() const {return vel[offsetY];}
54     double get_vz() const {return vel[offsetZ];}
55     void set_vx(double vx) {vel[offsetX] = vx;}
56     void set_vy(double vy) {vel[offsetY] = vy;}
57     void set_vz(double vz) {vel[offsetZ] = vz;}
58    
59 mmeineke 599
60     void getFrc( double theF[3] );
61     void addFrc( double theF[3] );
62    
63 mmeineke 377 double getFx() const {return frc[offsetX];}
64     double getFy() const {return frc[offsetY];}
65     double getFz() const {return frc[offsetZ];}
66     void addFx(double add) {frc[offsetX] += add;}
67     void addFy(double add) {frc[offsetY] += add;}
68     void addFz(double add) {frc[offsetZ] += add;}
69     virtual void zeroForces() = 0;
70    
71     double getMass() const {return c_mass;}
72     void setMass(double mass) {c_mass = mass;}
73    
74     double getSigma() const {return c_sigma;}
75     void setSigma(double sigma) {c_sigma = sigma;}
76    
77     double getEpslon() const {return c_epslon;}
78     void setEpslon(double epslon) {c_epslon = epslon;}
79    
80     double getCovalent() const {return c_covalent;}
81     void setCovalent(double covalent) {c_covalent = covalent;}
82    
83     int getIndex() const {return index;}
84 gezelter 409 void setIndex(int theIndex);
85 mmeineke 377 char *getType() {return c_name;}
86     void setType(char * name) {strcpy(c_name,name);}
87    
88     int getIdent( void ) { return ident; }
89     void setIdent( int info ) { ident = info; }
90    
91     #ifdef IS_MPI
92     int getGlobalIndex( void ) { return myGlobalIndex; }
93     void setGlobalIndex( int info ) { myGlobalIndex = info; }
94     #endif // is_mpi
95    
96     void set_n_hydrogens( int n_h ) {c_n_hyd = n_h;}
97     int get_n_hydrogens() const {return c_n_hyd;}
98    
99     void setHasDipole( int value ) { has_dipole = value; }
100     int hasDipole( void ) { return has_dipole; }
101    
102     void setLJ( void ) { is_LJ = 1; is_VDW = 0; }
103     int isLJ( void ) { return is_LJ; }
104    
105     void seVDW( void ) { is_VDW = 1; is_LJ = 0; }
106     int isVDW( void ) { return is_VDW; }
107    
108     virtual int isDirectional( void ) = 0;
109    
110    
111     protected:
112    
113     double c_mass; /* the mass of the atom in amu */
114     double c_sigma; /* the sigma parameter for van der walls interactions */
115     double c_epslon; /* the esplon parameter for VDW interactions */
116     double c_covalent; // The covalent radius of the atom.
117    
118     int index; /* set the atom's index */
119     int offset; // the atom's offset in the storage array
120     int offsetX, offsetY, offsetZ;
121    
122     int Axx, Axy, Axz; // the rotational matrix indices
123     int Ayx, Ayy, Ayz;
124     int Azx, Azy, Azz;
125    
126     char c_name[100]; /* it's name */
127     int ident; // it's unique numeric identity.
128    
129     int c_n_hyd; // the number of hydrogens bonded to the atom
130    
131     int has_dipole; // dipole boolean
132     int is_VDW; // VDW boolean
133     int is_LJ; // LJ boolean
134    
135     #ifdef IS_MPI
136     int myGlobalIndex;
137     #endif
138    
139     };
140    
141     class GeneralAtom : public Atom{
142    
143     public:
144     GeneralAtom(int theIndex): Atom(theIndex){}
145     virtual ~GeneralAtom(){}
146    
147     int isDirectional( void ){ return 0; }
148     void zeroForces() {
149     frc[offsetX] = 0.0;
150     frc[offsetY] = 0.0;
151     frc[offsetZ] = 0.0;
152     }
153     };
154    
155     class DirectionalAtom : public Atom {
156    
157     public:
158     DirectionalAtom(int theIndex) : Atom(theIndex)
159     {
160     ssdIdentity = 0;
161     sux = 0.0;
162     suy = 0.0;
163     suz = 0.0;
164     }
165     virtual ~DirectionalAtom() {}
166    
167 mmeineke 597 void printAmatIndex( void );
168    
169 mmeineke 377 int isDirectional(void) { return 1; }
170    
171     void setSSD( int value) { ssdIdentity = value; }
172     int isSSD(void) {return ssdIdentity; }
173    
174    
175     void setEuler( double phi, double theta, double psi );
176 mmeineke 599
177     double getSUx( void ) { return sux; }
178     double getSUy( void ) { return suy; }
179     double getSUz( void ) { return suz; }
180 mmeineke 377
181     void setSUx( double the_sux ) { sux = the_sux; }
182     void setSUy( double the_suy ) { suy = the_suy; }
183     void setSUz( double the_suz ) { suz = the_suz; }
184    
185     void zeroForces() {
186     frc[offsetX] = 0.0;
187     frc[offsetY] = 0.0;
188     frc[offsetZ] = 0.0;
189    
190     trq[offsetX] = 0.0;
191     trq[offsetY] = 0.0;
192     trq[offsetZ] = 0.0;
193     }
194    
195     void getA( double the_A[3][3] ); // get the full rotation matrix
196 mmeineke 599 void setA( double the_A[3][3] );
197 mmeineke 377
198 mmeineke 599 void getU( double the_u[3] ); // get the unit vetor
199     void updateU( void );
200 mmeineke 377
201     void getQ( double the_q[4] ); // get the quanternions
202 mmeineke 599 void setQ( double the_q[4] );
203 mmeineke 377
204 mmeineke 599 void getJ( double theJ[3] );
205     void setJ( double theJ[3] );
206    
207 mmeineke 377 double getJx( void ) { return jx; }
208     double getJy( void ) { return jy; }
209     double getJz( void ) { return jz; }
210    
211 mmeineke 599 void setJx( double the_jx ) { jx = the_jx; }
212     void setJy( double the_jy ) { jy = the_jy; }
213     void setJz( double the_jz ) { jz = the_jz; }
214    
215     void getTrq( double theT[3] );
216     void addTrq( double theT[3] );
217    
218 gezelter 611 // double getTx( void ) { return trq[offsetX];}
219     // double getTy( void ) { return trq[offsetY]; }
220     // double getTz( void ) { return trq[offsetZ]; }
221 mmeineke 377
222 mmeineke 599 void addTx( double the_tx ) { trq[offsetX] += the_tx;}
223     void addTy( double the_ty ) { trq[offsetY] += the_ty;}
224     void addTz( double the_tz ) { trq[offsetZ] += the_tz;}
225    
226     void setI( double the_I[3][3] );
227     void getI( double the_I[3][3] );
228    
229 mmeineke 377 double getIxx( void ) { return Ixx; }
230     double getIxy( void ) { return Ixy; }
231     double getIxz( void ) { return Ixz; }
232    
233     double getIyx( void ) { return Iyx; }
234     double getIyy( void ) { return Iyy; }
235     double getIyz( void ) { return Iyz; }
236    
237     double getIzx( void ) { return Izx; }
238     double getIzy( void ) { return Izy; }
239     double getIzz( void ) { return Izz; }
240 mmeineke 599
241 mmeineke 377
242     double getMu( void ) { return mu[index]; }
243     void setMu( double the_mu ) { mu[index] = the_mu; }
244    
245     void lab2Body( double r[3] );
246     void body2Lab( double r[3] );
247    
248 mmeineke 599
249 mmeineke 377 private:
250     int dIndex;
251    
252     double sux, suy, suz; // the standard unit vector ( body fixed )
253     double jx, jy, jz; // the angular momentum vector ( body fixed )
254    
255     double Ixx, Ixy, Ixz; // the inertial tensor matrix ( body fixed )
256     double Iyx, Iyy, Iyz;
257     double Izx, Izy, Izz;
258    
259     int ssdIdentity; // boolean of whether atom is ssd
260    
261     };
262    
263     #endif