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root/group/trunk/mdtools/headers/Atom.hpp
Revision: 213
Committed: Mon Dec 16 21:42:11 2002 UTC (21 years, 6 months ago) by mmeineke
File size: 6905 byte(s)
Log Message:
finishing work on making DumpWriter parrallel

File Contents

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