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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

# User Rev Content
1 mmeineke 377 #ifndef _ATOM_H_
2     #define _ATOM_H_
3    
4 gezelter 829 #include <string.h>
5     #include <stdlib.h>
6 mmeineke 377 #include <iostream>
7    
8 mmeineke 670 #include "SimState.hpp"
9    
10 mmeineke 377 class Atom{
11     public:
12    
13 mmeineke 670 Atom(int theIndex, SimState* theConfig );
14 gezelter 409 virtual ~Atom() {}
15 mmeineke 377
16 tim 689 virtual void setCoords(void);
17 mmeineke 377
18 mmeineke 599 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 mmeineke 377 virtual void zeroForces() = 0;
28    
29     double getMass() const {return c_mass;}
30     void setMass(double mass) {c_mass = mass;}
31 chuckv 669
32     double getEamRcut() const {return myEamRcut;}
33     void setEamRcut(double eamRcut) {myEamRcut = eamRcut;}
34 mmeineke 377
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 gezelter 409 void setIndex(int theIndex);
46 mmeineke 377 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 chuckv 631 void setEAM( void ) { is_EAM = 1; }
70     int isEAM( void ) { return is_EAM; }
71    
72 mmeineke 377 virtual int isDirectional( void ) = 0;
73    
74    
75     protected:
76    
77 mmeineke 670 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 mmeineke 377 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 chuckv 669 double myEamRcut; // Atom rcut for eam defined by the forcefield.
93    
94 mmeineke 377 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 chuckv 631 int is_EAM; //EAM boolean
111 mmeineke 377
112 mmeineke 670 bool hasCoords;
113    
114 mmeineke 377 #ifdef IS_MPI
115     int myGlobalIndex;
116     #endif
117    
118     };
119    
120     class GeneralAtom : public Atom{
121    
122     public:
123 mmeineke 670 GeneralAtom(int theIndex, SimState* theConfig): Atom(theIndex, theConfig){}
124 mmeineke 377 virtual ~GeneralAtom(){}
125    
126     int isDirectional( void ){ return 0; }
127 mmeineke 670 void zeroForces( void );
128 mmeineke 377 };
129    
130     class DirectionalAtom : public Atom {
131    
132     public:
133 mmeineke 670 DirectionalAtom(int theIndex, SimState* theConfig) : Atom(theIndex,
134     theConfig)
135 mmeineke 377 {
136     ssdIdentity = 0;
137     sux = 0.0;
138     suy = 0.0;
139     suz = 0.0;
140 tim 689 myMu = 0.0;
141 mmeineke 377 }
142     virtual ~DirectionalAtom() {}
143    
144 tim 689 virtual void setCoords(void);
145    
146 mmeineke 597 void printAmatIndex( void );
147    
148 mmeineke 377 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 mmeineke 599
156     double getSUx( void ) { return sux; }
157     double getSUy( void ) { return suy; }
158     double getSUz( void ) { return suz; }
159 mmeineke 377
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 mmeineke 670 void zeroForces();
165 mmeineke 377
166     void getA( double the_A[3][3] ); // get the full rotation matrix
167 mmeineke 599 void setA( double the_A[3][3] );
168 mmeineke 377
169 mmeineke 599 void getU( double the_u[3] ); // get the unit vetor
170     void updateU( void );
171 mmeineke 377
172     void getQ( double the_q[4] ); // get the quanternions
173 mmeineke 599 void setQ( double the_q[4] );
174 mmeineke 377
175 mmeineke 599 void getJ( double theJ[3] );
176     void setJ( double theJ[3] );
177    
178 mmeineke 377 double getJx( void ) { return jx; }
179     double getJy( void ) { return jy; }
180     double getJz( void ) { return jz; }
181    
182 mmeineke 599 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 gezelter 611 // double getTx( void ) { return trq[offsetX];}
190     // double getTy( void ) { return trq[offsetY]; }
191     // double getTz( void ) { return trq[offsetZ]; }
192 mmeineke 377
193 mmeineke 599 void setI( double the_I[3][3] );
194     void getI( double the_I[3][3] );
195    
196 mmeineke 377 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 mmeineke 670 double getMu( void );
209     void setMu( double the_mu );
210 mmeineke 377
211     void lab2Body( double r[3] );
212     void body2Lab( double r[3] );
213    
214 mmeineke 599
215 mmeineke 377 private:
216     int dIndex;
217    
218 tim 689 double myMu;
219    
220 mmeineke 377 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