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Comparing trunk/mdtools/headers/Atom.hpp (file contents):
Revision 134 by chuckv, Fri Oct 11 15:09:09 2002 UTC vs.
Revision 225 by mmeineke, Wed Jan 8 21:54:20 2003 UTC

# Line 6 | Line 6 | class Atom{ (public)
6  
7   class Atom{
8   public:
9 <  Atom() {
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 c_x;}
36 <  double getY() const {return c_y;}
37 <  double getZ() const {return c_z;}
38 <  void setX(double x) {c_x = x;}
39 <  void setY(double y) {c_y = y;}
40 <  void setZ(double z) {c_z = z;}
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 c_vx;}
43 <  double get_vy() const {return c_vy;}
44 <  double get_vz() const {return c_vz;}
45 <  void set_vx(double vx) {c_vx = vx;}
46 <  void set_vy(double vy) {c_vy = vy;}
47 <  void set_vz(double vz) {c_vz = vz;}
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 c_Fx;}
50 <  double getFy() const {return c_Fy;}
51 <  double getFz() const {return c_Fz;}
52 <  void addFx(double add) {c_Fx += add;}
53 <  void addFy(double add) {c_Fy += add;}
54 <  void addFz(double add) {c_Fz += add;}
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;}
# Line 48 | Line 66 | class Atom{ (public)
66    double getCovalent() const {return c_covalent;}
67    void setCovalent(double covalent) {c_covalent = covalent;}
68    
69 <  int getIndex() const {return c_index;}
70 <  void setIndex(int index) {c_index = index;}
71 <  
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 +  int getIdent( void ) { return ident; }
82 +  void setIdent( int info ) { ident = info; }
83  
84    void set_n_hydrogens( int n_h ) {c_n_hyd = n_h;}
85    int get_n_hydrogens() const {return c_n_hyd;}
# Line 68 | Line 95 | class Atom{ (public)
95  
96    virtual int isDirectional( void ) = 0;
97  
98 +  static double* pos; // the position array
99 +  static double* vel; // the velocity array
100 +  static double* frc; // the forc array
101 +  static double* trq; // the torque vector  ( space fixed )
102 +
103   protected:
72 –  double c_x; /*the atom's position */
73 –  double c_y;
74 –  double c_z;
75 –            
76 –  double c_vx; /*the atom's velocity */
77 –  double c_vy;
78 –  double c_vz;
79 –            
80 –  double c_Fx; /* the atom's forces */
81 –  double c_Fy;
82 –  double c_Fz;
104    
105    double c_mass; /* the mass of the atom in amu */
106    double c_sigma; /* the sigma parameter for van der walls interactions */
107    double c_epslon; /* the esplon parameter for VDW interactions */
108    double c_covalent; // The covalent radius of the atom.
109  
110 <  int c_index; /* set the atom's index */
110 >  int index; /* set the atom's index */
111 >  int offset; // the atom's offset in the storage array
112 >  int offsetX, offsetY, offsetZ;
113  
114    char c_name[100]; /* it's name */
115 +  int ident;  // it's unique numeric identity.
116  
117    int c_n_hyd; // the number of hydrogens bonded to the atom
118    
# Line 98 | Line 122 | class Atom{ (public)
122    
123   };
124  
125 +
126 +
127   class GeneralAtom : public Atom{
128  
129   public:
130 <  GeneralAtom(){}
130 >  GeneralAtom(int theIndex): Atom(theIndex){}
131    virtual ~GeneralAtom(){}
132  
133    int isDirectional( void ){ return 0; }
134    void zeroForces() {
135 <    c_Fx = 0.0; c_Fy = 0.0; c_Fz = 0.0;
135 >    frc[offsetX]   = 0.0;
136 >    frc[offsetY] = 0.0;
137 >    frc[offsetZ] = 0.0;
138    }
139   };
140  
141   class DirectionalAtom : public Atom {
142    
143   public:
144 <  DirectionalAtom() { ssdIdentity = 0; }
144 >  DirectionalAtom(int theIndex) : Atom(theIndex)
145 >  {
146 >    ssdIdentity = 0;
147 >  }
148    virtual ~DirectionalAtom() {}
149  
150 +  static void createDArrays(int nElements){
151 +    trq = new double[nElements*3];
152 +  }
153 +  static void destroyDArrays(void){
154 +    delete[] trq;
155 +  }
156 +
157    int isDirectional(void) { return 1; }
158    
159    void setSSD( int value) { ssdIdentity = value; }
# Line 137 | Line 175 | class DirectionalAtom : public Atom { (public)
175    void setJy( double the_jy ) { jy = the_jy; }
176    void setJz( double the_jz ) { jz = the_jz; }
177      
178 <  void addTx( double the_tx ) { tx += the_tx;}
179 <  void addTy( double the_ty ) { ty += the_ty;}
180 <  void addTz( double the_tz ) { tz += the_tz;}
178 >  void addTx( double the_tx ) { trq[offsetX]   += the_tx;}
179 >  void addTy( double the_ty ) { trq[offsetY] += the_ty;}
180 >  void addTz( double the_tz ) { trq[offsetZ] += the_tz;}
181  
182    void setMu( double the_mu ) { mu = the_mu; }
183  
184    void zeroForces() {
185 <    c_Fx = 0.0; c_Fy = 0.0; c_Fz = 0.0;
186 <    tx = 0.0; ty = 0.0; tz = 0.0;
185 >    frc[offsetX]   = 0.0;
186 >    frc[offsetY] = 0.0;
187 >    frc[offsetZ] = 0.0;
188 >
189 >    trq[offsetX]   = 0.0;
190 >    trq[offsetY] = 0.0;
191 >    trq[offsetZ] = 0.0;
192    }
193  
194    double getAxx( void ) { return Axx; }
# Line 173 | Line 216 | class DirectionalAtom : public Atom { (public)
216    double getJy( void ) { return jy; }
217    double getJz( void ) { return jz; }
218  
219 <  double getTx( void ) { return tx; }
220 <  double getTy( void ) { return ty; }
221 <  double getTz( void ) { return tz; }
219 >  double getTx( void ) { return trq[offsetX];}
220 >  double getTy( void ) { return trq[offsetY]; }
221 >  double getTz( void ) { return trq[offsetZ]; }
222  
223    double getIxx( void ) { return Ixx; }
224    double getIxy( void ) { return Ixy; }
# Line 195 | Line 238 | class DirectionalAtom : public Atom { (public)
238    void body2Lab( double r[3] );
239  
240   private:
241 +  int dIndex;
242  
243    double Axx, Axy, Axz; // the rotational matrix
244    double Ayx, Ayy, Ayz;
245    double Azx, Azy, Azz;
246  
247 <  double sux, suy, suz; // the standard unit vector ( body fixed )
248 <  double jx, jy, jz; // the angular momentum vector ( body fixed )
205 <  double tx, ty, tz; // the torque vector           ( space fixed )
247 >  double sux, suy, suz; // the standard unit vector    ( body fixed )
248 >  double jx, jy, jz;    // the angular momentum vector ( body fixed )
249    
250 <  double Ixx, Ixy, Ixz; // the inertial tensor matrix ( body fixed )
250 >  double Ixx, Ixy, Ixz; // the inertial tensor matrix  ( body fixed )
251    double Iyx, Iyy, Iyz;
252    double Izx, Izy, Izz;
253  

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