| 1 | #include "Atom.hpp" | 
| 2 |  | 
| 3 | Atom::Atom(int theIndex) { | 
| 4 | c_n_hyd = 0; | 
| 5 | has_dipole = 0; | 
| 6 | is_VDW = 0; | 
| 7 | is_LJ = 0; | 
| 8 |  | 
| 9 | index = theIndex; | 
| 10 | offset = 3 * index; | 
| 11 | offsetX = offset; | 
| 12 | offsetY = offset+1; | 
| 13 | offsetZ = offset+2; | 
| 14 |  | 
| 15 | Axx = index*9; | 
| 16 | Axy = Axx+1; | 
| 17 | Axz = Axx+2; | 
| 18 |  | 
| 19 | Ayx = Axx+3; | 
| 20 | Ayy = Axx+4; | 
| 21 | Ayz = Axx+5; | 
| 22 |  | 
| 23 | Azx = Axx+6; | 
| 24 | Azy = Axx+7; | 
| 25 | Azz = Axx+8; | 
| 26 | } | 
| 27 |  | 
| 28 | void Atom::createArrays (int nElements) { | 
| 29 | int i; | 
| 30 |  | 
| 31 | pos = new double[nElements*3]; | 
| 32 | vel = new double[nElements*3]; | 
| 33 | frc = new double[nElements*3]; | 
| 34 | trq = new double[nElements*3]; | 
| 35 | Amat = new double[nElements*9]; | 
| 36 | mu = new double[nElements]; | 
| 37 | ul = new double[nElements*3]; | 
| 38 |  | 
| 39 | // init directional values to zero | 
| 40 |  | 
| 41 | for( i=0; i<nElements; i++){ | 
| 42 | trq[i] = 0.0; | 
| 43 | trq[i+1] = 0.0; | 
| 44 | trq[i+2] = 0.0; | 
| 45 |  | 
| 46 | Amat[i] = 1.0; | 
| 47 | Amat[i+1] = 0.0; | 
| 48 | Amat[i+2] = 0.0; | 
| 49 |  | 
| 50 | Amat[i+3] = 0.0; | 
| 51 | Amat[i+4] = 1.0; | 
| 52 | Amat[i+5] = 0.0; | 
| 53 |  | 
| 54 | Amat[i+6] = 0.0; | 
| 55 | Amat[i+7] = 0.0; | 
| 56 | Amat[i+8] = 1.0; | 
| 57 |  | 
| 58 | mu[i] = 0.0; | 
| 59 |  | 
| 60 | ul[i] = 1.0; | 
| 61 | ul[i+1] = 0.0; | 
| 62 | ul[i+2] = 0.0; | 
| 63 | } | 
| 64 | } | 
| 65 |  | 
| 66 | void Atom::destroyArrays(void) { | 
| 67 | delete[] pos; | 
| 68 | delete[] vel; | 
| 69 | delete[] frc; | 
| 70 | delete[] trq; | 
| 71 | delete[] Amat; | 
| 72 | delete[] mu; | 
| 73 | } | 
| 74 |  | 
| 75 | void Atom::setIndex(int theIndex) { | 
| 76 | index = theIndex; | 
| 77 | offset = index*3; | 
| 78 | offsetX = offset; | 
| 79 | offsetY = offset+1; | 
| 80 | offsetZ = offset+2; | 
| 81 |  | 
| 82 | Axx = index*9; | 
| 83 | Axy = Axx+1; | 
| 84 | Axz = Axx+2; | 
| 85 |  | 
| 86 | Ayx = Axx+3; | 
| 87 | Ayy = Axx+4; | 
| 88 | Ayz = Axx+5; | 
| 89 |  | 
| 90 | Azx = Axx+6; | 
| 91 | Azy = Axx+7; | 
| 92 | Azz = Axx+8; | 
| 93 | } | 
| 94 |  | 
| 95 | void Atom::addAtoms(int nAdded, double* Apos, double* Avel, double* Afrc, | 
| 96 | double* Atrq, double* AAmat, double* Amu, | 
| 97 | double* Aul) { | 
| 98 |  | 
| 99 | int nNew = nElements+nAdded; | 
| 100 |  | 
| 101 | double* new_pos = new double[nNew*3]; | 
| 102 | double* new_vel = new double[nNew*3]; | 
| 103 | double* new_frc = new double[nNew*3]; | 
| 104 | double* new_trq = new double[nNew*3]; | 
| 105 | double* new_Amat = new double[nNew*9]; | 
| 106 | double* new_mu = new double[nNew]; | 
| 107 | double* new_ul = new double[nNew*3]; | 
| 108 | int i, j; | 
| 109 |  | 
| 110 | for (i = 0; i < 3*nElements; i++) { | 
| 111 | new_pos[i] = pos[i]; | 
| 112 | new_vel[i] = vel[i]; | 
| 113 | new_frc[i] = frc[i]; | 
| 114 | new_trq[i] = trq[i]; | 
| 115 | new_ul[i] = ul[i]; | 
| 116 | } | 
| 117 |  | 
| 118 | for(i = 0; i < 3*nAdded; i++) { | 
| 119 | j = i + 3*nElements; | 
| 120 | new_pos[j] = Apos[i]; | 
| 121 | new_vel[j] = Avel[i]; | 
| 122 | new_frc[j] = Afrc[i]; | 
| 123 | new_trq[j] = Atrq[i]; | 
| 124 | new_ul[j] = Aul[i]; | 
| 125 | } | 
| 126 |  | 
| 127 | for (i = 0; i < 9*nElements; i++) { | 
| 128 | new_Amat[i] = Amat[i]; | 
| 129 | } | 
| 130 |  | 
| 131 | for(i = 0; i < 9*nAdded; i++) { | 
| 132 | j = i + 9*nElements; | 
| 133 | new_Amat[j] = AAmat[i]; | 
| 134 | } | 
| 135 |  | 
| 136 | for (i = 0; i < nElements; i++) { | 
| 137 | new_mu[i] = mu[i]; | 
| 138 | } | 
| 139 |  | 
| 140 | for(i = 0; i < nAdded; i++) { | 
| 141 | j = i + nElements; | 
| 142 | new_mu[j] = Amu[i]; | 
| 143 | } | 
| 144 |  | 
| 145 | delete[] pos; | 
| 146 | delete[] vel; | 
| 147 | delete[] frc; | 
| 148 | delete[] trq; | 
| 149 | delete[] Amat; | 
| 150 | delete[] mu; | 
| 151 |  | 
| 152 | pos = new_pos; | 
| 153 | vel = new_vel; | 
| 154 | frc = new_frc; | 
| 155 | trq = new_trq; | 
| 156 | ul = new_ul; | 
| 157 | Amat = new_Amat; | 
| 158 | mu = new_mu; | 
| 159 |  | 
| 160 | nElements = nNew; | 
| 161 | } | 
| 162 |  | 
| 163 | void Atom::deleteAtom(int theIndex) { | 
| 164 | deleteRange(theIndex, theIndex); | 
| 165 | } | 
| 166 |  | 
| 167 | void Atom::deleteRange(int startIndex, int stopIndex) { | 
| 168 |  | 
| 169 | int nNew = nElements-(stopIndex-startIndex+1); | 
| 170 |  | 
| 171 | double* new_pos = new double[nNew*3]; | 
| 172 | double* new_vel = new double[nNew*3]; | 
| 173 | double* new_frc = new double[nNew*3]; | 
| 174 | double* new_trq = new double[nNew*3]; | 
| 175 | double* new_Amat = new double[nNew*9]; | 
| 176 | double* new_mu = new double[nNew]; | 
| 177 | double* new_ul = new double[nNew*3]; | 
| 178 | int i, j; | 
| 179 |  | 
| 180 | for (i = 0; i < 3*startIndex; i++) { | 
| 181 | new_pos[i] = pos[i]; | 
| 182 | new_vel[i] = vel[i]; | 
| 183 | new_frc[i] = frc[i]; | 
| 184 | new_trq[i] = trq[i]; | 
| 185 | new_ul[i] = ul[i]; | 
| 186 | } | 
| 187 |  | 
| 188 | for(i = 3*(stopIndex + 1); i < 3*nElements; i++) { | 
| 189 | j = i - 3*startIndex + 1; | 
| 190 | new_pos[j] = pos[i]; | 
| 191 | new_vel[j] = vel[i]; | 
| 192 | new_frc[j] = frc[i]; | 
| 193 | new_trq[j] = trq[i]; | 
| 194 | new_ul[j] = ul[i]; | 
| 195 | } | 
| 196 |  | 
| 197 | for (i = 0; i < 9*startIndex; i++) { | 
| 198 | new_Amat[i] = Amat[i]; | 
| 199 | } | 
| 200 |  | 
| 201 | for(i = 9*(stopIndex + 1); i < 9*nElements; i++) { | 
| 202 | j = i - 9*startIndex + 1; | 
| 203 | new_Amat[j] = Amat[i]; | 
| 204 | } | 
| 205 |  | 
| 206 | for (i = 0; i < startIndex; i++) { | 
| 207 | new_mu[i] = mu[i]; | 
| 208 | } | 
| 209 |  | 
| 210 | for(i = (stopIndex+1); i < nElements; i++) { | 
| 211 | j = i - startIndex + 1; | 
| 212 | new_mu[j] = mu[i]; | 
| 213 | } | 
| 214 |  | 
| 215 | delete[] pos; | 
| 216 | delete[] vel; | 
| 217 | delete[] frc; | 
| 218 | delete[] trq; | 
| 219 | delete[] Amat; | 
| 220 | delete[] mu; | 
| 221 |  | 
| 222 | pos = new_pos; | 
| 223 | vel = new_vel; | 
| 224 | frc = new_frc; | 
| 225 | trq = new_trq; | 
| 226 | ul = new_ul; | 
| 227 | Amat = new_Amat; | 
| 228 | mu = new_mu; | 
| 229 |  | 
| 230 | nElements = nNew; | 
| 231 | } |