| 1 | #include <cstdlib> | 
| 2 | #include <cstring> | 
| 3 |  | 
| 4 |  | 
| 5 | #include "SimInfo.hpp" | 
| 6 | #define __C | 
| 7 | #include "fSimulation.h" | 
| 8 | #include "simError.h" | 
| 9 |  | 
| 10 | #include "fortranWrappers.hpp" | 
| 11 |  | 
| 12 | SimInfo* currentInfo; | 
| 13 |  | 
| 14 | SimInfo::SimInfo(){ | 
| 15 | excludes = NULL; | 
| 16 | n_constraints = 0; | 
| 17 | n_oriented = 0; | 
| 18 | n_dipoles = 0; | 
| 19 | ndf = 0; | 
| 20 | ndfRaw = 0; | 
| 21 | the_integrator = NULL; | 
| 22 | setTemp = 0; | 
| 23 | thermalTime = 0.0; | 
| 24 | rCut = 0.0; | 
| 25 |  | 
| 26 | usePBC = 0; | 
| 27 | useLJ = 0; | 
| 28 | useSticky = 0; | 
| 29 | useDipole = 0; | 
| 30 | useReactionField = 0; | 
| 31 | useGB = 0; | 
| 32 | useEAM = 0; | 
| 33 |  | 
| 34 | wrapMeSimInfo( this ); | 
| 35 | } | 
| 36 |  | 
| 37 | void SimInfo::setBox(double newBox[3]) { | 
| 38 | double smallestBox, maxCutoff; | 
| 39 | int status; | 
| 40 | box_x = newBox[0]; | 
| 41 | box_y = newBox[1]; | 
| 42 | box_z = newBox[2]; | 
| 43 | setFortranBoxSize(newBox); | 
| 44 |  | 
| 45 | smallestBox = box_x; | 
| 46 | if (box_y < smallestBox) smallestBox = box_y; | 
| 47 | if (box_z < smallestBox) smallestBox = box_z; | 
| 48 |  | 
| 49 | maxCutoff = smallestBox / 2.0; | 
| 50 |  | 
| 51 | if (rList > maxCutoff) { | 
| 52 | sprintf( painCave.errMsg, | 
| 53 | "New Box size is forcing neighborlist radius down to %lf\n", | 
| 54 | maxCutoff ); | 
| 55 | painCave.isFatal = 0; | 
| 56 | simError(); | 
| 57 |  | 
| 58 | rList = maxCutoff; | 
| 59 |  | 
| 60 | sprintf( painCave.errMsg, | 
| 61 | "New Box size is forcing cutoff radius down to %lf\n", | 
| 62 | maxCutoff - 1.0 ); | 
| 63 | painCave.isFatal = 0; | 
| 64 | simError(); | 
| 65 |  | 
| 66 | rCut = rList - 1.0; | 
| 67 |  | 
| 68 | // list radius changed so we have to refresh the simulation structure. | 
| 69 | refreshSim(); | 
| 70 | } | 
| 71 |  | 
| 72 | if (rCut > maxCutoff) { | 
| 73 | sprintf( painCave.errMsg, | 
| 74 | "New Box size is forcing cutoff radius down to %lf\n", | 
| 75 | maxCutoff ); | 
| 76 | painCave.isFatal = 0; | 
| 77 | simError(); | 
| 78 |  | 
| 79 | status = 0; | 
| 80 | LJ_new_rcut(&rCut, &status); | 
| 81 | if (status != 0) { | 
| 82 | sprintf( painCave.errMsg, | 
| 83 | "Error in recomputing LJ shifts based on new rcut\n"); | 
| 84 | painCave.isFatal = 1; | 
| 85 | simError(); | 
| 86 | } | 
| 87 | } | 
| 88 | } | 
| 89 |  | 
| 90 | void SimInfo::getBox(double theBox[3]) { | 
| 91 | theBox[0] = box_x; | 
| 92 | theBox[1] = box_y; | 
| 93 | theBox[2] = box_z; | 
| 94 | } | 
| 95 |  | 
| 96 | int SimInfo::getNDF(){ | 
| 97 | int ndf_local, ndf; | 
| 98 |  | 
| 99 | ndf_local = 3 * n_atoms + 3 * n_oriented - n_constraints; | 
| 100 |  | 
| 101 | #ifdef IS_MPI | 
| 102 | MPI_Allreduce(&ndf_local,&ndf,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD); | 
| 103 | #else | 
| 104 | ndf = ndf_local; | 
| 105 | #endif | 
| 106 |  | 
| 107 | ndf = ndf - 3; | 
| 108 |  | 
| 109 | return ndf; | 
| 110 | } | 
| 111 |  | 
| 112 | int SimInfo::getNDFraw() { | 
| 113 | int ndfRaw_local, ndfRaw; | 
| 114 |  | 
| 115 | // Raw degrees of freedom that we have to set | 
| 116 | ndfRaw_local = 3 * n_atoms + 3 * n_oriented; | 
| 117 |  | 
| 118 | #ifdef IS_MPI | 
| 119 | MPI_Allreduce(&ndfRaw_local,&ndfRaw,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD); | 
| 120 | #else | 
| 121 | ndfRaw = ndfRaw_local; | 
| 122 | #endif | 
| 123 |  | 
| 124 | return ndfRaw; | 
| 125 | } | 
| 126 |  | 
| 127 | void SimInfo::refreshSim(){ | 
| 128 |  | 
| 129 | simtype fInfo; | 
| 130 | int isError; | 
| 131 | int* excl; | 
| 132 |  | 
| 133 | fInfo.box[0] = box_x; | 
| 134 | fInfo.box[1] = box_y; | 
| 135 | fInfo.box[2] = box_z; | 
| 136 |  | 
| 137 | fInfo.rlist = rList; | 
| 138 | fInfo.rcut = rCut; | 
| 139 | fInfo.rrf = ecr; | 
| 140 | fInfo.rt = ecr - est; | 
| 141 | fInfo.dielect = dielectric; | 
| 142 |  | 
| 143 | fInfo.SIM_uses_PBC = usePBC; | 
| 144 | //fInfo.SIM_uses_LJ = 0; | 
| 145 | fInfo.SIM_uses_LJ = useLJ; | 
| 146 | fInfo.SIM_uses_sticky = useSticky; | 
| 147 | //fInfo.SIM_uses_sticky = 0; | 
| 148 | fInfo.SIM_uses_dipoles = useDipole; | 
| 149 | //fInfo.SIM_uses_dipoles = 0; | 
| 150 | //fInfo.SIM_uses_RF = useReactionField; | 
| 151 | fInfo.SIM_uses_RF = 0; | 
| 152 | fInfo.SIM_uses_GB = useGB; | 
| 153 | fInfo.SIM_uses_EAM = useEAM; | 
| 154 |  | 
| 155 | excl = Exclude::getArray(); | 
| 156 |  | 
| 157 | isError = 0; | 
| 158 |  | 
| 159 | //   fInfo; | 
| 160 | //   n_atoms; | 
| 161 | //   identArray; | 
| 162 | //   n_exclude; | 
| 163 | //   excludes; | 
| 164 | //   nGlobalExcludes; | 
| 165 | //   globalExcludes; | 
| 166 | //   isError; | 
| 167 |  | 
| 168 | setFsimulation( &fInfo, &n_atoms, identArray, &n_exclude, excl, | 
| 169 | &nGlobalExcludes, globalExcludes, &isError ); | 
| 170 |  | 
| 171 | if( isError ){ | 
| 172 |  | 
| 173 | sprintf( painCave.errMsg, | 
| 174 | "There was an error setting the simulation information in fortran.\n" ); | 
| 175 | painCave.isFatal = 1; | 
| 176 | simError(); | 
| 177 | } | 
| 178 |  | 
| 179 | #ifdef IS_MPI | 
| 180 | sprintf( checkPointMsg, | 
| 181 | "succesfully sent the simulation information to fortran.\n"); | 
| 182 | MPIcheckPoint(); | 
| 183 | #endif // is_mpi | 
| 184 |  | 
| 185 | ndf = this->getNDF(); | 
| 186 | ndfRaw = this->getNDFraw(); | 
| 187 |  | 
| 188 | } | 
| 189 |  |