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Comparing branches/development/src/brains/SimInfo.cpp (file contents):
Revision 1715 by gezelter, Tue May 22 21:55:31 2012 UTC vs.
Revision 1825 by gezelter, Wed Jan 9 19:27:52 2013 UTC

# Line 59 | Line 59
59   #include "utils/simError.h"
60   #include "selection/SelectionManager.hpp"
61   #include "io/ForceFieldOptions.hpp"
62 < #include "UseTheForce/ForceField.hpp"
62 > #include "brains/ForceField.hpp"
63   #include "nonbonded/SwitchingFunction.hpp"
64   #ifdef IS_MPI
65   #include <mpi.h>
# Line 88 | Line 88 | namespace OpenMD {
88      
89      vector<Component*> components = simParams->getComponents();
90      
91 <    for (vector<Component*>::iterator i = components.begin(); i !=components.end(); ++i) {
91 >    for (vector<Component*>::iterator i = components.begin();
92 >         i !=components.end(); ++i) {
93        molStamp = (*i)->getMoleculeStamp();
94        nMolWithSameStamp = (*i)->getNMol();
95        
# Line 231 | Line 232 | namespace OpenMD {
232      vector<Atom*>::iterator k;
233  
234      Molecule* mol;
235 <    StuntDouble* integrableObject;
235 >    StuntDouble* sd;
236      Atom* atom;
237  
238      ndf_local = 0;
239      nfq_local = 0;
240      
241      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
241 –      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
242 –           integrableObject = mol->nextIntegrableObject(j)) {
242  
243 +      for (sd = mol->beginIntegrableObject(j); sd != NULL;
244 +           sd = mol->nextIntegrableObject(j)) {
245 +
246          ndf_local += 3;
247  
248 <        if (integrableObject->isDirectional()) {
249 <          if (integrableObject->isLinear()) {
248 >        if (sd->isDirectional()) {
249 >          if (sd->isLinear()) {
250              ndf_local += 2;
251            } else {
252              ndf_local += 3;
253            }
254          }
255        }
256 +
257        for (atom = mol->beginFluctuatingCharge(k); atom != NULL;
258             atom = mol->nextFluctuatingCharge(k)) {
259          if (atom->isFluctuatingCharge()) {
# Line 259 | Line 262 | namespace OpenMD {
262        }
263      }
264      
265 +    ndfLocal_ = ndf_local;
266 +
267      // n_constraints is local, so subtract them on each processor
268      ndf_local -= nConstraints_;
269  
270   #ifdef IS_MPI
271 <    MPI_Allreduce(&ndf_local,&ndf_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
272 <    MPI_Allreduce(&nfq_local,&nGlobalFluctuatingCharges_,1, MPI_INT, MPI_SUM, MPI_COMM_WORLD);
271 >    MPI::COMM_WORLD.Allreduce(&ndf_local, &ndf_, 1, MPI::INT,MPI::SUM);
272 >    MPI::COMM_WORLD.Allreduce(&nfq_local, &nGlobalFluctuatingCharges_, 1,
273 >                              MPI::INT, MPI::SUM);
274   #else
275      ndf_ = ndf_local;
276      nGlobalFluctuatingCharges_ = nfq_local;
# Line 278 | Line 284 | namespace OpenMD {
284  
285    int SimInfo::getFdf() {
286   #ifdef IS_MPI
287 <    MPI_Allreduce(&fdf_local,&fdf_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
287 >    MPI::COMM_WORLD.Allreduce(&fdf_local, &fdf_, 1, MPI::INT, MPI::SUM);
288   #else
289      fdf_ = fdf_local;
290   #endif
# Line 310 | Line 316 | namespace OpenMD {
316      MoleculeIterator i;
317      vector<StuntDouble*>::iterator j;
318      Molecule* mol;
319 <    StuntDouble* integrableObject;
319 >    StuntDouble* sd;
320  
321      // Raw degrees of freedom that we have to set
322      ndfRaw_local = 0;
323      
324      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
319 –      for (integrableObject = mol->beginIntegrableObject(j); integrableObject != NULL;
320 –           integrableObject = mol->nextIntegrableObject(j)) {
325  
326 +      for (sd = mol->beginIntegrableObject(j); sd != NULL;
327 +           sd = mol->nextIntegrableObject(j)) {
328 +
329          ndfRaw_local += 3;
330  
331 <        if (integrableObject->isDirectional()) {
332 <          if (integrableObject->isLinear()) {
331 >        if (sd->isDirectional()) {
332 >          if (sd->isLinear()) {
333              ndfRaw_local += 2;
334            } else {
335              ndfRaw_local += 3;
# Line 333 | Line 340 | namespace OpenMD {
340      }
341      
342   #ifdef IS_MPI
343 <    MPI_Allreduce(&ndfRaw_local,&ndfRaw_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
343 >    MPI::COMM_WORLD.Allreduce(&ndfRaw_local, &ndfRaw_, 1, MPI::INT, MPI::SUM);
344   #else
345      ndfRaw_ = ndfRaw_local;
346   #endif
# Line 346 | Line 353 | namespace OpenMD {
353  
354  
355   #ifdef IS_MPI
356 <    MPI_Allreduce(&ndfTrans_local,&ndfTrans_,1,MPI_INT,MPI_SUM, MPI_COMM_WORLD);
356 >    MPI::COMM_WORLD.Allreduce(&ndfTrans_local, &ndfTrans_, 1,
357 >                              MPI::INT, MPI::SUM);
358   #else
359      ndfTrans_ = ndfTrans_local;
360   #endif
# Line 382 | Line 390 | namespace OpenMD {
390      Molecule::RigidBodyIterator rbIter;
391      RigidBody* rb;
392      Molecule::IntegrableObjectIterator ii;
393 <    StuntDouble* integrableObject;
393 >    StuntDouble* sd;
394      
395 <    for (integrableObject = mol->beginIntegrableObject(ii);
396 <         integrableObject != NULL;
389 <         integrableObject = mol->nextIntegrableObject(ii)) {
395 >    for (sd = mol->beginIntegrableObject(ii); sd != NULL;
396 >         sd = mol->nextIntegrableObject(ii)) {
397        
398 <      if (integrableObject->isRigidBody()) {
399 <        rb = static_cast<RigidBody*>(integrableObject);
398 >      if (sd->isRigidBody()) {
399 >        rb = static_cast<RigidBody*>(sd);
400          vector<Atom*> atoms = rb->getAtoms();
401          set<int> rigidAtoms;
402          for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
# Line 400 | Line 407 | namespace OpenMD {
407          }      
408        } else {
409          set<int> oneAtomSet;
410 <        oneAtomSet.insert(integrableObject->getGlobalIndex());
411 <        atomGroups.insert(map<int, set<int> >::value_type(integrableObject->getGlobalIndex(), oneAtomSet));        
410 >        oneAtomSet.insert(sd->getGlobalIndex());
411 >        atomGroups.insert(map<int, set<int> >::value_type(sd->getGlobalIndex(), oneAtomSet));        
412        }
413      }  
414            
# Line 535 | Line 542 | namespace OpenMD {
542      Molecule::RigidBodyIterator rbIter;
543      RigidBody* rb;
544      Molecule::IntegrableObjectIterator ii;
545 <    StuntDouble* integrableObject;
546 <    
547 <    for (integrableObject = mol->beginIntegrableObject(ii);
548 <         integrableObject != NULL;
542 <         integrableObject = mol->nextIntegrableObject(ii)) {
545 >    StuntDouble* sd;
546 >    
547 >    for (sd = mol->beginIntegrableObject(ii); sd != NULL;
548 >         sd = mol->nextIntegrableObject(ii)) {
549        
550 <      if (integrableObject->isRigidBody()) {
551 <        rb = static_cast<RigidBody*>(integrableObject);
550 >      if (sd->isRigidBody()) {
551 >        rb = static_cast<RigidBody*>(sd);
552          vector<Atom*> atoms = rb->getAtoms();
553          set<int> rigidAtoms;
554          for (int i = 0; i < static_cast<int>(atoms.size()); ++i) {
# Line 553 | Line 559 | namespace OpenMD {
559          }      
560        } else {
561          set<int> oneAtomSet;
562 <        oneAtomSet.insert(integrableObject->getGlobalIndex());
563 <        atomGroups.insert(map<int, set<int> >::value_type(integrableObject->getGlobalIndex(), oneAtomSet));        
562 >        oneAtomSet.insert(sd->getGlobalIndex());
563 >        atomGroups.insert(map<int, set<int> >::value_type(sd->getGlobalIndex(), oneAtomSet));        
564        }
565      }  
566  
# Line 778 | Line 784 | namespace OpenMD {
784  
785    void SimInfo::setupSimVariables() {
786      useAtomicVirial_ = simParams_->getUseAtomicVirial();
787 <    // we only call setAccumulateBoxDipole if the accumulateBoxDipole parameter is true
787 >    // we only call setAccumulateBoxDipole if the accumulateBoxDipole
788 >    // parameter is true
789      calcBoxDipole_ = false;
790      if ( simParams_->haveAccumulateBoxDipole() )
791        if ( simParams_->getAccumulateBoxDipole() ) {
# Line 788 | Line 795 | namespace OpenMD {
795      set<AtomType*>::iterator i;
796      set<AtomType*> atomTypes;
797      atomTypes = getSimulatedAtomTypes();    
798 <    int usesElectrostatic = 0;
799 <    int usesMetallic = 0;
800 <    int usesDirectional = 0;
801 <    int usesFluctuatingCharges =  0;
798 >    bool usesElectrostatic = false;
799 >    bool usesMetallic = false;
800 >    bool usesDirectional = false;
801 >    bool usesFluctuatingCharges =  false;
802      //loop over all of the atom types
803      for (i = atomTypes.begin(); i != atomTypes.end(); ++i) {
804        usesElectrostatic |= (*i)->isElectrostatic();
# Line 799 | Line 806 | namespace OpenMD {
806        usesDirectional |= (*i)->isDirectional();
807        usesFluctuatingCharges |= (*i)->isFluctuatingCharge();
808      }
809 <    
810 < #ifdef IS_MPI    
811 <    int temp;
809 >
810 > #ifdef IS_MPI
811 >    bool temp;
812      temp = usesDirectional;
813 <    MPI_Allreduce(&temp, &usesDirectionalAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
814 <    
813 >    MPI::COMM_WORLD.Allreduce(&temp, &usesDirectionalAtoms_, 1, MPI::BOOL,
814 >                              MPI::LOR);
815 >        
816      temp = usesMetallic;
817 <    MPI_Allreduce(&temp, &usesMetallicAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);    
817 >    MPI::COMM_WORLD.Allreduce(&temp, &usesMetallicAtoms_, 1, MPI::BOOL,
818 >                              MPI::LOR);
819      
820      temp = usesElectrostatic;
821 <    MPI_Allreduce(&temp, &usesElectrostaticAtoms_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
821 >    MPI::COMM_WORLD.Allreduce(&temp, &usesElectrostaticAtoms_, 1, MPI::BOOL,
822 >                              MPI::LOR);
823  
824      temp = usesFluctuatingCharges;
825 <    MPI_Allreduce(&temp, &usesFluctuatingCharges_, 1, MPI_INT, MPI_LOR, MPI_COMM_WORLD);
825 >    MPI::COMM_WORLD.Allreduce(&temp, &usesFluctuatingCharges_, 1, MPI::BOOL,
826 >                              MPI::LOR);
827   #else
828  
829      usesDirectionalAtoms_ = usesDirectional;
# Line 868 | Line 879 | namespace OpenMD {
879  
880  
881    void SimInfo::prepareTopology() {
871 –    int nExclude, nOneTwo, nOneThree, nOneFour;
882  
883      //calculate mass ratio of cutoff group
884      SimInfo::MoleculeIterator mi;
# Line 917 | Line 927 | namespace OpenMD {
927      
928      //scan topology
929  
920 –    nExclude = excludedInteractions_.getSize();
921 –    nOneTwo = oneTwoInteractions_.getSize();
922 –    nOneThree = oneThreeInteractions_.getSize();
923 –    nOneFour = oneFourInteractions_.getSize();
924 –
930      int* excludeList = excludedInteractions_.getPairList();
931      int* oneTwoList = oneTwoInteractions_.getPairList();
932      int* oneThreeList = oneThreeInteractions_.getPairList();
# Line 972 | Line 977 | namespace OpenMD {
977  
978      for (mol = beginMolecule(mi); mol != NULL; mol = nextMolecule(mi)) {
979          
980 <      for (atom = mol->beginAtom(atomIter); atom != NULL; atom = mol->nextAtom(atomIter)) {
980 >      for (atom = mol->beginAtom(atomIter); atom != NULL;
981 >           atom = mol->nextAtom(atomIter)) {
982          atom->setSnapshotManager(sman_);
983        }
984          
985 <      for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
985 >      for (rb = mol->beginRigidBody(rbIter); rb != NULL;
986 >           rb = mol->nextRigidBody(rbIter)) {
987          rb->setSnapshotManager(sman_);
988        }
989  
990 <      for (cg = mol->beginCutoffGroup(cgIter); cg != NULL; cg = mol->nextCutoffGroup(cgIter)) {
990 >      for (cg = mol->beginCutoffGroup(cgIter); cg != NULL;
991 >           cg = mol->nextCutoffGroup(cgIter)) {
992          cg->setSnapshotManager(sman_);
993        }
994      }    
995      
996    }
997  
990 –  Vector3d SimInfo::getComVel(){
991 –    SimInfo::MoleculeIterator i;
992 –    Molecule* mol;
998  
994 –    Vector3d comVel(0.0);
995 –    RealType totalMass = 0.0;
996 –    
997 –
998 –    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
999 –      RealType mass = mol->getMass();
1000 –      totalMass += mass;
1001 –      comVel += mass * mol->getComVel();
1002 –    }  
1003 –
1004 – #ifdef IS_MPI
1005 –    RealType tmpMass = totalMass;
1006 –    Vector3d tmpComVel(comVel);    
1007 –    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1008 –    MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1009 – #endif
1010 –
1011 –    comVel /= totalMass;
1012 –
1013 –    return comVel;
1014 –  }
1015 –
1016 –  Vector3d SimInfo::getCom(){
1017 –    SimInfo::MoleculeIterator i;
1018 –    Molecule* mol;
1019 –
1020 –    Vector3d com(0.0);
1021 –    RealType totalMass = 0.0;
1022 –    
1023 –    for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1024 –      RealType mass = mol->getMass();
1025 –      totalMass += mass;
1026 –      com += mass * mol->getCom();
1027 –    }  
1028 –
1029 – #ifdef IS_MPI
1030 –    RealType tmpMass = totalMass;
1031 –    Vector3d tmpCom(com);    
1032 –    MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1033 –    MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1034 – #endif
1035 –
1036 –    com /= totalMass;
1037 –
1038 –    return com;
1039 –
1040 –  }        
1041 –
999    ostream& operator <<(ostream& o, SimInfo& info) {
1000  
1001      return o;
1002    }
1003    
1004 <  
1048 <   /*
1049 <   Returns center of mass and center of mass velocity in one function call.
1050 <   */
1051 <  
1052 <   void SimInfo::getComAll(Vector3d &com, Vector3d &comVel){
1053 <      SimInfo::MoleculeIterator i;
1054 <      Molecule* mol;
1055 <      
1056 <    
1057 <      RealType totalMass = 0.0;
1058 <    
1059 <
1060 <      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1061 <         RealType mass = mol->getMass();
1062 <         totalMass += mass;
1063 <         com += mass * mol->getCom();
1064 <         comVel += mass * mol->getComVel();          
1065 <      }  
1066 <      
1067 < #ifdef IS_MPI
1068 <      RealType tmpMass = totalMass;
1069 <      Vector3d tmpCom(com);  
1070 <      Vector3d tmpComVel(comVel);
1071 <      MPI_Allreduce(&tmpMass,&totalMass,1,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1072 <      MPI_Allreduce(tmpCom.getArrayPointer(), com.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1073 <      MPI_Allreduce(tmpComVel.getArrayPointer(), comVel.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1074 < #endif
1075 <      
1076 <      com /= totalMass;
1077 <      comVel /= totalMass;
1078 <   }        
1079 <  
1080 <   /*
1081 <   Return intertia tensor for entire system and angular momentum Vector.
1082 <
1083 <
1084 <       [  Ixx -Ixy  -Ixz ]
1085 <    J =| -Iyx  Iyy  -Iyz |
1086 <       [ -Izx -Iyz   Izz ]
1087 <    */
1088 <
1089 <   void SimInfo::getInertiaTensor(Mat3x3d &inertiaTensor, Vector3d &angularMomentum){
1090 <      
1091 <
1092 <      RealType xx = 0.0;
1093 <      RealType yy = 0.0;
1094 <      RealType zz = 0.0;
1095 <      RealType xy = 0.0;
1096 <      RealType xz = 0.0;
1097 <      RealType yz = 0.0;
1098 <      Vector3d com(0.0);
1099 <      Vector3d comVel(0.0);
1100 <      
1101 <      getComAll(com, comVel);
1102 <      
1103 <      SimInfo::MoleculeIterator i;
1104 <      Molecule* mol;
1105 <      
1106 <      Vector3d thisq(0.0);
1107 <      Vector3d thisv(0.0);
1108 <
1109 <      RealType thisMass = 0.0;
1110 <    
1111 <      
1112 <      
1113 <  
1114 <      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {
1115 <        
1116 <         thisq = mol->getCom()-com;
1117 <         thisv = mol->getComVel()-comVel;
1118 <         thisMass = mol->getMass();
1119 <         // Compute moment of intertia coefficients.
1120 <         xx += thisq[0]*thisq[0]*thisMass;
1121 <         yy += thisq[1]*thisq[1]*thisMass;
1122 <         zz += thisq[2]*thisq[2]*thisMass;
1123 <        
1124 <         // compute products of intertia
1125 <         xy += thisq[0]*thisq[1]*thisMass;
1126 <         xz += thisq[0]*thisq[2]*thisMass;
1127 <         yz += thisq[1]*thisq[2]*thisMass;
1128 <            
1129 <         angularMomentum += cross( thisq, thisv ) * thisMass;
1130 <            
1131 <      }  
1132 <      
1133 <      
1134 <      inertiaTensor(0,0) = yy + zz;
1135 <      inertiaTensor(0,1) = -xy;
1136 <      inertiaTensor(0,2) = -xz;
1137 <      inertiaTensor(1,0) = -xy;
1138 <      inertiaTensor(1,1) = xx + zz;
1139 <      inertiaTensor(1,2) = -yz;
1140 <      inertiaTensor(2,0) = -xz;
1141 <      inertiaTensor(2,1) = -yz;
1142 <      inertiaTensor(2,2) = xx + yy;
1143 <      
1144 < #ifdef IS_MPI
1145 <      Mat3x3d tmpI(inertiaTensor);
1146 <      Vector3d tmpAngMom;
1147 <      MPI_Allreduce(tmpI.getArrayPointer(), inertiaTensor.getArrayPointer(),9,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1148 <      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1149 < #endif
1150 <              
1151 <      return;
1152 <   }
1153 <
1154 <   //Returns the angular momentum of the system
1155 <   Vector3d SimInfo::getAngularMomentum(){
1156 <      
1157 <      Vector3d com(0.0);
1158 <      Vector3d comVel(0.0);
1159 <      Vector3d angularMomentum(0.0);
1160 <      
1161 <      getComAll(com,comVel);
1162 <      
1163 <      SimInfo::MoleculeIterator i;
1164 <      Molecule* mol;
1165 <      
1166 <      Vector3d thisr(0.0);
1167 <      Vector3d thisp(0.0);
1168 <      
1169 <      RealType thisMass;
1170 <      
1171 <      for (mol = beginMolecule(i); mol != NULL; mol = nextMolecule(i)) {        
1172 <        thisMass = mol->getMass();
1173 <        thisr = mol->getCom()-com;
1174 <        thisp = (mol->getComVel()-comVel)*thisMass;
1175 <        
1176 <        angularMomentum += cross( thisr, thisp );
1177 <        
1178 <      }  
1179 <      
1180 < #ifdef IS_MPI
1181 <      Vector3d tmpAngMom;
1182 <      MPI_Allreduce(tmpAngMom.getArrayPointer(), angularMomentum.getArrayPointer(),3,MPI_REALTYPE,MPI_SUM, MPI_COMM_WORLD);
1183 < #endif
1184 <      
1185 <      return angularMomentum;
1186 <   }
1187 <  
1004 >  
1005    StuntDouble* SimInfo::getIOIndexToIntegrableObject(int index) {
1006 <    return IOIndexToIntegrableObject.at(index);
1006 >    if (index >= IOIndexToIntegrableObject.size()) {
1007 >      sprintf(painCave.errMsg,
1008 >              "SimInfo::getIOIndexToIntegrableObject Error: Integrable Object\n"
1009 >              "\tindex exceeds number of known objects!\n");
1010 >      painCave.isFatal = 1;
1011 >      simError();
1012 >      return NULL;
1013 >    } else
1014 >      return IOIndexToIntegrableObject.at(index);
1015    }
1016    
1017    void SimInfo::setIOIndexToIntegrableObject(const vector<StuntDouble*>& v) {
1018      IOIndexToIntegrableObject= v;
1019    }
1020  
1196 –  /* Returns the Volume of the simulation based on a ellipsoid with semi-axes
1197 –     based on the radius of gyration V=4/3*Pi*R_1*R_2*R_3
1198 –     where R_i are related to the principle inertia moments R_i = sqrt(C*I_i/N), this reduces to
1199 –     V = 4/3*Pi*(C/N)^3/2*sqrt(det(I)). See S.E. Baltazar et. al. Comp. Mat. Sci. 37 (2006) 526-536.
1200 –  */
1201 –  void SimInfo::getGyrationalVolume(RealType &volume){
1202 –    Mat3x3d intTensor;
1203 –    RealType det;
1204 –    Vector3d dummyAngMom;
1205 –    RealType sysconstants;
1206 –    RealType geomCnst;
1207 –
1208 –    geomCnst = 3.0/2.0;
1209 –    /* Get the inertial tensor and angular momentum for free*/
1210 –    getInertiaTensor(intTensor,dummyAngMom);
1211 –    
1212 –    det = intTensor.determinant();
1213 –    sysconstants = geomCnst/(RealType)nGlobalIntegrableObjects_;
1214 –    volume = 4.0/3.0*NumericConstant::PI*pow(sysconstants,geomCnst)*sqrt(det);
1215 –    return;
1216 –  }
1217 –
1218 –  void SimInfo::getGyrationalVolume(RealType &volume, RealType &detI){
1219 –    Mat3x3d intTensor;
1220 –    Vector3d dummyAngMom;
1221 –    RealType sysconstants;
1222 –    RealType geomCnst;
1223 –
1224 –    geomCnst = 3.0/2.0;
1225 –    /* Get the inertial tensor and angular momentum for free*/
1226 –    getInertiaTensor(intTensor,dummyAngMom);
1227 –    
1228 –    detI = intTensor.determinant();
1229 –    sysconstants = geomCnst/(RealType)nGlobalIntegrableObjects_;
1230 –    volume = 4.0/3.0*NumericConstant::PI*pow(sysconstants,geomCnst)*sqrt(detI);
1231 –    return;
1232 –  }
1233 – /*
1234 –   void SimInfo::setStuntDoubleFromGlobalIndex(vector<StuntDouble*> v) {
1235 –      assert( v.size() == nAtoms_ + nRigidBodies_);
1236 –      sdByGlobalIndex_ = v;
1237 –    }
1238 –
1239 –    StuntDouble* SimInfo::getStuntDoubleFromGlobalIndex(int index) {
1240 –      //assert(index < nAtoms_ + nRigidBodies_);
1241 –      return sdByGlobalIndex_.at(index);
1242 –    }  
1243 – */  
1021    int SimInfo::getNGlobalConstraints() {
1022      int nGlobalConstraints;
1023   #ifdef IS_MPI
1024 <    MPI_Allreduce(&nConstraints_, &nGlobalConstraints, 1, MPI_INT, MPI_SUM,
1025 <                  MPI_COMM_WORLD);    
1024 >    MPI::COMM_WORLD.Allreduce(&nConstraints_, &nGlobalConstraints, 1,
1025 >                              MPI::INT, MPI::SUM);
1026   #else
1027      nGlobalConstraints =  nConstraints_;
1028   #endif

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