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root/group/trunk/OOPSE/libmdtools/ForceFields.cpp
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Comparing trunk/OOPSE/libmdtools/ForceFields.cpp (file contents):
Revision 443 by mmeineke, Wed Apr 2 22:19:03 2003 UTC vs.
Revision 841 by mmeineke, Wed Oct 29 17:55:28 2003 UTC

# Line 1 | Line 1
1 < #include <cstdlib>
1 > #include <iostream>
2  
3 + using namespace std;
4 +
5 +
6 + #include <stdlib.h>
7 +
8   #ifdef IS_MPI
9   #include <mpi.h>
5 #include <mpi++.h>
10   #endif // is_mpi
11  
12  
# Line 16 | Line 20 | void ForceFields::calcRcut( void ){
20  
21   #ifdef IS_MPI
22    double tempBig = bigSigma;
23 <  MPI::COMM_WORLD.Allreduce( &tempBig, &bigSigma, 1, MPI_DOUBLE, MPI_MAX );
23 >  MPI_Allreduce( &tempBig, &bigSigma, 1, MPI_DOUBLE, MPI_MAX,
24 >                 MPI_COMM_WORLD);
25   #endif  //is_mpi
26  
27    //calc rCut and rList
28  
29 <  entry_plug->rCut = 2.5 * bigSigma;
30 <  if(entry_plug->rCut > (entry_plug->box_x / 2.0))
26 <    entry_plug->rCut = entry_plug->box_x / 2.0;
27 <  if(entry_plug->rCut > (entry_plug->box_y / 2.0))
28 <    entry_plug->rCut = entry_plug->box_y / 2.0;
29 <  if(entry_plug->rCut > (entry_plug->box_z / 2.0))
30 <    entry_plug->rCut = entry_plug->box_z / 2.0;
31 <  
32 <  entry_plug->rList = entry_plug->rCut + 1.0;
33 <  
29 >  entry_plug->setDefaultRcut( 2.5 * bigSigma );  
30 >    
31   }
32  
33   void ForceFields::doForces( int calcPot, int calcStress ){
# Line 39 | Line 36 | void ForceFields::doForces( int calcPot, int calcStres
36    double* frc;
37    double* pos;
38    double* trq;
42  double* tau;
39    double* A;
40    double* u_l;;
41 <  DirectionalAtom* dAtom;
41 >  SimState* config;
42  
47  double ut[3];
48
49  //u_l = new double[entry_plug->n_atoms];
50
43    short int passedCalcPot = (short int)calcPot;
44    short int passedCalcStress = (short int)calcStress;
45  
46 <  // forces are zeroed here, before any are acumulated.
46 >  // forces are zeroed here, before any are accumulated.
47    // NOTE: do not rezero the forces in Fortran.
48  
57
49    for(i=0; i<entry_plug->n_atoms; i++){
50 <    entry_plug->atoms[i]->zeroForces();
60 <
61 <    if( entry_plug->atoms[i]->isDirectional() ){
62 <      dAtom = (DirectionalAtom *)entry_plug->atoms[i];
63 <      dAtom->getU(ut);
64 <    
65 <
66 <      if(dAtom->getIndex()== 1){
67 <        std::cerr << "atom 2's u_l = " << ut[0] << ", " << ut[1]
68 <                  << ", " << ut[2] << "\n";
69 <      }
70 <    }
71 <    
50 >    entry_plug->atoms[i]->zeroForces();    
51    }
52  
53    for(i=0; i<entry_plug->n_mol; i++ ){
54      entry_plug->molecules[i].calcForces();
55    }
56  
57 <  frc = Atom::getFrcArray();
79 <  pos = Atom::getPosArray();
80 <  trq = Atom::getTrqArray();
81 <  A   = Atom::getAmatArray();
82 <  u_l = Atom::getUlArray();
83 <  tau = entry_plug->tau;
84 <
57 >  config = entry_plug->getConfiguration();
58    
59 +  frc = config->getFrcArray();
60 +  pos = config->getPosArray();
61 +  trq = config->getTrqArray();
62 +  A   = config->getAmatArray();
63 +  u_l = config->getUlArray();
64 +
65    isError = 0;
66    entry_plug->lrPot = 0.0;
67  
68 +  for (i=0; i<9; i++) {
69 +    entry_plug->tau[i] = 0.0;
70 +  }
71  
72 <  
72 >  std::cerr << "before\n"
73 >            << "  force[0] = " << frc[0] << "\n"
74 >            << "  pos[0]   = " << pos[0] << "\n"
75 >            << "  trq[0]   = " << trq[0] << "\n"
76 >            << "  A[0]     = " << A[0] << "\n"
77 >            << "  tau      = " << entry_plug->tau[0] << ", " << entry_plug->tau[1] << ", " << entry_plug->tau[2] << "\n"
78 >            << "             " << entry_plug->tau[3] << ", " << entry_plug->tau[4] << ", " << entry_plug->tau[5] << "\n"
79 >            << "             " << entry_plug->tau[6] << ", " << entry_plug->tau[7] << ", " << entry_plug->tau[8] << "\n\n";
80 >
81    fortranForceLoop( pos,
82                      A,
83                      u_l,
84                      frc,
85                      trq,
86 <                    tau,
86 >                    entry_plug->tau,
87                      &(entry_plug->lrPot),
88                      &passedCalcPot,
89                      &passedCalcStress,
90                      &isError );
91  
92  
93 <  //  delete[] u_l;
93 >  std::cerr << "after\n"
94 >            << "  force[0] = " << frc[0] << "\n"
95 >            << "  pos[0]   = " << pos[0] << "\n"
96 >            << "  trq[0]   = " << trq[0] << "\n"
97 >            << "  A[0]     = " << A[0] << "\n"
98 >            << "  tau      = " << entry_plug->tau[0] << ", " << entry_plug->tau[1] << ", " << entry_plug->tau[2] << "\n"
99 >            << "             " << entry_plug->tau[3] << ", " << entry_plug->tau[4] << ", " << entry_plug->tau[5] << "\n"
100 >            << "             " << entry_plug->tau[6] << ", " << entry_plug->tau[7] << ", " << entry_plug->tau[8] << "\n\n";
101  
102    if( isError ){
103      sprintf( painCave.errMsg,
# Line 114 | Line 111 | void ForceFields::doForces( int calcPot, int calcStres
111             "returned from the force calculation.\n" );
112    MPIcheckPoint();
113   #endif // is_mpi
114 +  
115  
116   }
117  

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