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root/group/trunk/OOPSE/libmdtools/SimSetup.cpp
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Comparing trunk/OOPSE/libmdtools/SimSetup.cpp (file contents):
Revision 855 by mmeineke, Thu Nov 6 22:01:37 2003 UTC vs.
Revision 962 by tim, Mon Jan 19 18:36:21 2004 UTC

# Line 30 | Line 30 | SimSetup::SimSetup(){
30  
31   using namespace std;
32  
33 + /**
34 + * Check whether dividend is divisble by divisor or not
35 + */
36 + bool isDivisible(double dividend, double divisor){
37 +  double tolerance = 0.000001;
38 +  double quotient;
39 +  double diff;
40 +  int intQuotient;
41 +  
42 +  quotient = dividend / divisor;
43 +
44 +  if (quotient < 0)
45 +    quotient = -quotient;
46 +
47 +  intQuotient = int (quotient + tolerance);
48 +
49 +  diff = fabs(fabs(dividend) - intQuotient  * fabs(divisor));
50 +
51 +  if (diff <= tolerance)
52 +    return true;
53 +  else
54 +    return false;  
55 + }
56 +
57   SimSetup::SimSetup(){
58    
59    initSuspend = false;
# Line 103 | Line 127 | void SimSetup::createSim(void){
127  
128    sysObjectsCreation();
129  
130 +  // check on the post processing info
131 +
132 +  finalInfoCheck();
133 +
134    // initialize the system coordinates
135  
136    if ( !initSuspend ){
# Line 111 | Line 139 | void SimSetup::createSim(void){
139      if( !(globals->getUseInitTime()) )
140        info[0].currentTime = 0.0;
141    }  
114 –
115 –  // check on the post processing info
116 –
117 –  finalInfoCheck();
142  
143    // make the output filenames
144  
# Line 665 | Line 689 | void SimSetup::gatherInfo(void){
689              " Please give nMol in the components.\n");
690      painCave.isFatal = 1;
691      simError();
692 +  }
693 +
694 +  //check whether sample time, status time, thermal time and reset time are divisble by dt
695 +  if (!isDivisible(globals->getSampleTime(), globals->getDt())){
696 +    sprintf(painCave.errMsg,
697 +              "Sample time is not divisible by dt \n");
698 +    painCave.isFatal = 0;
699 +    simError();    
700    }
701 +
702 +  if (globals->haveStatusTime() && !isDivisible(globals->getSampleTime(), globals->getDt())){
703 +    sprintf(painCave.errMsg,
704 +              "Status time is not divisible by dt\n");
705 +    painCave.isFatal = 0;
706 +    simError();    
707 +  }
708 +
709 +  if (globals->haveThermalTime() && !isDivisible(globals->getThermalTime(), globals->getDt())){
710 +    sprintf(painCave.errMsg,
711 +              "Thermal time is not divisible by dt\n");
712 +    painCave.isFatal = 0;
713 +    simError();    
714 +  }  
715 +
716 +  if (globals->haveResetTime() && !isDivisible(globals->getResetTime(), globals->getDt())){
717 +    sprintf(painCave.errMsg,
718 +              "Reset time is not divisible by dt\n");
719 +    painCave.isFatal = 0;
720 +    simError();    
721 +  }
722  
723    // set the status, sample, and thermal kick times
724  
# Line 781 | Line 834 | void SimSetup::finalInfoCheck(void){
834  
835        if (!globals->haveECR()){
836          sprintf(painCave.errMsg,
837 <                "SimSetup Warning: using default value of 1/2 the smallest "
838 <                "box length for the electrostaticCutoffRadius.\n"
786 <                "I hope you have a very fast processor!\n");
837 >                "SimSetup Warning: using default value of 15.0 angstroms"
838 >                "box length for the electrostaticCutoffRadius.\n");
839          painCave.isFatal = 0;
840          simError();
841 <        double smallest;
790 <        smallest = info[i].boxL[0];
791 <        if (info[i].boxL[1] <= smallest)
792 <          smallest = info[i].boxL[1];
793 <        if (info[i].boxL[2] <= smallest)
794 <          smallest = info[i].boxL[2];
795 <        theEcr = 0.5 * smallest;
841 >        theEcr = 15.0;
842        }
843        else{
844          theEcr = globals->getECR();
# Line 825 | Line 871 | void SimSetup::finalInfoCheck(void){
871        if (usesDipoles){
872          if (!globals->haveECR()){
873            sprintf(painCave.errMsg,
874 <                  "SimSetup Warning: using default value of 1/2 the smallest "
875 <                  "box length for the electrostaticCutoffRadius.\n"
876 <                  "I hope you have a very fast processor!\n");
877 <          painCave.isFatal = 0;
878 <          simError();
833 <          double smallest;
834 <          smallest = info[i].boxL[0];
835 <          if (info[i].boxL[1] <= smallest)
836 <            smallest = info[i].boxL[1];
837 <          if (info[i].boxL[2] <= smallest)
838 <            smallest = info[i].boxL[2];
839 <          theEcr = 0.5 * smallest;
874 >                  "SimSetup Warning: using default value of 15.0 angstroms"
875 >                  "box length for the electrostaticCutoffRadius.\n");
876 >          painCave.isFatal = 0;
877 >          simError();
878 >          theEcr = 15.0;
879          }
880          else{
881            theEcr = globals->getECR();
882          }
883 <
883 >        
884          if (!globals->haveEST()){
885            sprintf(painCave.errMsg,
886                    "SimSetup Warning: using default value of 0.05 * the "
# Line 854 | Line 893 | void SimSetup::finalInfoCheck(void){
893          else{
894            theEst = globals->getEST();
895          }
896 <
896 >        
897          info[i].setDefaultEcr(theEcr, theEst);
898        }
899      }
861 –
862 –    if( !initSuspend )
863 –      info[i].checkCutOffs();
900    }
865 –
901   #ifdef IS_MPI
902    strcpy(checkPointMsg, "post processing checks out");
903    MPIcheckPoint();
904   #endif // is_mpi
905   }
906 <
906 >  
907   void SimSetup::initSystemCoords(void){
908    int i;
909  
# Line 896 | Line 931 | void SimSetup::initSystemCoords(void){
931      delete fileInit;
932    }
933    else{
934 < #ifdef IS_MPI
935 <
936 <    // no init from bass
902 <
934 >    
935 >    // no init from bass
936 >    
937      sprintf(painCave.errMsg,
938 <            "Cannot intialize a parallel simulation without an initial configuration file.\n");
938 >            "Cannot intialize a simulation without an initial configuration file.\n");
939      painCave.isFatal = 1;;
940      simError();
941 <
908 < #else
909 <
910 <    initFromBass();
911 <
912 <
913 < #endif
941 >    
942    }
943  
944   #ifdef IS_MPI

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