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#include <cstdlib> | 
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#include <cstring> | 
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#include <cmath> | 
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#include <iostream> | 
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using namespace std; | 
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#include "SimInfo.hpp" | 
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#define __C | 
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#include "mpiSimulation.hpp" | 
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#endif | 
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inline double roundMe( double x ){ | 
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  return ( x >= 0 ) ? floor( x + 0.5 ) : ceil( x - 0.5 ); | 
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} | 
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SimInfo* currentInfo; | 
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SimInfo::SimInfo(){ | 
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} | 
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void SimInfo::setBox(double newBox[3]) { | 
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  double smallestBox, maxCutoff; | 
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  int status; | 
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  box_x = newBox[0]; | 
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  box_y = newBox[1]; | 
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  box_z = newBox[2]; | 
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  setFortranBoxSize(newBox); | 
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  int i; | 
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  double tempMat[9]; | 
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  smallestBox = box_x; | 
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  if (box_y < smallestBox) smallestBox = box_y; | 
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  if (box_z < smallestBox) smallestBox = box_z; | 
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  for(i=0; i<9; i++) tempMat[i] = 0.0;; | 
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  maxCutoff = smallestBox / 2.0; | 
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  tempMat[0] = newBox[0]; | 
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  tempMat[4] = newBox[1]; | 
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  tempMat[8] = newBox[2]; | 
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  setBoxM( tempMat ); | 
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} | 
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void SimInfo::setBoxM( double theBox[9] ){ | 
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  int i, status; | 
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  double smallestBoxL, maxCutoff; | 
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  for(i=0; i<9; i++) Hmat[i] = theBox[i]; | 
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  cerr  | 
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    << "setting Hmat ->\n" | 
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    << "[ " << Hmat[0] << ", " << Hmat[3] << ", " << Hmat[6] << " ]\n" | 
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    << "[ " << Hmat[1] << ", " << Hmat[4] << ", " << Hmat[7] << " ]\n" | 
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    << "[ " << Hmat[2] << ", " << Hmat[5] << ", " << Hmat[8] << " ]\n"; | 
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  calcHmatI(); | 
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  calcBoxL(); | 
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  setFortranBoxSize(Hmat, HmatI, &orthoRhombic); | 
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  | 
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  smallestBoxL = boxLx; | 
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  if (boxLy < smallestBoxL) smallestBoxL = boxLy; | 
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  if (boxLz < smallestBoxL) smallestBoxL = boxLz; | 
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  maxCutoff = smallestBoxL / 2.0; | 
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  if (rList > maxCutoff) { | 
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    sprintf( painCave.errMsg, | 
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             "New Box size is forcing neighborlist radius down to %lf\n", | 
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    } | 
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  } | 
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} | 
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void SimInfo::getBox(double theBox[3]) { | 
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  theBox[0] = box_x; | 
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  theBox[1] = box_y; | 
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  theBox[2] = box_z; | 
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void SimInfo::getBoxM (double theBox[9]) { | 
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  int i; | 
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  for(i=0; i<9; i++) theBox[i] = Hmat[i]; | 
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} | 
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void SimInfo::scaleBox(double scale) { | 
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  double theBox[9]; | 
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  int i; | 
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  cerr << "Scaling box by " << scale << "\n"; | 
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  for(i=0; i<9; i++) theBox[i] = Hmat[i]*scale; | 
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  setBoxM(theBox); | 
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} | 
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void SimInfo::calcHmatI( void ) { | 
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  double C[3][3]; | 
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  double detHmat; | 
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  int i, j, k; | 
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  double smallDiag; | 
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  double tol; | 
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  double sanity[3][3]; | 
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  // calculate the adjunct of Hmat; | 
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  C[0][0] =  ( Hmat[4]*Hmat[8]) - (Hmat[7]*Hmat[5]); | 
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  C[1][0] = -( Hmat[1]*Hmat[8]) + (Hmat[7]*Hmat[2]); | 
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  C[2][0] =  ( Hmat[1]*Hmat[5]) - (Hmat[4]*Hmat[2]); | 
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  C[0][1] = -( Hmat[3]*Hmat[8]) + (Hmat[6]*Hmat[5]); | 
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  C[1][1] =  ( Hmat[0]*Hmat[8]) - (Hmat[6]*Hmat[2]); | 
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  C[2][1] = -( Hmat[0]*Hmat[5]) + (Hmat[3]*Hmat[2]); | 
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  C[0][2] =  ( Hmat[3]*Hmat[7]) - (Hmat[6]*Hmat[4]); | 
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  C[1][2] = -( Hmat[0]*Hmat[7]) + (Hmat[6]*Hmat[1]); | 
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  C[2][2] =  ( Hmat[0]*Hmat[4]) - (Hmat[3]*Hmat[1]); | 
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  // calcutlate the determinant of Hmat | 
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  detHmat = 0.0; | 
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  for(i=0; i<3; i++) detHmat += Hmat[i] * C[i][0]; | 
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  // H^-1 = C^T / det(H) | 
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  i=0; | 
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  for(j=0; j<3; j++){ | 
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    for(k=0; k<3; k++){ | 
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      HmatI[i] = C[j][k] / detHmat; | 
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      i++; | 
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    } | 
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  } | 
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  // sanity check | 
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  for(i=0; i<3; i++){ | 
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    for(j=0; j<3; j++){ | 
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      sanity[i][j] = 0.0; | 
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      for(k=0; k<3; k++){ | 
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        sanity[i][j] += Hmat[3*k+i] * HmatI[3*j+k]; | 
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      } | 
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    } | 
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  } | 
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  cerr << "sanity => \n"  | 
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       << sanity[0][0] << "\t" << sanity[0][1] << "\t" << sanity [0][2] << "\n" | 
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       << sanity[1][0] << "\t" << sanity[1][1] << "\t" << sanity [1][2] << "\n" | 
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       << sanity[2][0] << "\t" << sanity[2][1] << "\t" << sanity [2][2]  | 
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       << "\n"; | 
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  // check to see if Hmat is orthorhombic | 
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  smallDiag = Hmat[0]; | 
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  if(smallDiag > Hmat[4]) smallDiag = Hmat[4]; | 
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  if(smallDiag > Hmat[8]) smallDiag = Hmat[8]; | 
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  tol = smallDiag * 1E-6; | 
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  orthoRhombic = 1; | 
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  for(i=0; (i<9) && orthoRhombic; i++){ | 
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    if( (i%4) ){ // ignore the diagonals (0, 4, and 8) | 
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      orthoRhombic = (Hmat[i] <= tol); | 
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    } | 
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  } | 
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} | 
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void SimInfo::calcBoxL( void ){ | 
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  double dx, dy, dz, dsq; | 
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  int i; | 
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  // boxVol = h1 (dot) h2 (cross) h3 | 
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  boxVol = Hmat[0] * ( (Hmat[4]*Hmat[8]) - (Hmat[7]*Hmat[5]) ) | 
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         + Hmat[1] * ( (Hmat[5]*Hmat[6]) - (Hmat[8]*Hmat[3]) ) | 
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         + Hmat[2] * ( (Hmat[3]*Hmat[7]) - (Hmat[6]*Hmat[4]) ); | 
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  // boxLx | 
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  dx = Hmat[0]; dy = Hmat[1]; dz = Hmat[2]; | 
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  dsq = dx*dx + dy*dy + dz*dz; | 
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  boxLx = sqrt( dsq ); | 
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  // boxLy | 
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  dx = Hmat[3]; dy = Hmat[4]; dz = Hmat[5]; | 
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  dsq = dx*dx + dy*dy + dz*dz; | 
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  boxLy = sqrt( dsq ); | 
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  // boxLz | 
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  dx = Hmat[6]; dy = Hmat[7]; dz = Hmat[8]; | 
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  dsq = dx*dx + dy*dy + dz*dz; | 
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  boxLz = sqrt( dsq ); | 
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} | 
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void SimInfo::wrapVector( double thePos[3] ){ | 
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  int i, j, k; | 
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  double scaled[3]; | 
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  if( !orthoRhombic ){ | 
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    // calc the scaled coordinates. | 
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    for(i=0; i<3; i++) | 
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      scaled[i] =  | 
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        thePos[0]*HmatI[i] + thePos[1]*HmatI[i+3] + thePos[3]*HmatI[i+6]; | 
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    // wrap the scaled coordinates | 
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    for(i=0; i<3; i++) | 
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      scaled[i] -= roundMe(scaled[i]); | 
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    // calc the wrapped real coordinates from the wrapped scaled coordinates | 
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    for(i=0; i<3; i++) | 
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      thePos[i] =  | 
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        scaled[0]*Hmat[i] + scaled[1]*Hmat[i+3] + scaled[2]*Hmat[i+6]; | 
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  } | 
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  else{ | 
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    // calc the scaled coordinates. | 
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    for(i=0; i<3; i++) | 
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      scaled[i] = thePos[i]*HmatI[i*4]; | 
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    // wrap the scaled coordinates | 
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    for(i=0; i<3; i++) | 
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      scaled[i] -= roundMe(scaled[i]); | 
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    // calc the wrapped real coordinates from the wrapped scaled coordinates | 
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    for(i=0; i<3; i++) | 
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      thePos[i] = scaled[i]*Hmat[i*4]; | 
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  } | 
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} | 
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int SimInfo::getNDF(){ | 
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  int ndf_local, ndf; | 
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  fInfo.rt = 0.0; | 
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  fInfo.dielect = 0.0; | 
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  fInfo.box[0] = box_x; | 
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  fInfo.box[1] = box_y; | 
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  fInfo.box[2] = box_z; | 
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  fInfo.rlist = rList; | 
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  fInfo.rcut = rCut; | 
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