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 * redistribute this software in source and binary code form, provided | 
| 7 | 
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 * that the following conditions are met: | 
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  | 
 * | 
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 * 1. Acknowledgement of the program authors must be made in any | 
| 10 | 
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 *    publication of scientific results based in part on use of the | 
| 11 | 
< | 
 *    program.  An acceptable form of acknowledgement is citation of | 
| 12 | 
< | 
 *    the article in which the program was described (Matthew | 
| 13 | 
< | 
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
| 14 | 
< | 
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
| 15 | 
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 *    Parallel Simulation Engine for Molecular Dynamics," | 
| 16 | 
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 *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
| 17 | 
< | 
 * | 
| 18 | 
< | 
 * 2. Redistributions of source code must retain the above copyright | 
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> | 
 * 1. Redistributions of source code must retain the above copyright | 
| 10 | 
  | 
 *    notice, this list of conditions and the following disclaimer. | 
| 11 | 
  | 
 * | 
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< | 
 * 3. Redistributions in binary form must reproduce the above copyright | 
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> | 
 * 2. Redistributions in binary form must reproduce the above copyright | 
| 13 | 
  | 
 *    notice, this list of conditions and the following disclaimer in the | 
| 14 | 
  | 
 *    documentation and/or other materials provided with the | 
| 15 | 
  | 
 *    distribution. | 
| 28 | 
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 * arising out of the use of or inability to use software, even if the | 
| 29 | 
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 * University of Notre Dame has been advised of the possibility of | 
| 30 | 
  | 
 * such damages. | 
| 31 | 
+ | 
 * | 
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+ | 
 * SUPPORT OPEN SCIENCE!  If you use OpenMD or its source code in your | 
| 33 | 
+ | 
 * research, please cite the appropriate papers when you publish your | 
| 34 | 
+ | 
 * work.  Good starting points are: | 
| 35 | 
+ | 
 *                                                                       | 
| 36 | 
+ | 
 * [1]  Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).              | 
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+ | 
 * [2]  Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).           | 
| 38 | 
+ | 
 * [3]  Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).           | 
| 39 | 
+ | 
 * [4]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010). | 
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+ | 
 * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011). | 
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  | 
 */ | 
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   | 
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/** | 
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#include "utils/NumericConstant.hpp" | 
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  | 
#include "utils/simError.h" | 
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  | 
#include "utils/Utility.hpp" | 
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< | 
namespace oopse { | 
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> | 
#include <cstdio> | 
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  | 
 | 
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+ | 
namespace OpenMD { | 
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+ | 
 | 
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  | 
  void  Snapshot::setHmat(const Mat3x3d& m) { | 
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< | 
    const double orthoTolerance = NumericConstant::epsilon; | 
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< | 
    hmat_ = m; | 
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< | 
    invHmat_ = hmat_.inverse(); | 
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> | 
    frameData.hmat = m; | 
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> | 
    frameData.invHmat = frameData.hmat.inverse(); | 
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  | 
     | 
| 61 | 
– | 
    //prepare fortran Hmat  | 
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– | 
    double fortranHmat[9]; | 
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– | 
    double fortranInvHmat[9]; | 
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– | 
    hmat_.getArray(fortranHmat); | 
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– | 
    invHmat_.getArray(fortranInvHmat); | 
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– | 
 | 
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    //determine whether the box is orthoTolerance or not | 
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< | 
    int oldOrthoRhombic = orthoRhombic_; | 
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> | 
    bool oldOrthoRhombic = frameData.orthoRhombic; | 
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  | 
     | 
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< | 
    double smallDiag = fabs(hmat_(0, 0)); | 
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< | 
    if(smallDiag > fabs(hmat_(1, 1))) smallDiag = fabs(hmat_(1, 1)); | 
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< | 
    if(smallDiag > fabs(hmat_(2, 2))) smallDiag = fabs(hmat_(2, 2));     | 
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< | 
    double tol = smallDiag * orthoTolerance; | 
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> | 
    RealType smallDiag = fabs(frameData.hmat(0, 0)); | 
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> | 
    if(smallDiag > fabs(frameData.hmat(1, 1))) smallDiag = fabs(frameData.hmat(1, 1)); | 
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> | 
    if(smallDiag > fabs(frameData.hmat(2, 2))) smallDiag = fabs(frameData.hmat(2, 2));     | 
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> | 
    RealType tol = smallDiag * orthoTolerance_; | 
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  | 
 | 
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< | 
    orthoRhombic_ = 1; | 
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> | 
    frameData.orthoRhombic = true; | 
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  | 
 | 
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  | 
    for (int i = 0; i < 3; i++ ) { | 
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  | 
      for (int j = 0 ; j < 3; j++) { | 
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  | 
        if (i != j) { | 
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< | 
          if (orthoRhombic_) { | 
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< | 
            if ( fabs(hmat_(i, j)) >= tol) | 
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< | 
              orthoRhombic_ = 0; | 
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> | 
          if (frameData.orthoRhombic) { | 
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> | 
            if ( fabs(frameData.hmat(i, j)) >= tol) | 
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> | 
              frameData.orthoRhombic = false; | 
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  | 
          }         | 
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  | 
        } | 
| 81 | 
  | 
      } | 
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  | 
    } | 
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  | 
 | 
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< | 
    if( oldOrthoRhombic != orthoRhombic_ ){ | 
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> | 
    if( oldOrthoRhombic != frameData.orthoRhombic){ | 
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  | 
 | 
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< | 
      if( orthoRhombic_ ) { | 
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> | 
      if( frameData.orthoRhombic ) { | 
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        sprintf( painCave.errMsg, | 
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< | 
                 "OOPSE is switching from the default Non-Orthorhombic\n" | 
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> | 
                 "OpenMD is switching from the default Non-Orthorhombic\n" | 
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  | 
                 "\tto the faster Orthorhombic periodic boundary computations.\n" | 
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                 "\tThis is usually a good thing, but if you want the\n" | 
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  | 
                 "\tNon-Orthorhombic computations, make the orthoBoxTolerance\n" | 
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  | 
                 "\tvariable ( currently set to %G ) smaller.\n", | 
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< | 
                 orthoTolerance); | 
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< | 
        painCave.severity = OOPSE_INFO; | 
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> | 
                 orthoTolerance_); | 
| 94 | 
> | 
        painCave.severity = OPENMD_INFO; | 
| 95 | 
  | 
        simError(); | 
| 96 | 
  | 
      } | 
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  | 
      else { | 
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  | 
        sprintf( painCave.errMsg, | 
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< | 
                 "OOPSE is switching from the faster Orthorhombic to the more\n" | 
| 99 | 
> | 
                 "OpenMD is switching from the faster Orthorhombic to the more\n" | 
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  | 
                 "\tflexible Non-Orthorhombic periodic boundary computations.\n" | 
| 101 | 
  | 
                 "\tThis is usually because the box has deformed under\n" | 
| 102 | 
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                 "\tNPTf integration. If you want to live on the edge with\n" | 
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  | 
                 "\tthe Orthorhombic computations, make the orthoBoxTolerance\n" | 
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  | 
                 "\tvariable ( currently set to %G ) larger.\n", | 
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< | 
                 orthoTolerance); | 
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< | 
        painCave.severity = OOPSE_WARNING; | 
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> | 
                 orthoTolerance_); | 
| 106 | 
> | 
        painCave.severity = OPENMD_WARNING; | 
| 107 | 
  | 
        simError(); | 
| 108 | 
  | 
      } | 
| 109 | 
  | 
    }     | 
| 114 | 
– | 
 | 
| 115 | 
– | 
    //notify fortran simulation box has changed | 
| 116 | 
– | 
    setFortranBox(fortranHmat, fortranInvHmat, &orthoRhombic_); | 
| 110 | 
  | 
  } | 
| 111 | 
  | 
 | 
| 112 | 
  | 
 | 
| 113 | 
  | 
  void Snapshot::wrapVector(Vector3d& pos) { | 
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+ | 
     | 
| 115 | 
+ | 
    Vector3d scaled = scaleVector(pos); | 
| 116 | 
+ | 
     | 
| 117 | 
+ | 
    for (int i = 0; i < 3; i++)  | 
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+ | 
      scaled[i] -= roundMe(scaled[i]); | 
| 119 | 
  | 
 | 
| 120 | 
< | 
    int i; | 
| 121 | 
< | 
    Vector3d scaled; | 
| 120 | 
> | 
    if( !frameData.orthoRhombic ) | 
| 121 | 
> | 
      pos = frameData.hmat * scaled;     | 
| 122 | 
> | 
    else { | 
| 123 | 
  | 
 | 
| 125 | 
– | 
    if( !orthoRhombic_ ){ | 
| 126 | 
– | 
 | 
| 127 | 
– | 
      // calc the scaled coordinates. | 
| 128 | 
– | 
      scaled = invHmat_* pos; | 
| 129 | 
– | 
 | 
| 130 | 
– | 
      // wrap the scaled coordinates | 
| 131 | 
– | 
      for (i = 0; i < 3; ++i) { | 
| 132 | 
– | 
        scaled[i] -= roundMe(scaled[i]); | 
| 133 | 
– | 
      } | 
| 134 | 
– | 
 | 
| 124 | 
  | 
      // calc the wrapped real coordinates from the wrapped scaled coordinates | 
| 125 | 
< | 
      pos = hmat_ * scaled;     | 
| 125 | 
> | 
      for (int i=0; i<3; i++) { | 
| 126 | 
> | 
        pos[i] = scaled[i] * frameData.hmat(i, i); | 
| 127 | 
> | 
      }    | 
| 128 | 
> | 
    } | 
| 129 | 
> | 
  } | 
| 130 | 
  | 
 | 
| 131 | 
< | 
    } else {//if it is orthoRhombic, we could improve efficiency by only caculating the diagonal element | 
| 131 | 
> | 
  inline Vector3d Snapshot::scaleVector(Vector3d& pos) {    | 
| 132 | 
  | 
     | 
| 133 | 
< | 
      // calc the scaled coordinates. | 
| 141 | 
< | 
      for (i=0; i<3; i++) { | 
| 142 | 
< | 
        scaled[i] = pos[i] * invHmat_(i, i); | 
| 143 | 
< | 
      } | 
| 144 | 
< | 
         | 
| 145 | 
< | 
      // wrap the scaled coordinates | 
| 146 | 
< | 
      for (i = 0; i < 3; ++i) { | 
| 147 | 
< | 
        scaled[i] -= roundMe(scaled[i]); | 
| 148 | 
< | 
      } | 
| 133 | 
> | 
    Vector3d scaled; | 
| 134 | 
  | 
 | 
| 135 | 
< | 
      // calc the wrapped real coordinates from the wrapped scaled coordinates | 
| 136 | 
< | 
      for (i=0; i<3; i++) { | 
| 137 | 
< | 
        pos[i] = scaled[i] * hmat_(i, i); | 
| 138 | 
< | 
      } | 
| 139 | 
< | 
         | 
| 135 | 
> | 
    if( !frameData.orthoRhombic ) | 
| 136 | 
> | 
      scaled = frameData.invHmat * pos; | 
| 137 | 
> | 
    else { | 
| 138 | 
> | 
      // calc the scaled coordinates. | 
| 139 | 
> | 
      for (int i=0; i<3; i++)  | 
| 140 | 
> | 
        scaled[i] = pos[i] * frameData.invHmat(i, i); | 
| 141 | 
  | 
    } | 
| 142 | 
  | 
 | 
| 143 | 
+ | 
    return scaled; | 
| 144 | 
  | 
  } | 
| 145 | 
< | 
 | 
| 145 | 
> | 
   | 
| 146 | 
> | 
  Vector3d Snapshot::getCOM() { | 
| 147 | 
> | 
    if( !hasCOM_ ) { | 
| 148 | 
> | 
      sprintf( painCave.errMsg, "COM was requested before COM was computed!\n"); | 
| 149 | 
> | 
      painCave.severity = OPENMD_ERROR; | 
| 150 | 
> | 
      simError(); | 
| 151 | 
> | 
    } | 
| 152 | 
> | 
    return frameData.COM; | 
| 153 | 
> | 
  } | 
| 154 | 
> | 
   | 
| 155 | 
> | 
  Vector3d Snapshot::getCOMvel() { | 
| 156 | 
> | 
    if( !hasCOM_ ) { | 
| 157 | 
> | 
      sprintf( painCave.errMsg, "COMvel was requested before COM was computed!\n"); | 
| 158 | 
> | 
      painCave.severity = OPENMD_ERROR; | 
| 159 | 
> | 
      simError(); | 
| 160 | 
> | 
    } | 
| 161 | 
> | 
    return frameData.COMvel; | 
| 162 | 
> | 
  } | 
| 163 | 
> | 
   | 
| 164 | 
> | 
  Vector3d Snapshot::getCOMw() { | 
| 165 | 
> | 
    if( !hasCOM_ ) { | 
| 166 | 
> | 
      sprintf( painCave.errMsg, "COMw was requested before COM was computed!\n"); | 
| 167 | 
> | 
      painCave.severity = OPENMD_ERROR; | 
| 168 | 
> | 
      simError(); | 
| 169 | 
> | 
    } | 
| 170 | 
> | 
    return frameData.COMw; | 
| 171 | 
> | 
  } | 
| 172 | 
  | 
} | 
| 173 | 
  | 
   |