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* redistribute this software in source and binary code form, provided |
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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 |
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< |
* publication of scientific results based in part on use of the |
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< |
* program. An acceptable form of acknowledgement is citation of |
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< |
* the article in which the program was described (Matthew |
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* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
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< |
* Parallel Simulation Engine for Molecular Dynamics," |
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< |
* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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< |
* |
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* 2. Redistributions of source code must retain the above copyright |
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> |
* 1. Redistributions of source code must retain the above copyright |
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|
* notice, this list of conditions and the following disclaimer. |
| 11 |
|
* |
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< |
* 3. Redistributions in binary form must reproduce the above copyright |
| 12 |
> |
* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
| 14 |
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* documentation and/or other materials provided with the |
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* distribution. |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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+ |
* |
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+ |
* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
| 37 |
+ |
* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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+ |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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+ |
* [4] Vardeman & Gezelter, in progress (2009). |
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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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|
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//prepare fortran Hmat |
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double fortranHmat[9]; |
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< |
double fortranInvHmat[9]; |
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> |
RealType fortranHmat[9]; |
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> |
RealType 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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|
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< |
double smallDiag = fabs(hmat_(0, 0)); |
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> |
RealType 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 tol = smallDiag * orthoTolerance_; |
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|
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orthoRhombic_ = 1; |
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|
| 90 |
|
|
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if( 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_); |
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> |
painCave.severity = OPENMD_INFO; |
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simError(); |
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} |
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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" |
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> |
"OpenMD is switching from the faster Orthorhombic to the more\n" |
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"\tflexible Non-Orthorhombic periodic boundary computations.\n" |
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"\tThis is usually because the box has deformed under\n" |
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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_); |
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> |
painCave.severity = OPENMD_WARNING; |
| 112 |
|
simError(); |
| 113 |
|
} |
| 114 |
|
} |
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|
|
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|
//notify fortran simulation box has changed |
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< |
setFortranBox(fortranHmat, fortranInvHmat, &orthoRhombic_); |
| 117 |
> |
// setFortranBox(fortranHmat, fortranInvHmat, &orthoRhombic_); |
| 118 |
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} |
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|
|
| 120 |
|
|
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void Snapshot::wrapVector(Vector3d& pos) { |
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+ |
|
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+ |
Vector3d scaled = scaleVector(pos); |
| 124 |
+ |
|
| 125 |
+ |
for (int i = 0; i < 3; i++) |
| 126 |
+ |
scaled[i] -= roundMe(scaled[i]); |
| 127 |
|
|
| 128 |
< |
int i; |
| 129 |
< |
Vector3d scaled; |
| 128 |
> |
if( !orthoRhombic_ ) |
| 129 |
> |
pos = hmat_ * scaled; |
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> |
else { |
| 131 |
|
|
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– |
if( !orthoRhombic_ ){ |
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– |
|
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– |
// calc the scaled coordinates. |
| 128 |
– |
scaled = invHmat_* pos; |
| 129 |
– |
|
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– |
// wrap the scaled coordinates |
| 131 |
– |
for (i = 0; i < 3; ++i) { |
| 132 |
– |
scaled[i] -= roundMe(scaled[i]); |
| 133 |
– |
} |
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– |
|
| 132 |
|
// calc the wrapped real coordinates from the wrapped scaled coordinates |
| 133 |
< |
pos = hmat_ * scaled; |
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> |
for (int i=0; i<3; i++) { |
| 134 |
> |
pos[i] = scaled[i] * hmat_(i, i); |
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> |
} |
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> |
} |
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> |
} |
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|
|
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< |
} else {//if it is orthoRhombic, we could improve efficiency by only caculating the diagonal element |
| 139 |
> |
inline Vector3d Snapshot::scaleVector(Vector3d& pos) { |
| 140 |
|
|
| 141 |
< |
// 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 |
< |
} |
| 141 |
> |
Vector3d scaled; |
| 142 |
|
|
| 143 |
< |
// calc the wrapped real coordinates from the wrapped scaled coordinates |
| 144 |
< |
for (i=0; i<3; i++) { |
| 145 |
< |
pos[i] = scaled[i] * hmat_(i, i); |
| 146 |
< |
} |
| 147 |
< |
|
| 143 |
> |
if( !orthoRhombic_ ) |
| 144 |
> |
scaled = invHmat_* pos; |
| 145 |
> |
else { |
| 146 |
> |
// calc the scaled coordinates. |
| 147 |
> |
for (int i=0; i<3; i++) |
| 148 |
> |
scaled[i] = pos[i] * invHmat_(i, i); |
| 149 |
|
} |
| 150 |
|
|
| 151 |
+ |
return scaled; |
| 152 |
|
} |
| 153 |
< |
|
| 153 |
> |
|
| 154 |
> |
Vector3d Snapshot::getCOM() { |
| 155 |
> |
if( !hasCOM_ ) { |
| 156 |
> |
sprintf( painCave.errMsg, "COM was requested before COM was computed!\n"); |
| 157 |
> |
painCave.severity = OPENMD_ERROR; |
| 158 |
> |
simError(); |
| 159 |
> |
} |
| 160 |
> |
return COM_; |
| 161 |
> |
} |
| 162 |
> |
|
| 163 |
> |
Vector3d Snapshot::getCOMvel() { |
| 164 |
> |
if( !hasCOM_ ) { |
| 165 |
> |
sprintf( painCave.errMsg, "COMvel was requested before COM was computed!\n"); |
| 166 |
> |
painCave.severity = OPENMD_ERROR; |
| 167 |
> |
simError(); |
| 168 |
> |
} |
| 169 |
> |
return COMvel_; |
| 170 |
> |
} |
| 171 |
> |
|
| 172 |
> |
Vector3d Snapshot::getCOMw() { |
| 173 |
> |
if( !hasCOM_ ) { |
| 174 |
> |
sprintf( painCave.errMsg, "COMw was requested before COM was computed!\n"); |
| 175 |
> |
painCave.severity = OPENMD_ERROR; |
| 176 |
> |
simError(); |
| 177 |
> |
} |
| 178 |
> |
return COMw_; |
| 179 |
> |
} |
| 180 |
|
} |
| 181 |
|
|
