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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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* |
| 9 |
< |
* 1. Acknowledgement of the program authors must be made in any |
| 10 |
< |
* 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 |
< |
* Parallel Simulation Engine for Molecular Dynamics," |
| 16 |
< |
* J. Comput. Chem. 26, pp. 252-271 (2005)) |
| 17 |
< |
* |
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< |
* 2. Redistributions of source code must retain the above copyright |
| 9 |
> |
* 1. Redistributions of source code must retain the above copyright |
| 10 |
|
* notice, this list of conditions and the following disclaimer. |
| 11 |
|
* |
| 12 |
< |
* 3. Redistributions in binary form must reproduce the above copyright |
| 12 |
> |
* 2. Redistributions in binary form must reproduce the above copyright |
| 13 |
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* notice, this list of conditions and the following disclaimer in the |
| 14 |
|
* documentation and/or other materials provided with the |
| 15 |
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* distribution. |
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* arising out of the use of or inability to use software, even if the |
| 29 |
|
* University of Notre Dame has been advised of the possibility of |
| 30 |
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* such damages. |
| 31 |
+ |
* |
| 32 |
+ |
* 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). |
| 37 |
+ |
* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
| 38 |
+ |
* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
| 39 |
+ |
* [4] Vardeman & Gezelter, in progress (2009). |
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*/ |
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#ifndef MATH_CHOLESKYDECOMPOSITION_HPP |
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#define MATH_CHOLESKYDECOMPOSITION_HPP |
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|
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< |
namespace oopse { |
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> |
namespace OpenMD { |
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template<class MatrixType> |
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int CholeskyDecomposition(MatrixType& A, MatrixType& L) { |
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int n = A.getNRow(); |
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assert(n == A.getNCol() && n == L.getNRow()&& n==L.getNCol()); |
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for(int i = 0; i < n; ++i) { |
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double sum1 = 0; |
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> |
RealType sum1 = 0; |
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for (int k = 0; k < i -1; ++k) { |
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sum1 +=L(i,k)*L(i,k); |
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} |
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L(i, i) = sqrt(A(i, i) - sum1); |
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for (int j = i+1; j < n; ++j) { |
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< |
double sum2 = 0; |
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> |
RealType sum2 = 0; |
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for (int k = 0; k < i-1; ++k) { |
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sum2 += L(j ,k)*L(i, k); |
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} |
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A(j, i) = (A(j, i) - sum2) /L(i,i); |
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> |
L(j, i) = (A(j, i) - sum2) /L(i,i); |
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} |
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} |
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|
