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Comparing:
trunk/src/math/SquareMatrix.hpp (file contents), Revision 963 by tim, Wed May 17 21:51:42 2006 UTC vs.
branches/development/src/math/SquareMatrix.hpp (file contents), Revision 1808 by gezelter, Mon Oct 22 20:42:10 2012 UTC

# Line 6 | Line 6
6   * redistribute this software in source and binary code form, provided
7   * that the following conditions are met:
8   *
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 < *
18 < * 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   *    notice, this list of conditions and the following disclaimer in the
14   *    documentation and/or other materials provided with the
15   *    distribution.
# Line 37 | Line 28
28   * 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   * 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]  Kuang & Gezelter,  J. Chem. Phys. 133, 164101 (2010).
40 + * [5]  Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41   */
42  
43   /**
# Line 51 | Line 52
52   #include "math/RectMatrix.hpp"
53   #include "utils/NumericConstant.hpp"
54  
55 < namespace oopse {
55 > namespace OpenMD {
56  
57    /**
58     * @class SquareMatrix SquareMatrix.hpp "math/SquareMatrix.hpp"
59     * @brief A square matrix class
60 <   * @template Real the element type
61 <   * @template Dim the dimension of the square matrix
60 >   * \tparam Real the element type
61 >   * \tparam Dim the dimension of the square matrix
62     */
63    template<typename Real, int Dim>
64    class SquareMatrix : public RectMatrix<Real, Dim, Dim> {
# Line 124 | Line 125 | namespace oopse {
125        Real det;
126        return det;
127      }
128 <
128 >    
129      /** Returns the trace of this matrix. */
130      Real trace() const {
131        Real tmp = 0;
# Line 134 | Line 135 | namespace oopse {
135  
136        return tmp;
137      }
138 +    
139 +    /**
140 +     * Returns the tensor contraction (double dot product) of two rank 2
141 +     * tensors (or Matrices)
142 +     * @param t1 first tensor
143 +     * @param t2 second tensor
144 +     * @return the tensor contraction (double dot product) of t1 and t2
145 +     */
146 +    Real doubleDot( const SquareMatrix<Real, Dim>& t1, const SquareMatrix<Real, Dim>& t2 ) {
147 +      Real tmp;
148 +      tmp = 0;
149 +      
150 +      for (unsigned int i = 0; i < Dim; i++)
151 +        for (unsigned int j =0; j < Dim; j++)
152 +          tmp += t1[i][j] * t2[i][j];
153 +      
154 +      return tmp;
155 +    }
156 +
157  
158      /** Tests if this matrix is symmetrix. */            
159      bool isSymmetric() const {
# Line 164 | Line 184 | namespace oopse {
184        return true;
185      }
186  
187 +    /**
188 +     * Returns a column vector that contains the elements from the
189 +     * diagonal of m in the order R(0) = m(0,0), R(1) = m(1,1), and so
190 +     * on.
191 +     */
192 +    Vector<Real, Dim> diagonals() const {
193 +      Vector<Real, Dim> result;
194 +      for (unsigned int i = 0; i < Dim; i++) {
195 +        result(i) = this->data_[i][i];
196 +      }
197 +      return result;
198 +    }
199 +
200      /** Tests if this matrix is the unit matrix. */
201      bool isUnitMatrix() const {
202        if (!isDiagonal())
# Line 199 | Line 232 | namespace oopse {
232       * @return true if success, otherwise return false
233       * @param a symmetric matrix whose eigenvectors are to be computed. On return, the matrix is
234       *     overwritten
235 <     * @param w will contain the eigenvalues of the matrix On return of this function
235 >     * @param d will contain the eigenvalues of the matrix On return of this function
236       * @param v the columns of this matrix will contain the eigenvectors. The eigenvectors are
237       *    normalized and mutually orthogonal.
238       */

Comparing:
trunk/src/math/SquareMatrix.hpp (property svn:keywords), Revision 963 by tim, Wed May 17 21:51:42 2006 UTC vs.
branches/development/src/math/SquareMatrix.hpp (property svn:keywords), Revision 1808 by gezelter, Mon Oct 22 20:42:10 2012 UTC

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