Intrepid
http://trilinos.sandia.gov/packages/docs/r11.2/packages/intrepid/src/Shared/MiniTensor/Intrepid_MiniTensor_Tensor3.i.h
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00004 //                           Intrepid Package
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00017 // 2. Redistributions in binary form must reproduce the above copyright
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00040 // @HEADER
00041 
00042 #if !defined(Intrepid_MiniTensor_Tensor3_i_h)
00043 #define Intrepid_MiniTensor_Tensor3_i_h
00044 
00045 namespace Intrepid {
00046 
00047   //
00048   // Dimension
00049   // get dimension
00050   //
00051   template<typename T>
00052   inline
00053   Index
00054   Tensor3<T>::get_dimension() const
00055   {
00056     return dimension;
00057   }
00058 
00059   //
00060   // R^N Indexing for constant 3rd order tensor
00061   // \param i index
00062   // \param j index
00063   // \param k index
00064   //
00065   template<typename T>
00066   inline
00067   T const &
00068   Tensor3<T>::operator()(
00069     Index const i,
00070     Index const j,
00071     Index const k) const
00072   {
00073     Index const
00074     N = get_dimension();
00075 
00076     assert(i < N);
00077     assert(j < N);
00078     assert(k < N);
00079 
00080     return e[(i * N + j) * N + k];
00081   }
00082 
00083   //
00084   // R^N 3rd-order tensor indexing
00085   // \param i index
00086   // \param j index
00087   // \param k index
00088   //
00089   template<typename T>
00090   inline
00091   T &
00092   Tensor3<T>::operator()(Index const i, Index const j, Index const k)
00093   {
00094     Index const
00095     N = get_dimension();
00096 
00097     assert(i < N);
00098     assert(j < N);
00099     assert(k < N);
00100 
00101     return e[i * N * N + j * N + k];
00102   }
00103 
00104 } // namespace Intrepid
00105 
00106 #endif // Intrepid_MiniTensor_Tensor3_i_h