text: void GPUSparseMatrix<ElemType>::TensorShuffleScaleAndAdd(ElemType keepWeight, const GPUSparseMatrix<ElemType>& a, size_t D, size_t S, size_t M, size_t K, size_t T, ElemType scaleFactor, const GPUSparseMatrix<ElemType>& b, GPUSparseMatrix<ElemType>& c)
  