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WIP Polymorphic sparse scheme to solve following use case (#46) #47

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WIP Polymorphic sparse scheme to solve following use case (#46) #47

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Commits on Aug 10, 2020

  1. Polymorphic sparse scheme to solve following use case: 

    * Let us consider a Finite-Element or Finite-Volume code for which we
  have to solve a linear system using different libraries (Hypre, Petsc,
  Trilinos, Mumps, PastiX, ...). We would like to avoid conversions
  between different formats of sparse matrix. As the linear solver
  drives the choice of the sparse matrix format, we would like that the
  matrix the FE code has to fill has directly the format the linear
  solver requires. The choice of the solver is done at runtime, so it
  means that the underlying sparse scheme of the matrix should be
  instanciated at runtime. It implies that the sparse array or sparse
  tensor is a wrapper around a polymorphic sparse scheme. This latter is
  a bridge over an abstract scheme that uses type erasure to handle the
  different format implementation.
    @tkloczko
    tkloczko committed Aug 10, 2020
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