dune/solvers/iterationsteps/cgstep.cc · 2967163a61d4af47d632c78f625f429a716db55f · agnumpde / dune-solvers

8 years ago

Do not call check() on preconditioners · 50a3647a

Elias Pipping authored 8 years ago

Preconditioners are supposed to be used through the

  setMatrix(M);
  apply(x, b);

interface. The members M, x, and b inherited from LinearIterationStep
will thus not be set upfront, yet if LinearIterationStep::check
was to check for anything, it should be those (pointer!) members.

50a3647a

History

Do not call check() on preconditioners

Elias Pipping authored 8 years ago

Preconditioners are supposed to be used through the

  setMatrix(M);
  apply(x, b);

interface. The members M, x, and b inherited from LinearIterationStep
will thus not be set upfront, yet if LinearIterationStep::check
was to check for anything, it should be those (pointer!) members.

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