Convert ROL interface to use AbstractReducedFunctional #223
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We recover the original behaviour by applying the Riesz map when returning the derivative or Hessian actions.
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We recover the original behaviour by applying the Riesz map when returning the derivative or Hessian actions. Maybe it would be better to provide a
.dual()method on the vector and let ROL decide which representation it wants? Probably also needs a test (e.g. on the Firedrake side)?