Thyra Version of the Day
Thyra_TpetraThyraWrappers.cpp
00001 /*
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00005 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
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00042 */
00043 
00044 //#include "Thyra_TpetraThyraWrappers.hpp"
00045 #include "Thyra_TpetraThyraWrappers_decl.hpp"
00046 
00047 
00048 #include "Teuchos_DefaultSerialComm.hpp"
00049 #ifdef HAVE_MPI
00050 #  include "Teuchos_DefaultMpiComm.hpp"
00051 #endif
00052 
00053 
00054 Teuchos::RCP<const Teuchos::Comm<Thyra::Ordinal> >
00055 Thyra::convertTpetraToThyraComm(const RCP<const Teuchos::Comm<int> > &tpetraComm)
00056 {
00057 
00058   using Teuchos::rcp_dynamic_cast;
00059 
00060 #ifdef HAVE_MPI
00061   const RCP<const Teuchos::MpiComm<int> > tpetraMpiComm = 
00062     rcp_dynamic_cast<const Teuchos::MpiComm<int> >(tpetraComm);
00063   if (nonnull(tpetraMpiComm)) {
00064     return Teuchos::createMpiComm<Ordinal>(tpetraMpiComm->getRawMpiComm());
00065   }
00066 #endif // HAVE_MPI
00067 
00068   // Assert conversion to Teuchos::SerialComm as a last resort (or throw)
00069   rcp_dynamic_cast<const Teuchos::SerialComm<int> >(tpetraComm, true);
00070    return Teuchos::createSerialComm<Ordinal>();
00071 
00072   // NOTE: Above will throw if the type is not Teuchos::SerialComm.  In this
00073   // case, the type could not be converted.  We need to either get rid of the
00074   // Ordinal templating on Comm or we need to use the same ordinal type for
00075   // Tpetra and Thyra so this conversion function goes away!
00076 
00077 }
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