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// Tpetra: Templated Linear Algebra Services Package
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#ifndef TPETRA_MATRIX_IO_DECL
#define TPETRA_MATRIX_IO_DECL
/// \file Tpetra_MatrixIO_decl.hpp
/// \brief Declarations of functions to read a Tpetra::CrsMatrix
/// sparse matrix from a Harwell-Boeing file.
/// \warning DON'T TRUST ANYTHING IN THIS HEADER FILE. It's probably
/// broken for anything other than real unsymmetric Harwell-Boeing
/// files with a very simple format.
#include <Tpetra_CrsMatrix.hpp>
namespace Tpetra {
namespace Utils {
bool parseIfmt (Teuchos::ArrayRCP<char> fmt, int &perline, int &width);
bool parseRfmt (Teuchos::ArrayRCP<char> fmt, int &perline, int &width, int &prec, char &flag);
void readHBInfo (const std::string &filename, int &M, int &N, int &nz, Teuchos::ArrayRCP<char> &Type, int &Nrhs);
void
readHBHeader (std::ifstream &in_file, Teuchos::ArrayRCP<char> &Title,
Teuchos::ArrayRCP<char> &Key, Teuchos::ArrayRCP<char> &Type,
int &Nrow, int &Ncol, int &Nnzero, int &Nrhs,
Teuchos::ArrayRCP<char> &Ptrfmt,
Teuchos::ArrayRCP<char> &Indfmt,
Teuchos::ArrayRCP<char> &Valfmt,
Teuchos::ArrayRCP<char> &Rhsfmt,
int &Ptrcrd, int &Indcrd, int &Valcrd, int &Rhscrd,
Teuchos::ArrayRCP<char> &Rhstype);
void
readHBMatDouble (const std::string &filename, int &M, int &N, int &nonzeros,
std::string &Type, Teuchos::ArrayRCP<int> &colptr,
Teuchos::ArrayRCP<int> &rowind,
Teuchos::ArrayRCP<double> &val);
template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
void
generateMatrix (const Teuchos::RCP<Teuchos::ParameterList>& plist,
const Teuchos::RCP<const Teuchos::Comm<int> > &comm,
const Teuchos::RCP<Node> &node,
Teuchos::RCP<Tpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> >& A);
template<class Scalar, class LocalOrdinal, class GlobalOrdinal, class Node>
void
readHBMatrix (const std::string &filename,
const Teuchos::RCP<const Teuchos::Comm<int> > &comm,
const Teuchos::RCP<Node> &node,
Teuchos::RCP<Tpetra::CrsMatrix<Scalar,LocalOrdinal,GlobalOrdinal,Node> > &A,
Teuchos::RCP<const Tpetra::Map<LocalOrdinal,GlobalOrdinal,Node> > rowMap = Teuchos::null,
const Teuchos::RCP<Teuchos::ParameterList> ¶ms = Teuchos::null);
} // end of Tpetra::Utils namespace
} // end of Tpetra namespace
#endif
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