ROL
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Functions | |
template<class Real > | |
void | trisolve (ROL::Ptr< Teuchos::LAPACK< int, Real > > lapack, const std::vector< Real > &a, const std::vector< Real > &b, const std::vector< Real > &c, const std::vector< Real > &r, std::vector< Real > &x) |
Solve a tridiagonal system. More... | |
template<class Real > | |
void | lusolve (ROL::Ptr< Teuchos::LAPACK< int, Real > > lapack, const std::vector< Real > &A, const std::vector< Real > &B, std::vector< Real > &X) |
template<class Real > | |
void | cholsolve (ROL::Ptr< Teuchos::LAPACK< int, Real > > lapack, const std::vector< Real > &A, const std::vector< Real > &B, std::vector< Real > &X) |
void trisolve | ( | ROL::Ptr< Teuchos::LAPACK< int, Real > > | lapack, |
const std::vector< Real > & | a, | ||
const std::vector< Real > & | b, | ||
const std::vector< Real > & | c, | ||
const std::vector< Real > & | r, | ||
std::vector< Real > & | x | ||
) |
Solve a tridiagonal system.
[in] | lapack | pointer to LAPACK interface |
[in] | a | subdiagonal band ( length N-1 ) |
[in] | b | diagonal band ( length N ) |
[in] | c | superidiagonal band ( length N-1 ) |
[in] | r | right-hand-side ( length N ) |
[out] | x | solution vector ( length N ) |
Definition at line 24 of file LinearAlgebra.hpp.
Referenced by rec_lobatto().
void lusolve | ( | ROL::Ptr< Teuchos::LAPACK< int, Real > > | lapack, |
const std::vector< Real > & | A, | ||
const std::vector< Real > & | B, | ||
std::vector< Real > & | X | ||
) |
Solve a general system AX=B, with optional multiple (M) right-hand-sides using the LU factorization
[in] | lapack | pointer to LAPACK interface |
[in] | A | vector of column-stacked LHS matrix elements ( length N*N ) |
[in] | B | vector of column-stacked RHS matrix elements ( length N*M ) |
[in] | X | vector of column-stacked solution matrix elements ( length N*M ) |
Definition at line 59 of file LinearAlgebra.hpp.
void cholsolve | ( | ROL::Ptr< Teuchos::LAPACK< int, Real > > | lapack, |
const std::vector< Real > & | A, | ||
const std::vector< Real > & | B, | ||
std::vector< Real > & | X | ||
) |
Solve a general system AX=B, with optional multiple (M) right-hand-sides using the Cholesky factorization
[in] | lapack | pointer to LAPACK interface |
[in] | A | vector of column-stacked LHS matrix elements ( length N*N ) |
[in] | B | vector of column-stacked RHS matrix elements ( length N*M ) |
[in] | X | vector of column-stacked solution matrix elements ( length N*M ) |
Definition at line 90 of file LinearAlgebra.hpp.