empty_precond.hpp
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void prepare(const CRowMatrix &A)
Prepare preconditioner for matrices with non-zero pattern equal to A.
Definition: empty_precond.hpp:74
bool is_prepared(void) const
Return false if prepare is needed.
Definition: empty_precond.hpp:91
void solve(Vector &x, const Vector &b) const
Return x = b.
Definition: empty_precond.hpp:101
Empty_Precond * copy(void) const
Get a new copy of preconditioner.
Definition: empty_precond.hpp:69
std::string typestring(void) const
Return string indicating type of preconditioner.
Definition: empty_precond.hpp:95
void construct(const CRowMatrix &A)
Construct preconditioner for matrix A.
Definition: empty_precond.hpp:78
Base class for preconditioners.