Shell matrix that is given by a tensor of two vectors, i.e. A = v*w^T.
Author:
Tim Kroeger, 2008
Definition at line 41 of file tensor_shell_matrix.h.
Member Typedef Documentation
typedef std::map<std::string, std::pair<unsigned int, unsigned int> > ReferenceCounter::Counts [protected, inherited]Data structure to log the information. The log is identified by the class name.
Definition at line 105 of file reference_counter.h.
Constructor & Destructor Documentation
template<typename T > TensorShellMatrix< T >::TensorShellMatrix (const NumericVector< T > &v, const NumericVector< T > &w) [inline]Constructor; takes references to the two vectors as arguments. The vectors themselves have to be stored elsewhere.
Definition at line 105 of file tensor_shell_matrix.h.
:
ShellMatrix<T>(),
_v(v),
_w(w)
{}
template<typename T > TensorShellMatrix< T >::~TensorShellMatrix () [inline, virtual]Destructor.
Definition at line 116 of file tensor_shell_matrix.h.
{}
Member Function Documentation
template<typename T > void TensorShellMatrix< T >::get_diagonal (NumericVector< T > &dest) const [virtual]Copies the diagonal part of the matrix into dest.
Implements ShellMatrix< T >.
Definition at line 45 of file tensor_shell_matrix.C.
References NumericVector< T >::pointwise_mult().
{
dest.pointwise_mult(_v,_w);
}
std::string ReferenceCounter::get_info () [static, inherited]Gets a string containing the reference information.
Definition at line 45 of file reference_counter.C.
References ReferenceCounter::_counts, and Quality::name().
Referenced by ReferenceCounter::print_info().
{
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)
std::ostringstream out;
out << '
<< ' ----------------------------------------------------------------------------
<< '| Reference count information |
<< ' ---------------------------------------------------------------------------- ;
for (Counts::iterator it = _counts.begin();
it != _counts.end(); ++it)
{
const std::string name(it->first);
const unsigned int creations = it->second.first;
const unsigned int destructions = it->second.second;
out << '| ' << name << ' reference count information:
<< '| Creations: ' << creations << '
<< '| Destructions: ' << destructions << ';
}
out << ' ---------------------------------------------------------------------------- ;
return out.str();
#else
return '';
#endif
}
void ReferenceCounter::increment_constructor_count (const std::string &name) [inline, protected, inherited]Increments the construction counter. Should be called in the constructor of any derived class that will be reference counted.
Definition at line 149 of file reference_counter.h.
References ReferenceCounter::_counts, Quality::name(), and Threads::spin_mtx.
Referenced by ReferenceCountedObject< Value >::ReferenceCountedObject().
void ReferenceCounter::increment_destructor_count (const std::string &name) [inline, protected, inherited]Increments the destruction counter. Should be called in the destructor of any derived class that will be reference counted.
Definition at line 167 of file reference_counter.h.
References ReferenceCounter::_counts, Quality::name(), and Threads::spin_mtx.
Referenced by ReferenceCountedObject< Value >::~ReferenceCountedObject().
template<typename T > unsigned int TensorShellMatrix< T >::m () const [inline, virtual]Returns:
m, the row-dimension of the matrix where the marix is $ M imes N $.
Implements ShellMatrix< T >.
Definition at line 123 of file tensor_shell_matrix.h.
{
return _v.size();
}
template<typename T > unsigned int TensorShellMatrix< T >::n () const [inline, virtual]Returns:
n, the column-dimension of the matrix where the marix is $ M imes N $.
Implements ShellMatrix< T >.
Definition at line 132 of file tensor_shell_matrix.h.
{
return _w.size();
}
static unsigned int ReferenceCounter::n_objects () [inline, static, inherited]Prints the number of outstanding (created, but not yet destroyed) objects.
Definition at line 76 of file reference_counter.h.
References ReferenceCounter::_n_objects.
Referenced by System::read_serialized_blocked_dof_objects(), and System::write_serialized_blocked_dof_objects().
{ return _n_objects; }
void ReferenceCounter::print_info () [static, inherited]Prints the reference information to std::cout.
Definition at line 83 of file reference_counter.C.
template<typename T > void TensorShellMatrix< T >::vector_mult (NumericVector< T > &dest, const NumericVector< T > &arg) const [virtual]Multiplies the matrix with arg and stores the result in dest.
Implements ShellMatrix< T >.
Definition at line 26 of file tensor_shell_matrix.C.
References NumericVector< T >::scale().
{
dest = _v;
dest.scale(_w.dot(arg));
}
template<typename T > void TensorShellMatrix< T >::vector_mult_add (NumericVector< T > &dest, const NumericVector< T > &arg) const [virtual]Multiplies the matrix with arg and adds the result to dest.
Implements ShellMatrix< T >.
Definition at line 36 of file tensor_shell_matrix.C.
References NumericVector< T >::add().
{
dest.add(_w.dot(arg),_v);
}
Member Data Documentation
ReferenceCounter::CountsReferenceCounter::_counts [static, protected, inherited]Actually holds the data.
Definition at line 110 of file reference_counter.h.
Referenced by ReferenceCounter::get_info(), ReferenceCounter::increment_constructor_count(), and ReferenceCounter::increment_destructor_count().
Definition at line 123 of file reference_counter.h.
Threads::atomic< unsigned int > ReferenceCounter::_n_objects [static, protected, inherited]The number of objects. Print the reference count information when the number returns to 0.
Definition at line 118 of file reference_counter.h.
Referenced by ReferenceCounter::n_objects(), ReferenceCounter::ReferenceCounter(), and ReferenceCounter::~ReferenceCounter().
template<typename T > const NumericVector<T>& TensorShellMatrix< T >::_v [protected]The column vector.
Definition at line 90 of file tensor_shell_matrix.h.
template<typename T > const NumericVector<T>& TensorShellMatrix< T >::_w [protected]The row vector.
Definition at line 95 of file tensor_shell_matrix.h.
Author
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