Dune::Amg::FirstDiagonal Class Reference

Norm that uses only the [0][0] entry of the block to determine couplings. More...

#include <dune/istl/paamg/aggregates.hh>

Public Member Functions
FieldTraits< typename M::field_type >::real_type	operator() (const M &m,[[maybe_unused]] typename std::enable_if_t<!Dune::IsNumber< M >::value > *sfinae=nullptr) const
	compute the norm of a matrix. More...
auto	operator() (const M &m, typename std::enable_if_t< Dune::IsNumber< M >::value > *sfinae=nullptr) const
	Compute the norm of a scalar. More...

Detailed Description

Norm that uses only the [0][0] entry of the block to determine couplings.

Member Function Documentation

operator()() [1/2]

auto Dune::Amg::Diagonal< N >::operator() ( const M &  m, typename std::enable_if_t< Dune::IsNumber< M >::value > *  sfinae = nullptr  ) const

inlineinherited

Compute the norm of a scalar.

Parameters

m	The scalar to compute the norm of

operator()() [2/2]

FieldTraits<typename M::field_type>::real_type Dune::Amg::Diagonal< N >::operator() ( const M &  m, [[maybe_unused] ] typename std::enable_if_t<!Dune::IsNumber< M >::value > *  sfinae = nullptr  ) const

inlineinherited

compute the norm of a matrix.

Parameters

m	The matrix to compute the norm of

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The documentation for this class was generated from the following file:

• dune/istl/paamg/aggregates.hh