Dune::ACFem::NonZeroExpression< ExpressionImpl > Struct Template Reference

Complementary to ZeroExpression for use in std::conditional, for example, otherwise unused. More...

#include <dune/acfem/expressions/expressionoperations.hh>

Collaboration diagram for Dune::ACFem::NonZeroExpression< ExpressionImpl >:

Public Types
typedef ExpressionImpl	ExpressionType
	The type of the underlying expression.

Public Member Functions
const ExpressionType &	expression () const
	Return a const reference to the underlying expression.
ExpressionType &	expression ()
	Return a mutable reference to the underlying expression.
ExpressionType	operator* () const
	Return a copy from of the underlying expression.

Detailed Description

template<class ExpressionImpl>
struct Dune::ACFem::NonZeroExpression< ExpressionImpl >

Complementary to ZeroExpression for use in std::conditional, for example, otherwise unused.

This is not the same as !ZeroExpression, because this struct expresses knowledge that the expression indeed is non zero at run time.

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

• dune/acfem/expressions/expressionoperations.hh