A class representing the concept of a GeometricField of 0 used to avoid unnecessary manipulations for objects which are known to be zero at compile-time. More...

#include <geometricZeroField.H>

Inheritance diagram for geometricZeroField:

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Collaboration diagram for geometricZeroField:

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Public Types
typedef zeroField	Internal
typedef zeroField	Patch
typedef zeroFieldField	Boundary
typedef zero	cmptType
Public Types inherited from zero
typedef zero	value_type
	The value type.

Public Member Functions
	geometricZeroField () noexcept=default
	Default construct.
const dimensionSet &	dimensions () const noexcept
zeroField	field () const noexcept
zeroField	oldTime () const noexcept
Internal	internalField () const noexcept
zeroField	primitiveField () const noexcept
Boundary	boundaryField () const noexcept
Internal	v () const noexcept
scalar	operator[] (const label) const noexcept
Internal	operator() () const noexcept
Public Member Functions inherited from zero
constexpr	zero () noexcept
	Default construct.
constexpr	zero (Istream &) noexcept
	Construct from Istream consumes no content.
constexpr	operator bool () const noexcept
	Return false (0) for bool.
constexpr	operator label () const noexcept
	Return 0 for label.
constexpr	operator float () const noexcept
	Return 0 for float.
constexpr	operator double () const noexcept
	Return 0 for double.
zero	operator[] (const label) const noexcept
	Component-wise or element-wise access returns zero.
template<class T>
constexpr zero	operator() (const T &) const noexcept
	Unary functor returns zero.

Additional Inherited Members
Static Public Attributes inherited from zero
static zero	dummy
	A static instance, when modifiable reference is required by an API.

Detailed Description

A class representing the concept of a GeometricField of 0 used to avoid unnecessary manipulations for objects which are known to be zero at compile-time.

Used for example as the density argument to a function written for compressible to be used for incompressible flow.

Definition at line 48 of file geometricZeroField.H.