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

#include <zeroField.H>

Inheritance diagram for zeroField:

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Collaboration diagram for zeroField:

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Public Member Functions
	zeroField () noexcept=default
	Default construct.
zeroField	field () const noexcept
	Method name compatibility with DimensionedField.
scalar	operator[] (const label) const noexcept
zeroField	operator() () const noexcept
zeroField	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
Public Types inherited from zero
typedef zero	value_type
	The value type.
Static Public Attributes inherited from zero
static zero	dummy
	A static instance, when modifiable reference is required by an API.