zero Class Reference

A class representing the concept of 0 (zero) that can be used to avoid manipulating objects known to be zero at compile-time. It is also used for tagged dispatch. More...

Inheritance diagram for zero:

Classes
class	null

Public Types
typedef zero	value_type

Public Member Functions
constexpr	zero () noexcept
constexpr	zero (Istream &) noexcept
constexpr	operator bool () const noexcept
constexpr	operator label () const noexcept
constexpr	operator float () const noexcept
constexpr	operator double () const noexcept

Detailed Description

A class representing the concept of 0 (zero) that can be used to avoid manipulating objects known to be zero at compile-time. It is also used for tagged dispatch.

Source files

• zero.H
• zero.C
• zeroI.H

See also

Foam::one

Definition at line 58 of file zero.H.

Member Typedef Documentation

value_type

typedef zero value_type

Definition at line 62 of file zero.H.

Constructor & Destructor Documentation

zero() [1/2]

constexpr zero ( )

inlineconstexprnoexcept

Definition at line 68 of file zero.H.

zero() [2/2]

constexpr zero ( Istream &  )

inlineexplicitconstexprnoexcept

Definition at line 71 of file zero.H.

Member Function Documentation

operator bool()

constexpr operator bool ( ) const

inlineconstexprnoexcept

Definition at line 75 of file zero.H.

operator label()

constexpr operator label ( ) const

inlineconstexprnoexcept

Definition at line 81 of file zero.H.

operator float()

constexpr operator float ( ) const

inlineconstexprnoexcept

Definition at line 87 of file zero.H.

operator double()

constexpr operator double ( ) const

inlineconstexprnoexcept

Definition at line 93 of file zero.H.

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

• src/OpenFOAM/primitives/zero/zero.H