amr_wind::constants Namespace Reference

Functions
AMREX_FORCE_INLINE AMREX_GPU_HOST_DEVICE bool	is_close (const amrex::Real a, const amrex::Real b)
	Closeness comparison.

Variables
static constexpr amrex::Real	SMALL_NUM
	A number close to zero.
static constexpr amrex::Real	EPS
	A number very close to zero.
static constexpr amrex::Real	TIGHT_TOL = 1e-12
	A tight tolerance.
static constexpr amrex::Real	LOOSE_TOL = 1e-8
	A loose tolerance.
static constexpr amrex::Real	LOW_NUM
	A large negative number.
static constexpr amrex::Real	LARGE_NUM
	A large positive number.

Function Documentation

is_close()

AMREX_FORCE_INLINE AMREX_GPU_HOST_DEVICE bool amr_wind::constants::is_close	(	const amrex::Real	a,
		const amrex::Real	b )

Closeness comparison.

Variable Documentation

EPS

amrex::Real amr_wind::constants::EPS

staticconstexpr

Initial value:

=
    static_cast<amrex::Real>(std::numeric_limits<amrex::Real>::epsilon())

A number very close to zero.

LARGE_NUM

amrex::Real amr_wind::constants::LARGE_NUM

staticconstexpr

Initial value:

=
    static_cast<amrex::Real>(std::numeric_limits<amrex::Real>::max() * 1e-10)

A large positive number.

LOOSE_TOL

amrex::Real amr_wind::constants::LOOSE_TOL = 1e-8

staticconstexpr

A loose tolerance.

LOW_NUM

amrex::Real amr_wind::constants::LOW_NUM

staticconstexpr

Initial value:

= static_cast<amrex::Real>(
    std::numeric_limits<amrex::Real>::lowest() * 1e-10)

A large negative number.

SMALL_NUM

amrex::Real amr_wind::constants::SMALL_NUM

staticconstexpr

Initial value:

= static_cast<amrex::Real>(
    std::numeric_limits<amrex::Real>::epsilon() * 1e10)

A number close to zero.

TIGHT_TOL

amrex::Real amr_wind::constants::TIGHT_TOL = 1e-12

staticconstexpr

A tight tolerance.