Smath Namespace Reference

Functions
template<class T >
T	Smax (const T a, const T b, const T k)
	Return the soft max of between two scalars. More...
template NekDouble	Smax (const NekDouble a, const NekDouble b, const NekDouble k)
template int	Smax (const int a, const int b, const int k)

Function Documentation

Smax() [1/3]

template int Smath::Smax	(	const int	a,
		const int	b,
		const int	k
	)

Smax() [2/3]

template NekDouble Smath::Smax	(	const NekDouble	a,
		const NekDouble	b,
		const NekDouble	k
	)

Smax() [3/3]

template<class T >

T Smath::Smax	(	const T	a,
		const T	b,
		const T	k
	)

Return the soft max of between two scalars.

Definition at line 53 of file Smath.hpp.

{
    T maxi = std::max(a, b) * k;
    T mini = std::min(a, b) * k;
    T xmax = (maxi + log(1.0 + exp(mini - maxi))) / k;
    return xmax;
}

References tinysimd::log().

Referenced by Nektar::NavierStokesCFE::GetPhysicalAV().