ERF_SDInitialization.cpp File Reference

#include <cmath>
#include "ERF_SDInitialization.H"

Include dependency graph for ERF_SDInitialization.cpp:

Typedefs
using	MatVec = std::vector< std::unique_ptr< MaterialProperties > >

Functions
AMREX_GPU_HOST_DEVICE static AMREX_FORCE_INLINE amrex::Real	SD_erfinv (const amrex::Real x)

Typedef Documentation

MatVec

using MatVec = std::vector<std::unique_ptr<MaterialProperties> >

Function Documentation

SD_erfinv()

AMREX_GPU_HOST_DEVICE static AMREX_FORCE_INLINE amrex::Real SD_erfinv ( const amrex::Real  x )

static

                                              {
    amrex::Real a = 0.147;
    amrex::Real eps = std::numeric_limits<amrex::Real>::epsilon();
    amrex::Real term = std::log(1 - x * x + eps);
    amrex::Real p1 = 2 / (PI * a) + term / 2.0;
    amrex::Real p2 = term / a;
    return std::sqrt(std::sqrt(p1 * p1 - p2) - p1);
}

Referenced by SDInitProperties::getDistribution().

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