10 #ifndef IMPACTX_DISTRIBUTION_SEMIGAUSSIAN
11 #define IMPACTX_DISTRIBUTION_SEMIGAUSSIAN
33 Semigaussian(amrex::ParticleReal
const sigx, amrex::ParticleReal
const sigy,
34 amrex::ParticleReal
const sigt,amrex::ParticleReal
const sigpx,
35 amrex::ParticleReal
const sigpy,amrex::ParticleReal
const sigpt,
36 amrex::ParticleReal
const muxpx=0.0, amrex::ParticleReal
const muypy=0.0,
37 amrex::ParticleReal
const mutpt=0.0
56 amrex::ParticleReal & x,
57 amrex::ParticleReal & y,
58 amrex::ParticleReal & t,
59 amrex::ParticleReal & px,
60 amrex::ParticleReal & py,
61 amrex::ParticleReal & pt,
64 using namespace amrex::literals;
66 amrex::ParticleReal ln1,u1,u2;
67 amrex::ParticleReal root,a1,a2;
68 amrex::ParticleReal phi,v,r;
70 constexpr amrex::ParticleReal
pi = 3.14159265358979_prt;
81 t = 2_prt*(t-0.5_prt);
84 amrex::ParticleReal
const c =
sqrt(3.0_prt);
94 px = ln1*cos(2_prt*
pi*u2);
95 py = ln1*sin(2_prt*
pi*u2);
100 pt = ln1*cos(2_prt*
pi*u2);
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
constexpr std::enable_if_t< std::is_floating_point< T >::value, T > pi()
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > log(const GpuComplex< T > &a_z) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > sqrt(const GpuComplex< T > &a_z) noexcept
Definition: Semigaussian.H:22
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(amrex::ParticleReal &x, amrex::ParticleReal &y, amrex::ParticleReal &t, amrex::ParticleReal &px, amrex::ParticleReal &py, amrex::ParticleReal &pt, amrex::RandomEngine const &engine) const
Definition: Semigaussian.H:55
amrex::ParticleReal m_mutpt
Definition: Semigaussian.H:122
amrex::ParticleReal m_sigmaPx
related RMS sizes (length)
Definition: Semigaussian.H:121
amrex::ParticleReal m_sigmaPy
Definition: Semigaussian.H:121
amrex::ParticleReal m_sigmaPt
Definition: Semigaussian.H:121
amrex::ParticleReal m_muypy
Definition: Semigaussian.H:122
amrex::ParticleReal m_sigmaT
Definition: Semigaussian.H:120
amrex::ParticleReal m_sigmaX
Definition: Semigaussian.H:120
amrex::ParticleReal m_sigmaY
Definition: Semigaussian.H:120
Semigaussian(amrex::ParticleReal const sigx, amrex::ParticleReal const sigy, amrex::ParticleReal const sigt, amrex::ParticleReal const sigpx, amrex::ParticleReal const sigpy, amrex::ParticleReal const sigpt, amrex::ParticleReal const muxpx=0.0, amrex::ParticleReal const muypy=0.0, amrex::ParticleReal const mutpt=0.0)
Definition: Semigaussian.H:33
amrex::ParticleReal m_muxpx
RMS momentum.
Definition: Semigaussian.H:122