10 #ifndef IMPACTX_CONSTF_H 11 #define IMPACTX_CONSTF_H 25 static constexpr
auto name =
"ConstF";
36 ConstF( amrex::ParticleReal
const ds, amrex::ParticleReal
const kx,
37 amrex::ParticleReal
const ky, amrex::ParticleReal
const kt,
54 PType& AMREX_RESTRICT p,
55 amrex::ParticleReal & AMREX_RESTRICT px,
56 amrex::ParticleReal & AMREX_RESTRICT py,
57 amrex::ParticleReal & AMREX_RESTRICT pt,
58 RefPart const & refpart)
const {
60 using namespace amrex::literals;
63 amrex::ParticleReal
const x = p.pos(0);
64 amrex::ParticleReal
const y = p.pos(1);
65 amrex::ParticleReal
const t = p.pos(2);
68 amrex::ParticleReal
const pt_ref = refpart.
pt;
69 amrex::ParticleReal
const betgam2 =
pow(pt_ref, 2) - 1.0_prt;
72 amrex::ParticleReal pxout = px;
73 amrex::ParticleReal pyout = py;
74 amrex::ParticleReal ptout = pt;
77 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
80 p.pos(0) = cos(
m_kx*slice_ds)*x + sin(
m_kx*slice_ds)/
m_kx*px;
81 pxout = -
m_kx*sin(
m_kx*slice_ds)*x + cos(
m_kx*slice_ds)*px;
83 p.pos(1) = cos(
m_ky*slice_ds)*y + sin(
m_ky*slice_ds)/
m_ky*py;
84 pyout = -
m_ky*sin(
m_ky*slice_ds)*y + cos(
m_ky*slice_ds)*py;
86 p.pos(2) = cos(
m_kt*slice_ds)*t + sin(
m_kt*slice_ds)/(betgam2*
m_kt)*pt;
87 ptout = -(
m_kt*betgam2)*sin(
m_kt*slice_ds)*t + cos(
m_kt*slice_ds)*pt;
103 using namespace amrex::literals;
106 amrex::ParticleReal
const x = refpart.x;
107 amrex::ParticleReal
const px = refpart.px;
108 amrex::ParticleReal
const y = refpart.y;
109 amrex::ParticleReal
const py = refpart.py;
110 amrex::ParticleReal
const z = refpart.z;
111 amrex::ParticleReal
const pz = refpart.pz;
112 amrex::ParticleReal
const t = refpart.t;
113 amrex::ParticleReal
const pt = refpart.pt;
114 amrex::ParticleReal
const s = refpart.s;
117 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
120 amrex::ParticleReal
const step = slice_ds /
sqrt(
pow(pt, 2)-1.0_prt);
123 refpart.x = x + step*px;
124 refpart.y = y + step*py;
125 refpart.z = z + step*pz;
126 refpart.t = t - step*pt;
129 refpart.s = s + slice_ds;
148 amrex::ParticleReal
ds ()
const 163 #endif // IMPACTX_CONSTF_H amrex::ParticleReal m_ky
focusing x strength in 1/m
Definition: ConstF.H:156
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(PType &AMREX_RESTRICT p, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py, amrex::ParticleReal &AMREX_RESTRICT pt, RefPart const &refpart) const
Definition: ConstF.H:53
Definition: ImpactX.cpp:31
static constexpr auto name
Definition: ConstF.H:25
int m_nslice
focusing t strength in 1/m
Definition: ConstF.H:158
amrex::ParticleReal pt
energy deviation, normalized by rest energy
Definition: ReferenceParticle.H:39
#define AMREX_FORCE_INLINE
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal ds() const
Definition: ConstF.H:148
#define AMREX_GPU_HOST_DEVICE
ConstF(amrex::ParticleReal const ds, amrex::ParticleReal const kx, amrex::ParticleReal const ky, amrex::ParticleReal const kt, int const nslice)
Definition: ConstF.H:36
amrex::ParticleReal m_kt
focusing y strength in 1/m
Definition: ConstF.H:157
amrex::ParticleReal m_kx
segment length in m
Definition: ConstF.H:155
Particle< NStructReal, NStructInt > ParticleType
Definition: ReferenceParticle.H:29
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > pow(const GpuComplex< T > &a_z, const T &a_y) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE int nslice() const
Definition: ConstF.H:138
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > sqrt(const GpuComplex< T > &a_z) noexcept
amrex::ParticleReal m_ds
Definition: ConstF.H:154