latticegpu.jl/src/YM/YM.jl
Alberto Ramos 09a09153b9 Working multi-precision simulations
The pure gauge theory with groups SU(2) and SU(3) is working
properly.
2021-09-20 18:21:16 +02:00

72 lines
1.6 KiB
Julia

###
### "THE BEER-WARE LICENSE":
### Alberto Ramos wrote this file. As long as you retain this
### notice you can do whatever you want with this stuff. If we meet some
### day, and you think this stuff is worth it, you can buy me a beer in
### return. <alberto.ramos@cern.ch>
###
### file: YM.jl
### created: Mon Jul 12 16:23:51 2021
###
module YM
using CUDA, Random, StructArrays
using ..Space
using ..Groups
struct GaugeParm{T}
beta::T
cG::NTuple{2,T}
ng::Int64
end
export GaugeParm
struct YMworkspace{T}
GRP
ALG
PRC
frc1
frc2
mom
U1
cm # complex of volume
rm # float of volume
function YMworkspace(::Type{G}, ::Type{T}, lp::SpaceParm) where {G <: Group, T <: AbstractFloat}
if (G == SU2)
GRP = SU2
ALG = SU2alg
f1 = field(SU2alg, T, lp)
f2 = field(SU2alg, T, lp)
mm = field(SU2alg, T, lp)
u1 = field(SU2, T, lp)
end
if (G == SU3)
GRP = SU3
ALG = SU3alg
f1 = field(SU3alg, T, lp)
f2 = field(SU3alg, T, lp)
mm = field(SU3alg, T, lp)
u1 = field(SU3, T, lp)
end
cs = CuArray{Complex{T}, 2}(undef, lp.bsz,lp.rsz)
rs = CuArray{T, 2}(undef, lp.bsz,lp.rsz)
return new{T}(GRP,ALG,T,f1, f2, mm, u1, cs, rs)
end
end
export YMworkspace
include("YMfields.jl")
export field, field_pln, randomize!, zero!, norm2
include("YMact.jl")
export krnl_plaq!, force0_wilson!
include("YMhmc.jl")
export gauge_action, hamiltonian, plaquette, HMC!, OMF4!
end