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Integrator added as input in backflow

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This commit is contained in:
Fernando P.Panadero 2024-09-11 14:55:00 +02:00
parent c047ccf33c
commit 6e944cc9d8
1 changed files with 5 additions and 4 deletions
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9
src/Dirac/Diracflow.jl
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@ -41,13 +41,13 @@ flw(U, psi, int::FlowIntr{NI,T}, ns::Int64, gp::GaugeParm, dpar::DiracParam, lp:
"""
function backflow(psi, U, Dt, nsave::Int64, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace)
Performs one step back in flow time for the fermion field, according to 1302.5246. The fermion field must me that of the time-slice Dt and is flowed back to the first time-slice
Performs the integration of the adjoint flow for the fermion field, according to 1302.5246. The fermion field must me that of the time-slice Dt and is flowed back to the first time-slice
nsave is the total number of gauge fields saved in the process
"""
function backflow(psi, U, Dt, maxnsave::Int64, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace)
function backflow(psi, U, Dt, maxnsave::Int64, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm,int::FlowIntr, ymws::YMworkspace, dws::DiracWorkspace)
int = wfl_rk3(Float64,0.01,1.0) # Default integrator, it has to be order 3 rk but in can be zfl
# Default integrator is wfl_rk3(Float64,0.01,1.0), it has to be order 3 rk but in can be zfl
@timeit "Backflow integration" begin
@timeit "GPU to CPU" U0 = Array(U)
@ -98,6 +98,7 @@ function backflow(psi, U, Dt, maxnsave::Int64, gp::GaugeParm, dpar::DiracParam,
return nothing
end
backflow(psi, U, Dt, maxnsave::Int64, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace) = backflow(psi, U, Dt, maxnsave, gp, dpar, lp, wfl_rk3(Float64,0.01,1.0), ymws, dws)
"""
function bflw_step!(U, psi, eps, int::FlowIntr, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace)
@ -321,7 +322,7 @@ export Nablanabla!, flw, backflow, flw_adapt, bflw_step!
"""
function bfl_error(psi_t, psi_0, U, tend, int::FlowIntr, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace)
Estimates the error of the backflow integration of psi_t into psi_0 with a random noise source.
Estimates the error of the backflow integration of `\\psi\\_t` into `\\psi\\_0` with a random noise source.
"""
function bfl_error(psi_t, psi_0, U, tend, int::FlowIntr, gp::GaugeParm, dpar::DiracParam, lp::SpaceParm, ymws::YMworkspace, dws::DiracWorkspace)