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import AbstractController from OrdinaryDiffEq.jl #522

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import AbstractController from OrdinaryDiffEq.jl #522

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2 changes: 1 addition & 1 deletion src/StochasticDiffEq.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@ using DocStringExtensions
beta2_default, beta1_default, gamma_default,
qmin_default, qmax_default, qsteady_min_default, qsteady_max_default,
stepsize_controller!, accept_step_controller, step_accept_controller!,
step_reject_controller!, PIController, DummyController
step_reject_controller!, PIController, DummyController, AbstractController

using UnPack, RecursiveArrayTools, DataStructures
using DiffEqNoiseProcess, Random, ArrayInterface
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5 changes: 5 additions & 0 deletions src/integrators/stepsize_controllers.jl
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Expand Up @@ -3,18 +3,22 @@ function stepsize_controller!(integrator::SDEIntegrator, controller::PIControlle
integrator.q11 = DiffEqBase.value(DiffEqBase.fastpow(integrator.EEst,controller.beta1))
integrator.q = DiffEqBase.value(integrator.q11/DiffEqBase.fastpow(integrator.qold,controller.beta2))
@fastmath integrator.q = DiffEqBase.value(max(inv(integrator.opts.qmax),min(inv(integrator.opts.qmin),integrator.q/integrator.opts.gamma)))
nothing
end

@inline function step_accept_controller!(integrator::SDEIntegrator, alg)
step_accept_controller!(integrator, integrator.opts.controller, alg)
nothing
end

function step_accept_controller!(integrator::SDEIntegrator, controller::PIController, alg)
integrator.dtnew = DiffEqBase.value(integrator.dt/integrator.q) * oneunit(integrator.dt)
nothing
end

function step_reject_controller!(integrator::SDEIntegrator, controller::PIController, alg)
integrator.dtnew = integrator.dt/min(inv(integrator.opts.qmin),integrator.q11/integrator.opts.gamma)
nothing
end


Expand All @@ -29,6 +33,7 @@ end

function step_reject_controller!(integrator::SDEIntegrator, alg::TauLeaping)
integrator.dt = integrator.opts.gamma * integrator.dt / integrator.EEst
nothing
end


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