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added check_error to atsit5 #53

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added check_error to atsit5 #53

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20 changes: 20 additions & 0 deletions src/tsit5/atsit5.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -681,3 +681,23 @@ end
@inline function DiffEqBase.set_t!(integrator::SimpleATsit5Integrator, t::Real)
reinit!(integrator; t0 = t)
end

#######################################################################################
# chech_error
#######################################################################################

function check_error(integrator::SimpleATsit5Integrator)
# This implementation is intended to be used for SimpleDiffEq.SimpleATsit5Integrator
if isnan(integrator.dt)
@warn("NaN dt detected. Likely a NaN value in the state, parameters, or derivative value caused this outcome.")
return :DtNaN
end

if DiffEqBase.ODE_DEFAULT_UNSTABLE_CHECK(integrator.dt, integrator.u, integrator.p, integrator.t)
@warn("Instability detected. Aborting")
return :Unstable
end

return :Success
end