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refactor: format
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AayushSabharwal committed Dec 4, 2024
1 parent 1c30e99 commit 723f561
Showing 1 changed file with 16 additions and 13 deletions.
29 changes: 16 additions & 13 deletions src/initialization.jl
Original file line number Diff line number Diff line change
Expand Up @@ -60,21 +60,24 @@ end

function Base.showerror(io::IO, e::CheckInitFailureError)
print(io,
"DAE initialization failed: your u0 did not satisfy the initialization requirements,
normresid = $(e.normresid) > abstol = $(e.abstol)."
)
"""
DAE initialization failed: your u0 did not satisfy the initialization requirements, \
normresid = $(e.normresid) > abstol = $(e.abstol).
""")

if e.isdae
print(io, " If you wish for the system to
automatically change the algebraic variables to satisfy the algebraic constraints,
please pass `initializealg = BrownBasicInit()` to solve (this option will require
`using OrdinaryDiffEqNonlinearSolve`). If you wish to perform an initialization on the
complete u0, please pass `initializealg = ShampineCollocationInit()` to solve. Note that
initialization can be a very difficult process for DAEs and in many cases can be
numerically intractable without symbolic manipulation of the system. For an automated
system that will generate numerically stable initializations, see ModelingToolkit.jl
structural simplification for more details."
)
print(io,
"""
If you wish for the system to automatically change the algebraic variables to \
satisfy the algebraic constraints, please pass `initializealg = BrownBasicInit()` \
to solve (this option will require `using OrdinaryDiffEqNonlinearSolve`). If you \
wish to perform an initialization on the complete u0, please pass \
`initializealg = ShampineCollocationInit()` to `solve`. Note that initialization \
can be a very difficult process for DAEs and in many cases can be numerically \
intractable without symbolic manipulation of the system. For an automated \
system that will generate numerically stable initializations, see \
ModelingToolkit.jl structural simplification for more details.
""")
end
end

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