Skip to content

Showing initialization information for AbstractDEProblem #936

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Feb 19, 2025
Merged

Showing initialization information for AbstractDEProblem #936

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
f4f6995
print initialization status and mass matrix information
vyudu Feb 18, 2025
f14941c
print initialization only if created
vyudu Feb 19, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 20 additions & 0 deletions src/initialization.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -295,3 +295,23 @@ end
function is_trivial_initialization(prob::AbstractSciMLProblem)
is_trivial_initialization(prob.f)
end

@enum DETERMINED_STATUS OVERDETERMINED FULLY_DETERMINED UNDERDETERMINED

function initialization_status(prob::AbstractSciMLProblem)
has_initialization_data(prob.f) || return nothing

sys = prob.f.initialization_data.initializeprob.f.sys
isnothing(sys) && return nothing

neqs = length(equations(sys))
nunknowns = length(unknowns(sys))

if neqs > nunknowns
return OVERDETERMINED
elseif neqs < nunknowns
return UNDERDETERMINED
else
return FULLY_DETERMINED
end
end
11 changes: 8 additions & 3 deletions src/problems/problem_utils.jl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,9 +26,13 @@ function Base.summary(io::IO, prob::AbstractDEProblem)
prob.tspan isa Function ?
"Unknown" : (prob.tspan === nothing ?
"Nothing" : typeof(prob.tspan[1])),
no_color, ". In-place: ",
type_color, isinplace(prob),
no_color)
no_color,
". In-place: ", type_color, isinplace(prob), no_color)
println(io)
print(io, "Initialization status: ", type_color, initialization_status(prob), no_color)
Copy link
Member

@ChrisRackauckas ChrisRackauckas Feb 18, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

O think we only need to print this if the initialization problem is not nothing

Copy link
Member Author

@vyudu vyudu Feb 19, 2025

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Done, any other info I should add?

println(io)
print(io, "Nontrivial mass matrix: ", type_color, !(prob.f.mass_matrix isa LinearAlgebra.UniformScaling{Bool}), no_color)
println(io)
end

function Base.summary(io::IO, prob::AbstractLinearProblem)
Expand Down Expand Up @@ -111,6 +115,7 @@ function Base.show(io::IO, mime::MIME"text/plain", A::AbstractDEProblem)
println(io)
print(io, "u0: ")
show(io, mime, A.u0)

end
function Base.show(io::IO, mime::MIME"text/plain", A::AbstractNoiseProblem)
summary(io, A)
Expand Down
Loading