@@ -578,11 +578,6 @@ obsfn = ModelingToolkit.build_explicit_observed_function(
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outersys, bar (3 outersys. sys. ms, 3 outersys. sys. p))
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@test_nowarn obsfn (sol. u[1 ], prob. p, sol. t[1 ])
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- @testset " Observed Function: Expression" begin
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- obsfn_expr = ModelingToolkit. build_explicit_observed_function (
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- outersys, bar (3 outersys. sys. ms, 3 outersys. sys. p), expression = true )
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- @test obsfn_expr isa Expr
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- end
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# x/x
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@variables x (t)
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@named sys = ODESystem ([D (x) ~ x / x], t)
@@ -1230,13 +1225,6 @@ end
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buffer = zeros (3 )
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@test_nowarn obsfn (buffer, [1.0 ], ps, 3.0 )
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@test buffer ≈ [2.0 , 3.0 , 4.0 ]
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-
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- @testset " Observed Function: Expression" begin
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- obsfn_expr_oop, obsfn_expr_iip = ModelingToolkit. build_explicit_observed_function (
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- sys, [x + 1 , x + P, x + t], return_inplace = true , expression = true )
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- @test obsfn_expr_oop isa Expr
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- @test obsfn_expr_iip isa Expr
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- end
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end
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# https://github.com/SciML/ModelingToolkit.jl/issues/2818
@@ -1736,3 +1724,15 @@ end
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@mtkbuild ode = ODESystem (D (x (t)) ~ mat * x (t), t; constraints = cons)
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@test length (constraints (ModelingToolkit. get_constraintsystem (ode))) == 5
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end
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+
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+ @testset " `build_explicit_observed_function` with `expression = true` returns `Expr`" begin
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+ @variables x (t)
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+ @mtkbuild sys = ODESystem (D (x) ~ 2 x, t)
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+ obsfn_expr = ModelingToolkit. build_explicit_observed_function (
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+ sys, 2 x + 1 , expression = true )
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+ @test obsfn_expr isa Expr
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+ obsfn_expr_oop, obsfn_expr_iip = ModelingToolkit. build_explicit_observed_function (
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+ sys, [x + 1 , x + 2 , x + t], return_inplace = true , expression = true )
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+ @test obsfn_expr_oop isa Expr
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+ @test obsfn_expr_iip isa Expr
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+ end
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