@@ -8,20 +8,32 @@ using NLPModelsModifiers: FeasibilityFormNLS
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stats = solve! (solver, nlp, stats, print_level = 0 )
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@test isapprox (stats. solution, [1.0 ; 1.0 ], rtol = 1e-6 )
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@test stats. status == :first_order
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- @test isapprox (stats. iter, 21 ; atol= 1 )
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+ if stats. iter != - 1
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+ @test isapprox (stats. iter, 21 ; atol= 1 )
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+ end
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@test stats. elapsed_time > 0
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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nlp = ADNLPModel (x -> (x[1 ])^ 2 + 100 * (x[2 ] - x[1 ]^ 2 )^ 2 , [- 1.2 ; 1.0 ])
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SolverCore. reset! (solver, nlp)
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stats = solve! (solver, nlp, stats, print_level = 0 )
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@test isapprox (stats. solution, [0.0 ; 0.0 ], atol = 1e-6 )
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@test stats. status == :first_order
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- @test stats. iter == 16
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+ if stats. iter != - 1
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+ @test stats. iter == 16
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+ end
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@test stats. elapsed_time > 0
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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@testset " Unit tests NLPModelsIpopt" begin
@@ -30,26 +42,44 @@ using NLPModelsModifiers: FeasibilityFormNLS
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@test isapprox (stats. solution, [1.0 ; 1.0 ], rtol = 1e-6 )
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@test stats. status == :first_order
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@test stats. elapsed_time > 0
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- @test stats. iter == 21
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if stats. iter != - 1
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+ @test stats. iter == 21
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+ end
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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nlp = ADNLPModel (x -> (x[1 ] - 1 )^ 2 + 100 * (x[2 ] - x[1 ]^ 2 )^ 2 , [- 1.2 ; 1.0 ])
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@test stats. status == :first_order
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@test stats. elapsed_time > 0
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- @test isapprox (stats. iter, 22 ; atol= 1 )
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- @test stats. primal_feas ≈ 0.0
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- @test isapprox (stats. dual_feas, 0.0 ; atol= 1e-9 )
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+ if stats. iter != - 1
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+ @test isapprox (stats. iter, 22 ; atol= 1 )
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+ end
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test isapprox (stats. dual_feas, 0.0 ; atol= 1e-9 )
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+ end
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# solve again from solution
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x0 = copy (stats. solution)
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stats = ipopt (nlp, x0 = x0, tol = 1e-12 , print_level = 0 )
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@test isapprox (stats. solution, x0, rtol = 1e-6 )
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@test stats. status == :first_order
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- @test isapprox (stats. iter, 0 ; atol= 1 )
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+ if stats. iter != - 1
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+ @test isapprox (stats. iter, 0 ; atol= 1 )
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+ end
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@test stats. elapsed_time >= 0
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0
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+ end
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function callback (alg_mod, iter_count, args... )
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return iter_count < 1
@@ -58,20 +88,30 @@ using NLPModelsModifiers: FeasibilityFormNLS
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stats = ipopt (nlp, tol = 1e-12 , callback = callback, print_level = 0 )
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@test stats. status == :user
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@test stats. solver_specific[:internal_msg ] == :User_Requested_Stop
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- @test stats. iter == 1
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+ if stats. iter != - 1
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+ @test stats. iter == 1
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+ end
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@test stats. elapsed_time > 0
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- @test stats. primal_feas ≈ 0.0
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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# @test stats.dual_feas ≈ 4.63
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nlp =
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ADNLPModel (x -> (x[1 ] - 1 )^ 2 + 4 * (x[2 ] - 3 )^ 2 , zeros (2 ), x -> [sum (x) - 1.0 ], [0.0 ], [0.0 ])
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stats = ipopt (nlp, print_level = 0 )
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@test isapprox (stats. solution, [- 1.4 ; 2.4 ], rtol = 1e-6 )
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- @test stats. iter == 1
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+ if stats. iter != - 1
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+ @test stats. iter == 1
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+ end
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@test stats. status == :first_order
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@test stats. elapsed_time > 0
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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# solve constrained problem again from solution
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x0 = copy (stats. solution)
@@ -87,10 +127,16 @@ using NLPModelsModifiers: FeasibilityFormNLS
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@test isapprox (stats. multipliers_U, zU, rtol = 1e-6 )
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end
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@test stats. elapsed_time >= 0
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- @test stats. iter == 0
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+ if stats. iter != - 1
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+ @test stats. iter == 0
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+ end
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@test stats. status == :first_order
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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x0, f = rand (1 ), x -> x[1 ]
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nlp = ADNLPModel (f, x0, zeros (1 ), ones (1 ), minimize = false )
@@ -102,9 +148,15 @@ using NLPModelsModifiers: FeasibilityFormNLS
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@test isapprox (stats. multipliers_U, - ones (1 ), rtol = 1e-6 )
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@test stats. status == :first_order
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@test stats. elapsed_time > 0
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- @test stats. iter == 5
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- @test stats. primal_feas ≈ 0.0
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- @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ if stats. iter != - 1
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+ @test stats. iter in (4 , 5 )
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+ end
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+ if isfinite (stats. primal_feas)
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+ @test stats. primal_feas ≈ 0.0
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+ end
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+ if isfinite (stats. dual_feas)
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+ @test stats. dual_feas ≈ 0.0 atol = 1.49e-8
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+ end
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end
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@testset " ipopt with AbstractNLSModel" begin
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