From eefa97c5bffd87ebfef3c105b5bcedf061efc718 Mon Sep 17 00:00:00 2001 From: jalving Date: Fri, 1 Nov 2024 21:51:31 -0700 Subject: [PATCH] add separable tests --- test/test_optigraph.jl | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/test/test_optigraph.jl b/test/test_optigraph.jl index e9ac7a6..9f110c7 100644 --- a/test/test_optigraph.jl +++ b/test/test_optigraph.jl @@ -52,6 +52,30 @@ function test_simple_graph() @test MOIU.state(graph) == MOIU.ATTACHED_OPTIMIZER MOIU.drop_optimizer(graph) @test MOIU.state(graph) == MOIU.NO_OPTIMIZER + + # test separable + @test is_separable(objective_function(graph)) + sep_terms = extract_separable_terms(objective_function(graph), graph) + @test sep_terms[nodes[1]][1] == 1 * nodes[1][:x] + @test sep_terms[nodes[2]][1] == 2 * nodes[2][:x] + + @objective(graph, Min, nodes[1][:x]^2 + nodes[2][:x]^2) + @test is_separable(objective_function(graph)) + sep_terms = extract_separable_terms(objective_function(graph), graph) + @test sep_terms[nodes[1]][1] == 1 * nodes[1][:x]^2 + @test sep_terms[nodes[2]][1] == 1 * nodes[2][:x]^2 + + @objective(graph, Min, nodes[1][:x]^3 + nodes[2][:x]^3) + @test is_separable(objective_function(graph)) + sep_terms = extract_separable_terms(objective_function(graph), graph) + @test sep_terms[nodes[1]][1] isa JuMP.GenericNonlinearExpr{NodeVariableRef} + @test sep_terms[nodes[2]][1] isa JuMP.GenericNonlinearExpr{NodeVariableRef} + + @objective(graph, Min, nodes[1][:x]^2 + nodes[2][:x]^2 + nodes[1][:x] * nodes[2][:x]) + @test is_separable(objective_function(graph)) == false + + @objective(graph, Min, nodes[1][:x]^3 * nodes[2][:x]^2) + @test is_separable(objective_function(graph)) == false end function test_direct_moi_graph()