Fix Tests on M1 (lanl-ansi#839)

* add atol to det tests * update changelog
samtalki · Aug 21, 2022 · cbce397 · cbce397
1 parent 09bf3de
commit cbce397
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@ PowerModels.jl Change Log
 =========================
 
 ### Staged
+- Improve linear algebra test robustness (#827)
 - Fix `make_multinetwork` and add test (#823)
 - Fix SDP solution reporting consistency (#833)
 

diff --git a/test/am.jl b/test/am.jl
@@ -42,15 +42,15 @@ end
 
         @test isa(sm, AdmittanceMatrix{Float64})
         @test SparseArrays.nnz(sm.matrix) == 17
-        @test isapprox(LinearAlgebra.det(sm.matrix), 0.0)
+        @test isapprox(LinearAlgebra.det(sm.matrix), 0.0, atol=1e-6)
     end
     @testset "5-bus ext case" begin
         data = PowerModels.parse_file("../test/data/matpower/case5_ext.m")
         sm = calc_susceptance_matrix(data)
 
         @test isa(sm, AdmittanceMatrix{Float64})
         @test SparseArrays.nnz(sm.matrix) == 17
-        @test isapprox(LinearAlgebra.det(sm.matrix), 0.0)
+        @test isapprox(LinearAlgebra.det(sm.matrix), 0.0, atol=1e-6)
     end
     @testset "14-bus pti case" begin
         data = PowerModels.parse_file("../test/data/pti/case14.raw")