Merge pull request #90 from vpuri3/patch-1

ChrisRackauckas · ChrisRackauckas · commit 885773ba8535 · 2022-01-13T09:40:09.000-05:00
tests
diff --git a/test/basictests.jl b/test/basictests.jl
@@ -225,6 +225,9 @@ end
         P1 = Diagonal(s1)
         P2 = Diagonal(s2)
 
+        @test LinearSolve.ComposePreconditioner(P1,nothing) === P1
+        @test LinearSolve.ComposePreconditioner(nothing,P1) === P1
+
         P  = LinearSolve.ComposePreconditioner(P1,P2)
 
         # ComposePreconditioner
