remove num_elements in showing QobjEvo

Author: ytdHuang

src/qobj/quantum_object_evo.jl

@@ -126,13 +126,9 @@ function Base.show(io::IO, QO::QuantumObjectEvolution)
         ishermitian(op_data),
         "   isconstant=",
         isconstant(op_data),
-        "   num_elements=",
-        _get_SciMLOperator_num_elements(op_data),
     )
     return show(io, MIME("text/plain"), op_data)
 end
-_get_SciMLOperator_num_elements(A::AddedOperator) = length(A.ops)
-_get_SciMLOperator_num_elements(A::AbstractSciMLOperator) = 1
 
 function QuantumObjectEvolution(data::AbstractSciMLOperator, type::QuantumObjectType, dims::Integer)
     return QuantumObjectEvolution(data, type, SVector{1,Int}(dims))

test/core-test/quantum_objects_evo.jl

@@ -105,9 +105,8 @@
         H_size = size(H)
         H_isherm = isherm(H)
         H_isconst = isconstant(H)
-        H_elements = 2
         @test opstring ==
-              "Quantum Object Evo.:   type=Operator   dims=$H_dims   size=$H_size   ishermitian=$H_isherm   isconstant=$H_isconst   num_elements=$H_elements\n$datastring"
+              "Quantum Object Evo.:   type=Operator   dims=$H_dims   size=$H_size   ishermitian=$H_isherm   isconstant=$H_isconst\n$datastring"
 
         L = QobjEvo(spre(a))
         opstring = sprint((t, s) -> show(t, "text/plain", s), L)
@@ -116,9 +115,8 @@
         L_size = size(L)
         L_isherm = isherm(L)
         L_isconst = isconstant(L)
-        H_elements = 1
         @test opstring ==
-              "Quantum Object Evo.:   type=SuperOperator   dims=$L_dims   size=$L_size   ishermitian=$L_isherm   isconstant=$L_isconst   num_elements=$L_elements\n$datastring"
+              "Quantum Object Evo.:   type=SuperOperator   dims=$L_dims   size=$L_size   ishermitian=$L_isherm   isconstant=$L_isconst\n$datastring"
     end
 
     @testset "Type Inference (QuantumObject)" begin