Change show methods

Author: albertomercurio

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -22,7 +22,7 @@ body:
     attributes:
       label: Code Output
       description: Please paste the relevant output here (automatically formatted)
-      placeholder: "Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true\n2×2 Diagonal{ComplexF64, Vector{ComplexF64}}:\n 1.0+0.0im      ⋅    \n     ⋅      1.0+0.0im"
+      placeholder: "Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true\n2×2 Diagonal{ComplexF64, Vector{ComplexF64}}:\n 1.0+0.0im      ⋅    \n     ⋅      1.0+0.0im"
       render: shell
   - type: textarea
     id: expected-behaviour

docs/src/users_guide/extensions/cuda.md

@@ -36,7 +36,7 @@ V = fock(2, 0) # CPU dense vector
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element Vector{ComplexF64}:
  1.0 + 0.0im
  0.0 + 0.0im
@@ -47,7 +47,7 @@ cu(V)
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element CuArray{ComplexF64, 1, CUDA.DeviceMemory}:
  1.0 + 0.0im
  0.0 + 0.0im
@@ -58,7 +58,7 @@ cu(V; word_size = 32)
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element CuArray{ComplexF32, 1, CUDA.DeviceMemory}:
  1.0 + 0.0im
  0.0 + 0.0im
@@ -69,7 +69,7 @@ M = Qobj([1 2; 3 4]) # CPU dense matrix
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=false
 2×2 Matrix{Int64}:
  1  2
  3  4
@@ -80,7 +80,7 @@ cu(M)
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=false
 2×2 CuArray{Int64, 2, CUDA.DeviceMemory}:
  1  2
  3  4
@@ -91,7 +91,7 @@ cu(M; word_size = 32)
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=false
 2×2 CuArray{Int32, 2, CUDA.DeviceMemory}:
  1  2
  3  4
@@ -104,7 +104,7 @@ V = fock(2, 0; sparse=true) # CPU sparse vector
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element SparseVector{ComplexF64, Int64} with 1 stored entry:
   [1]  =  1.0+0.0im
 ```
@@ -114,7 +114,7 @@ cu(V)
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element CuSparseVector{ComplexF64, Int32} with 1 stored entry:
   [1]  =  1.0+0.0im
 ```
@@ -124,7 +124,7 @@ cu(V; word_size = 32)
 ```
 
 ```
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element CuSparseVector{ComplexF32, Int32} with 1 stored entry:
   [1]  =  1.0+0.0im
 ```
@@ -134,7 +134,7 @@ M = sigmax() # CPU sparse matrix
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 SparseMatrixCSC{ComplexF64, Int64} with 2 stored entries:
      ⋅      1.0+0.0im
  1.0+0.0im      ⋅    
@@ -145,7 +145,7 @@ cu(M)
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 CuSparseMatrixCSC{ComplexF64, Int32} with 2 stored entries:
      ⋅      1.0+0.0im
  1.0+0.0im      ⋅    
@@ -156,7 +156,7 @@ cu(M; word_size = 32)
 ```
 
 ```
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 CuSparseMatrixCSC{ComplexF32, Int32} with 2 stored entries:
      ⋅      1.0+0.0im
  1.0+0.0im      ⋅    

src/entropy.jl

@@ -22,7 +22,7 @@ Pure state:
 ```jldoctest
 julia> ψ = fock(2,0)
 
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element Vector{ComplexF64}:
  1.0 + 0.0im
  0.0 + 0.0im
@@ -35,7 +35,7 @@ Mixed state:
 ```jldoctest
 julia> ρ = maximally_mixed_dm(2)
 
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 Diagonal{ComplexF64, Vector{ComplexF64}}:
  0.5-0.0im      ⋅    
      ⋅      0.5-0.0im

src/negativity.jl

@@ -20,7 +20,7 @@ and ``\Vert \hat{X} \Vert_1=\textrm{Tr}\sqrt{\hat{X}^\dagger \hat{X}}`` is the t
 ```jldoctest
 julia> Ψ = bell_state(0, 0)
 
-Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
+Quantum Object:   type=Ket()   dims=[2, 2]   size=(4,)
 4-element Vector{ComplexF64}:
  0.7071067811865475 + 0.0im
                 0.0 + 0.0im
@@ -29,7 +29,7 @@ Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
 
 julia> ρ = ket2dm(Ψ)
 
-Quantum Object:   type=Operator   dims=[2, 2]   size=(4, 4)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2, 2]   size=(4, 4)   ishermitian=true
 4×4 Matrix{ComplexF64}:
  0.5+0.0im  0.0+0.0im  0.0+0.0im  0.5+0.0im
  0.0+0.0im  0.0+0.0im  0.0+0.0im  0.0+0.0im

src/qobj/arithmetic_and_attributes.jl

@@ -241,7 +241,7 @@ Note that this function only supports for [`Operator`](@ref) and [`SuperOperator
 ```jldoctest
 julia> a = destroy(20)
 
-Quantum Object:   type=Operator   dims=[20]   size=(20, 20)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[20]   size=(20, 20)   ishermitian=false
 20×20 SparseMatrixCSC{ComplexF64, Int64} with 19 stored entries:
 ⎡⠈⠢⡀⠀⠀⠀⠀⠀⠀⠀⎤
 ⎢⠀⠀⠈⠢⡀⠀⠀⠀⠀⠀⎥
@@ -278,7 +278,7 @@ Return the standard vector `p`-norm or [Schatten](https://en.wikipedia.org/wiki/
 ```jldoctest
 julia> ψ = fock(10, 2)
 
-Quantum Object:   type=Ket   dims=[10]   size=(10,)
+Quantum Object:   type=Ket()   dims=[10]   size=(10,)
 10-element Vector{ComplexF64}:
  0.0 + 0.0im
  0.0 + 0.0im
@@ -470,7 +470,7 @@ Two qubits in the state ``\ket{\psi} = \ket{e,g}``:
 ```jldoctest
 julia> ψ = kron(fock(2,0), fock(2,1))
 
-Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
+Quantum Object:   type=Ket()   dims=[2, 2]   size=(4,)
 4-element Vector{ComplexF64}:
  0.0 + 0.0im
  1.0 + 0.0im
@@ -479,7 +479,7 @@ Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
 
 julia> ptrace(ψ, 2)
 
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 Matrix{ComplexF64}:
  0.0+0.0im  0.0+0.0im
  0.0+0.0im  1.0+0.0im
@@ -489,7 +489,7 @@ or in an entangled state ``\ket{\psi} = \frac{1}{\sqrt{2}} \left( \ket{e,e} + \k
 ```jldoctest
 julia> ψ = 1 / √2 * (kron(fock(2,0), fock(2,0)) + kron(fock(2,1), fock(2,1)))
 
-Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
+Quantum Object:   type=Ket()   dims=[2, 2]   size=(4,)
 4-element Vector{ComplexF64}:
  0.7071067811865475 + 0.0im
                 0.0 + 0.0im
@@ -498,7 +498,7 @@ Quantum Object:   type=Ket   dims=[2, 2]   size=(4,)
 
 julia> ptrace(ψ, 1)
 
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 Matrix{ComplexF64}:
  0.5+0.0im  0.0+0.0im
  0.0+0.0im  0.5+0.0im

src/qobj/boolean_functions.jl

@@ -56,7 +56,7 @@ isoperket(A) = false # default case
 Checks if the [`AbstractQuantumObject`](@ref) `A` is a [`SuperOperator`](@ref). Default case returns `false` for any other inputs.
 """
 issuper(A::AbstractQuantumObject) = issuper(typeof(A))
-issuper(::Type{<:AbstractQuantumObject{SuperOperator,N}}) where {N} = true
+issuper(::Type{<:AbstractQuantumObject{<:SuperOperatorType,N}}) where {N} = true
 issuper(A) = false # default case
 
 @doc raw"""

src/qobj/eigsolve.jl

@@ -47,12 +47,12 @@ julia> λ
 julia> ψ
 2-element Vector{QuantumObject{Ket, Dimensions{1, Tuple{Space}}, Vector{ComplexF64}}}:
 
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element Vector{ComplexF64}:
  -0.7071067811865475 + 0.0im
   0.7071067811865475 + 0.0im
 
-Quantum Object:   type=Ket   dims=[2]   size=(2,)
+Quantum Object:   type=Ket()   dims=[2]   size=(2,)
 2-element Vector{ComplexF64}:
  0.7071067811865475 + 0.0im
  0.7071067811865475 + 0.0im

src/qobj/functions.jl

@@ -169,7 +169,7 @@ Returns the [Kronecker product](https://en.wikipedia.org/wiki/Kronecker_product)
 ```jldoctest
 julia> a = destroy(20)
 
-Quantum Object:   type=Operator   dims=[20]   size=(20, 20)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[20]   size=(20, 20)   ishermitian=false
 20×20 SparseMatrixCSC{ComplexF64, Int64} with 19 stored entries:
 ⎡⠈⠢⡀⠀⠀⠀⠀⠀⠀⠀⎤
 ⎢⠀⠀⠈⠢⡀⠀⠀⠀⠀⠀⎥

src/qobj/operators.jl

@@ -87,7 +87,7 @@ This operator acts on a fock state as ``\hat{a} \ket{n} = \sqrt{n} \ket{n-1}``.
 ```jldoctest
 julia> a = destroy(20)
 
-Quantum Object:   type=Operator   dims=[20]   size=(20, 20)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[20]   size=(20, 20)   ishermitian=false
 20×20 SparseMatrixCSC{ComplexF64, Int64} with 19 stored entries:
 ⎡⠈⠢⡀⠀⠀⠀⠀⠀⠀⠀⎤
 ⎢⠀⠀⠈⠢⡀⠀⠀⠀⠀⠀⎥
@@ -113,7 +113,7 @@ This operator acts on a fock state as ``\hat{a}^\dagger \ket{n} = \sqrt{n+1} \ke
 ```jldoctest
 julia> a_d = create(20)
 
-Quantum Object:   type=Operator   dims=[20]   size=(20, 20)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[20]   size=(20, 20)   ishermitian=false
 20×20 SparseMatrixCSC{ComplexF64, Int64} with 19 stored entries:
 ⎡⠢⡀⠀⠀⠀⠀⠀⠀⠀⠀⎤
 ⎢⠀⠈⠢⡀⠀⠀⠀⠀⠀⠀⎥
@@ -243,21 +243,21 @@ Note that if the parameter `which` is not specified, returns a set of Spin-`j` o
 ```jldoctest
 julia> jmat(0.5, :x)
 
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=true
 2×2 SparseMatrixCSC{ComplexF64, Int64} with 2 stored entries:
      ⋅      0.5+0.0im
  0.5+0.0im      ⋅
 
 julia> jmat(0.5, Val(:-))
 
-Quantum Object:   type=Operator   dims=[2]   size=(2, 2)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[2]   size=(2, 2)   ishermitian=false
 2×2 SparseMatrixCSC{ComplexF64, Int64} with 1 stored entry:
      ⋅          ⋅    
  1.0+0.0im      ⋅
 
 julia> jmat(1.5, Val(:z))
 
-Quantum Object:   type=Operator   dims=[4]   size=(4, 4)   ishermitian=true
+Quantum Object:   type=Operator()   dims=[4]   size=(4, 4)   ishermitian=true
 4×4 SparseMatrixCSC{ComplexF64, Int64} with 4 stored entries:
  1.5+0.0im      ⋅           ⋅           ⋅    
      ⋅      0.5+0.0im       ⋅           ⋅    

src/qobj/quantum_object.jl

@@ -25,7 +25,7 @@ Julia structure representing any time-independent quantum objects. For time-depe
 ```jldoctest
 julia> a = destroy(20)
 
-Quantum Object:   type=Operator   dims=[20]   size=(20, 20)   ishermitian=false
+Quantum Object:   type=Operator()   dims=[20]   size=(20, 20)   ishermitian=false
 20×20 SparseMatrixCSC{ComplexF64, Int64} with 19 stored entries:
 ⎡⠈⠢⡀⠀⠀⠀⠀⠀⠀⠀⎤
 ⎢⠀⠀⠈⠢⡀⠀⠀⠀⠀⠀⎥