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test_gates.jl
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using Test, BraketSimulator, LinearAlgebra
CCNot_mat = round.(reduce(hcat, [[1.0, 0, 0, 0, 0, 0, 0, 0],
[0, 1.0, 0, 0, 0, 0, 0, 0],
[0, 0, 1.0, 0, 0, 0, 0, 0],
[0, 0, 0, 1.0, 0, 0, 0, 0],
[0, 0, 0, 0, 1.0, 0, 0, 0],
[0, 0, 0, 0, 0, 1.0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 1.0],
[0, 0, 0, 0, 0, 0, 1.0, 0]]), digits=8)
ECR_mat = round.(reduce(hcat, [[0, 0, 0.70710678, 0.70710678im],
[0, 0, 0.70710678im, 0.70710678],
[0.70710678, -0.70710678im, 0, 0],
[-0.70710678im, 0.70710678, 0, 0]]), digits=8)
T_mat = round.(reduce(hcat, [[1.0, 0], [0, 0.70710678 + 0.70710678im]]), digits=8)
@testset "Gates" begin
@testset for g in (BraketSimulator.H(),
BraketSimulator.I(),
BraketSimulator.X(),
BraketSimulator.Y(),
BraketSimulator.Z(),
BraketSimulator.S(),
BraketSimulator.Si(),
BraketSimulator.T(),
BraketSimulator.Ti(),
BraketSimulator.V(),
BraketSimulator.Vi())
@test qubit_count(g) == 1
@test qubit_count(typeof(g)) == 1
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, BraketSimulator.Instruction(g, 0))
@test c.instructions == [BraketSimulator.Instruction(g, 0)]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.NonParametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 0
@test BraketSimulator.angles(g) == ()
@test BraketSimulator.qubit_count(g) == 1
end
@testset for g in (BraketSimulator.CNot(),
BraketSimulator.Swap(),
BraketSimulator.ISwap(),
BraketSimulator.CV(),
BraketSimulator.CY(),
BraketSimulator.CZ(),
BraketSimulator.ECR())
@test qubit_count(g) == 2
@test qubit_count(typeof(g)) == 2
ix = BraketSimulator.Instruction(g, [0, 1])
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
ix = BraketSimulator.Instruction(g, [10, 1])
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.NonParametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 0
@test BraketSimulator.qubit_count(g) == 2
end
@testset for g in (BraketSimulator.CCNot(), BraketSimulator.CSwap())
@test qubit_count(g) == 3
@test qubit_count(typeof(g)) == 3
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, [0, 1, 2])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.NonParametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 0
@test BraketSimulator.qubit_count(g) == 3
end
α = BraketSimulator.FreeParameter(:α)
β = BraketSimulator.FreeParameter(:β)
γ = BraketSimulator.FreeParameter(:γ)
@test copy(α) === α
@testset for (angle1, angle2, angle3) in ((rand(), rand(), rand()), (π, rand(), rand()))
@testset for g in (BraketSimulator.Rx(angle1), BraketSimulator.Ry(angle1), BraketSimulator.Rz(angle1), BraketSimulator.PhaseShift(angle1))
@test qubit_count(g) == 1
@test qubit_count(typeof(g)) == 1
ix = BraketSimulator.Instruction(g, 0)
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 1
@test BraketSimulator.qubit_count(g) == 1
end
@testset for g in (BraketSimulator.Rx, BraketSimulator.Ry, BraketSimulator.Rz, BraketSimulator.PhaseShift)
@test qubit_count(g) == 1
ix = BraketSimulator.Instruction(g(α), 0)
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g(α)) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g(α)) == BraketSimulator.FreeParameter[α]
bound_g = BraketSimulator.bind_value!(BraketSimulator.Parametrized(), g(α), Dict(:α=>angle1))
@test bound_g == g(angle1)
end
@testset for g in (BraketSimulator.PSwap(angle1),
BraketSimulator.XY(angle1),
BraketSimulator.CPhaseShift(angle1),
BraketSimulator.CPhaseShift00(angle1),
BraketSimulator.CPhaseShift01(angle1),
BraketSimulator.CPhaseShift10(angle1),
BraketSimulator.XX(angle1),
BraketSimulator.YY(angle1),
BraketSimulator.ZZ(angle1))
@test qubit_count(g) == 2
@test qubit_count(typeof(g)) == 2
ix = BraketSimulator.Instruction(g, [0, 1])
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 1
@test BraketSimulator.qubit_count(g) == 2
end
@testset for g in (BraketSimulator.PSwap, BraketSimulator.XY, BraketSimulator.CPhaseShift, BraketSimulator.CPhaseShift00, BraketSimulator.CPhaseShift01, BraketSimulator.CPhaseShift10, BraketSimulator.XX, BraketSimulator.YY, BraketSimulator.ZZ)
@test qubit_count(g) == 2
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α), [0, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α), [10, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g(α)) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g(α)) == BraketSimulator.FreeParameter[α]
bound_g = BraketSimulator.bind_value!(BraketSimulator.Parametrized(), g(α), Dict(:α=>angle1))
@test bound_g == g(angle1)
end
@testset for g in (BraketSimulator.MS(angle1, angle2, angle3),)
@test qubit_count(g) == 2
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, [0, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, [10, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 3
@test BraketSimulator.qubit_count(g) == 2
end
@testset for g in (BraketSimulator.MS,)
@test qubit_count(g) == 2
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α, β, γ), [0, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α, β, γ), [10, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g(α, β, γ)) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g(α, β, γ)) == BraketSimulator.FreeParameter[α, β, γ]
bound_g = BraketSimulator.bind_value!(BraketSimulator.Parametrized(), g(α, β, γ), Dict(:α=>angle1, :β=>angle2, :γ=>angle3))
@test bound_g == g(angle1, angle2, angle3)
end
@testset for g in (BraketSimulator.U(angle1, angle2, angle3),)
@test qubit_count(g) == 1
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, 0)
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 3
@test BraketSimulator.qubit_count(g) == 1
end
@testset for g in (BraketSimulator.U,)
@test qubit_count(g) == 1
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α, β, γ), 0)
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g(α, β, γ)) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g(α, β, γ)) == BraketSimulator.FreeParameter[α, β, γ]
bound_g = BraketSimulator.bind_value!(BraketSimulator.Parametrized(), g(α, β, γ), Dict(:α=>angle1, :β=>angle2, :γ=>angle3))
@test bound_g == g(angle1, angle2, angle3)
end
@testset for g in (BraketSimulator.PRx(angle1, angle2),)
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, 0)
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g) == BraketSimulator.FreeParameter[]
@test BraketSimulator.n_angles(g) == 2
@test BraketSimulator.qubit_count(g) == 1
end
@testset for g in (BraketSimulator.PRx,)
@test qubit_count(g) == 1
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g(α, β), 0)
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
@test BraketSimulator.Parametrizable(g(α, β)) == BraketSimulator.Parametrized()
@test BraketSimulator.parameters(g(α, β)) == BraketSimulator.FreeParameter[α, β]
bound_g = BraketSimulator.bind_value!(BraketSimulator.Parametrized(), g(α, β), Dict(:α=>angle1, :β=>angle2))
@test bound_g == g(angle1, angle2)
end
end
@testset "g = Unitary" begin
X = complex([0. 1.; 1. 0.])
Y = [0. -im; im 0.]
g = BraketSimulator.Unitary(X)
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, 0)
@test BraketSimulator.qubit_count(g) == 1
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
g = BraketSimulator.Unitary(kron(X, X))
@test BraketSimulator.qubit_count(g) == 2
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, [0, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(g, [0, 1])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
g = BraketSimulator.Unitary(kron(Y, Y))
@test BraketSimulator.qubit_count(g) == 2
ix = BraketSimulator.Instruction(g, [0, 1])
c = BraketSimulator.Circuit()
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
end
@testset "Angled 3 qubit gates" begin
# build some "fake" (for now) 3 qubit gates to test gate applicators
mutable struct CCPhaseShift <: BraketSimulator.AngledGate{1}
angle::NTuple{1, Union{Real, BraketSimulator.FreeParameter}}
pow_exponent::Float64
CCPhaseShift(angle::T, pow_exponent::Float64=1.0) where {T<:NTuple{1, Union{Real, FreeParameter}}} = new(angle, pow_exponent)
end
mutable struct CXX <: BraketSimulator.AngledGate{1}
angle::NTuple{1, Union{Float64, BraketSimulator.FreeParameter}}
pow_exponent::Float64
CXX(angle::T, pow_exponent::Float64=1.0) where {T<:NTuple{1, Union{Real, FreeParameter}}} = new(angle, pow_exponent)
end
angle = rand()
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(CCPhaseShift(angle), [0, 1, 2])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
c = BraketSimulator.Circuit()
ix = BraketSimulator.Instruction(CXX(angle), [0, 1, 2])
BraketSimulator.add_instruction!(c, ix)
@test c.instructions == [ix]
end
end