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adding new single-qubit gates #333

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merged 7 commits into from
Sep 14, 2024
Merged

adding new single-qubit gates #333

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23e406f
adding new single-qubit gates
Fe-r-oz Aug 3, 2024
f24951a
fix the wrong implementation of new single-qubit gates
Fe-r-oz Aug 4, 2024
4bfd7c3
adding codereview suggestions
Fe-r-oz Aug 5, 2024
d7f51bc
completing wonderful todo tasklist
Fe-r-oz Aug 14, 2024
88af2f6
minor test comment update
Krastanov Sep 14, 2024
754b1d0
changelog update
Krastanov Sep 14, 2024
7feb327
Merge branch 'master' into newgates
Krastanov Sep 14, 2024
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1 change: 1 addition & 0 deletions src/QuantumClifford.jl
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Expand Up @@ -48,6 +48,7 @@ export
# Symbolic Clifford Ops
AbstractSymbolicOperator, AbstractSingleQubitOperator, AbstractTwoQubitOperator,
sHadamard, sPhase, sInvPhase, SingleQubitOperator, sId1, sX, sY, sZ,
sHadamardXY, sHadamardYZ, sSQRTX, sSQRTXDAG, sSQRTY, sSQRTYDAG, sCXYZ, sCZYX,
sCNOT, sCPHASE, sSWAP,
sXCX, sXCY, sXCZ, sYCX, sYCY, sYCZ, sZCX, sZCY, sZCZ,
sZCrY,
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65 changes: 44 additions & 21 deletions src/symbolic_cliffords.jl
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Expand Up @@ -85,12 +85,20 @@ macro qubitop1(name, kernel)
end
end

@qubitop1 Hadamard (z , x , x!=0 && z!=0)
@qubitop1 Phase (x , x⊻z , x!=0 && z!=0)
@qubitop1 InvPhase (x , x⊻z , x!=0 && z==0)
@qubitop1 X (x , z , z!=0)
@qubitop1 Y (x , z , (x⊻z)!=0)
@qubitop1 Z (x , z , x!=0)
@qubitop1 Hadamard (z ,x , x!=0 && z!=0)
@qubitop1 Phase (x ,x⊻z , x!=0 && z!=0)
@qubitop1 InvPhase (x ,x⊻z , x!=0 && z==0)
@qubitop1 X (x ,z , z!=0)
@qubitop1 Y (x ,z , (x⊻z)!=0)
@qubitop1 Z (x ,z , x!=0)
@qubitop1 HadamardXY (x ,x⊻z , x==0 && z!=0)
@qubitop1 HadamardYZ (x⊻z ,z , x!=0 && z==0)
@qubitop1 SQRTX (x⊻z ,z , x==0 && z!=0)
@qubitop1 SQRTXDAG (x⊻z ,z , x!=0 && z!=0)
@qubitop1 CXYZ (x⊻z ,x , z==0 && x==0)
@qubitop1 CZYX (z ,x⊻z , z==0 && x==0)
@qubitop1 SQRTY (z ,x , z==0)
@qubitop1 SQRTYDAG (z ,x , z!=0 && x==0)

"""A "symbolic" single-qubit Identity operation.

Expand Down Expand Up @@ -177,13 +185,21 @@ function _apply!(stab::AbstractStabilizer, op::SingleQubitOperator; phases::Val{
stab
end

SingleQubitOperator(h::sHadamard) = SingleQubitOperator(h.q, false, true , true , false, false, false)
SingleQubitOperator(p::sPhase) = SingleQubitOperator(p.q, true , true , false, true , false, false)
SingleQubitOperator(p::sInvPhase) = SingleQubitOperator(p.q, true , true , false, true , true , false)
SingleQubitOperator(p::sId1) = SingleQubitOperator(p.q, true , false, false, true , false, false)
SingleQubitOperator(p::sX) = SingleQubitOperator(p.q, true , false, false, true , false, true)
SingleQubitOperator(p::sY) = SingleQubitOperator(p.q, true , false, false, true , true , true)
SingleQubitOperator(p::sZ) = SingleQubitOperator(p.q, true , false, false, true , true , false)
SingleQubitOperator(h::sHadamard) = SingleQubitOperator(h.q, false, true , true , false, false, false)
SingleQubitOperator(p::sPhase) = SingleQubitOperator(p.q, true , true , false, true , false, false)
SingleQubitOperator(p::sInvPhase) = SingleQubitOperator(p.q, true , true , false, true , true , false)
SingleQubitOperator(p::sId1) = SingleQubitOperator(p.q, true , false, false, true , false, false)
SingleQubitOperator(p::sX) = SingleQubitOperator(p.q, true , false, false, true , false, true)
SingleQubitOperator(p::sY) = SingleQubitOperator(p.q, true , false, false, true , true , true)
SingleQubitOperator(p::sZ) = SingleQubitOperator(p.q, true , false, false, true , true , false)
SingleQubitOperator(p::sCXYZ) = SingleQubitOperator(p.q, true , true, true, false , false , false)
SingleQubitOperator(p::sCZYX) = SingleQubitOperator(p.q, false, true, true, true , false , false)
SingleQubitOperator(p::sHadamardXY) = SingleQubitOperator(p.q, true , true, false, true , false , true)
SingleQubitOperator(p::sHadamardYZ) = SingleQubitOperator(p.q, true , false, true, true , true , false)
SingleQubitOperator(p::sSQRTX) = SingleQubitOperator(p.q, true , false, true, true , false, true)
SingleQubitOperator(p::sSQRTXDAG) = SingleQubitOperator(p.q, true , false, true, true , false , false)
SingleQubitOperator(p::sSQRTY) = SingleQubitOperator(p.q, false , true, true, false , true , false)
SingleQubitOperator(p::sSQRTYDAG) = SingleQubitOperator(p.q, false , true, true, false , false , true)
SingleQubitOperator(o::SingleQubitOperator) = o
function SingleQubitOperator(op::CliffordOperator, qubit)
nqubits(op)==1 || throw(DimensionMismatch("You are trying to convert a multiqubit `CliffordOperator` into a symbolic `SingleQubitOperator`."))
Expand Down Expand Up @@ -232,14 +248,21 @@ function LinearAlgebra.inv(op::SingleQubitOperator)
return SingleQubitOperator(c, op.q)
end

LinearAlgebra.inv(h::sHadamard) = sHadamard(h.q)
LinearAlgebra.inv(p::sPhase) = sInvPhase(p.q)
LinearAlgebra.inv(p::sInvPhase) = sPhase(p.q)
LinearAlgebra.inv(p::sId1) = sId1(p.q)
LinearAlgebra.inv(p::sX) = sX(p.q)
LinearAlgebra.inv(p::sY) = sY(p.q)
LinearAlgebra.inv(p::sZ) = sZ(p.q)

LinearAlgebra.inv(h::sHadamard) = sHadamard(h.q)
LinearAlgebra.inv(p::sPhase) = sInvPhase(p.q)
LinearAlgebra.inv(p::sInvPhase) = sPhase(p.q)
LinearAlgebra.inv(p::sId1) = sId1(p.q)
LinearAlgebra.inv(p::sX) = sX(p.q)
LinearAlgebra.inv(p::sY) = sY(p.q)
LinearAlgebra.inv(p::sZ) = sZ(p.q)
LinearAlgebra.inv(p::sHadamardXY) = sHadamardXY(p.q)
LinearAlgebra.inv(p::sHadamardYZ) = sHadamardYZ(p.q)
LinearAlgebra.inv(p::sSQRTX) = sSQRTXDAG(p.q)
LinearAlgebra.inv(p::sSQRTXDAG) = sSQRTX(p.q)
LinearAlgebra.inv(p::sSQRTY) = sSQRTYDAG(p.q)
LinearAlgebra.inv(p::sSQRTYDAG) = sSQRTY(p.q)
LinearAlgebra.inv(p::sCZYX) = sCXYZ(p.q)
LinearAlgebra.inv(p::sCXYZ) = sCZYX(p.q)
##############################
# Two-qubit gates
##############################
Expand Down
2 changes: 1 addition & 1 deletion test/test_symcliff.jl
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Expand Up @@ -66,7 +66,7 @@
end

@testset "SingleQubitOperator inv methods" begin
for gate_type in [sHadamard, sX, sY, sZ, sId1 , sPhase, sInvPhase]
for gate_type in filter(gate_type -> gate_type != SingleQubitOperator, subtypes(AbstractSingleQubitOperator))
n = rand(1:10)
@test CliffordOperator(inv(SingleQubitOperator(gate_type(n))), n) == inv(CliffordOperator(gate_type(n), n))
@test CliffordOperator(inv(gate_type(n)), n) == inv(CliffordOperator(gate_type(n), n))
Expand Down
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