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Migrate express and AbstractRepresentation type from QuantumSymbolics #46

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Migrate express and AbstractRepresentation type from QuantumSymbolics #46

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1c29e26
QSymbolics `express` functionality migration
apkille Dec 22, 2024
cbe7ae2
bring in express default
apkille Dec 22, 2024
dfae070
introduce default representation
apkille Dec 22, 2024
fc420c3
rm silly typo
apkille Dec 22, 2024
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1 change: 1 addition & 0 deletions src/QuantumInterface.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -100,5 +100,6 @@ include("julia_linalg.jl")
include("sparse.jl")

include("sortedindices.jl")
include("express.jl")

end # module
19 changes: 19 additions & 0 deletions src/express.jl
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
function express end

express(obj) = express(obj, QuantumOpticsRepr()) # The default representation

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"""An abstract type for the supported representation of quantum objects."""
abstract type AbstractRepresentation end

##
# Commonly used representations -- interfaces for each one defined in separate packages
##

"""Representation using kets, bras, density matrices, and superoperators governed by `QuantumOptics.jl`."""
@kwdef struct QuantumOpticsRepr <: AbstractRepresentation
cutoff::Int = 2
end
"""Similar to `QuantumOpticsRepr`, but using trajectories instead of superoperators."""
struct QuantumMCRepr <: AbstractRepresentation end
"""Representation using tableaux governed by `QuantumClifford.jl`"""
struct CliffordRepr <: AbstractRepresentation end
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