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[ENHANCEMENT] Define `convert_itensor_eltype` for MPS/MPO #804

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mtfishman opened this issue Jan 20, 2022 · 0 comments

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mtfishman commented Jan 20, 2022

using ITensors

convert_eltype(T, A::ITensor) = itensor(T.(NDTensors.tensor(A)))
convert_itensor_eltype(T, A::ITensors.AbstractMPS) = convert_eltype.(T, A)

s = siteinds("S=1/2", 4)
ψ = randomMPS(s)
ψ32 = convert_itensor_eltype(Float32, ψ)

Also not that in principle T.(A) should work to convert the ITensor element type, but there is a bug in broadcasting right now.

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mtfishman added the enhancement label

mtfishman closed this as completed

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