Fix more namespace issues

Author: mtfishman

examples/development/vumps/transfer_matrix_spectrum_arpack.jl

@@ -75,7 +75,7 @@ function energy_local(ψ1, ψ2, h)
   return (noprime(ϕ * h) * dag(ϕ))[]
 end
 
-function ITensors.expect(ψ, o)
+function ITensorMPS.expect(ψ, o)
   return (noprime(ψ * op(o, filterinds(ψ, "Site")...)) * dag(ψ))[]
 end
 

examples/vumps/vumps_heisenberg.jl

@@ -79,7 +79,7 @@ energy_finite_total, ψfinite = dmrg(Hfinite, ψfinite; nsweeps, maxdim, cutoff)
 
 energy_exact_finite = reference(model, Observable("energy"); N=Nfinite)
 
-function ITensors.expect(ψ::ITensor, o::String)
+function ITensorMPS.expect(ψ::ITensor, o::String)
   return inner(ψ, apply(op(o, filterinds(ψ, "Site")...), ψ))
 end
 

examples/vumps/vumps_hubbard_extended.jl

@@ -114,9 +114,9 @@ bsfinite = [(nfinite, nfinite + 1), (nfinite + 1, nfinite + 2)]
 hfinite(b) = ITensor(model, [sfinite[b[1]], sfinite[b[2]]]; model_params...)
 energy_finite = map(b -> expect_two_site(ψfinite, hfinite(b), b), bsfinite)
 
-Nup_finite = ITensors.expect(ψfinite, "Nup")[nfinite:(nfinite + 1)]
-Ndn_finite = ITensors.expect(ψfinite, "Ndn")[nfinite:(nfinite + 1)]
-Sz_finite = ITensors.expect(ψfinite, "Sz")[nfinite:(nfinite + 1)]
+Nup_finite = ITensorMPS.expect(ψfinite, "Nup")[nfinite:(nfinite + 1)]
+Ndn_finite = ITensorMPS.expect(ψfinite, "Ndn")[nfinite:(nfinite + 1)]
+Sz_finite = ITensorMPS.expect(ψfinite, "Sz")[nfinite:(nfinite + 1)]
 
 energy_exact = reference(model, Observable("energy"); U=model_params.U / model_params.t)
 

examples/vumps/vumps_ising.jl

@@ -77,7 +77,7 @@ end
 
 energy_local(ψ1, ψ2, h::MPO) = energy_local(ψ1, ψ2, prod(h))
 
-function ITensors.expect(ψ, o)
+function ITensorMPS.expect(ψ, o)
   return (noprime(ψ * op(o, filterinds(ψ, "Site")...)) * dag(ψ))[]
 end
 

test/test_iMPOConversions.jl

@@ -57,7 +57,7 @@ end
 # Terminate and then call expect
 # for inf ψ and finite h, which is already supported in src/infinitecanonicalmps.jl
 #
-function ITensors.expect(ψ::InfiniteCanonicalMPS, h::InfiniteMPO)
+function ITensorMPS.expect(ψ::InfiniteCanonicalMPS, h::InfiniteMPO)
   return expect(ψ, terminate(h)) #defer to src/infinitecanonicalmps.jl
 end
 
@@ -82,7 +82,7 @@ function generate_edges(h::InfiniteBlockMPO)
   return Ls, Rs
 end
 
-function ITensors.expect(ψ::InfiniteCanonicalMPS, h::InfiniteBlockMPO)
+function ITensorMPS.expect(ψ::InfiniteCanonicalMPS, h::InfiniteBlockMPO)
   Ncell = nsites(h)
   L, R = generate_edges(h)
   l = commoninds(ψ.AL[0], ψ.AL[1])