Remove TTNS and TTNO types in favor of TTN (#47)

Author: mtfishman

examples/treetensornetworks/comb_tree.jl

@@ -8,7 +8,7 @@ g = named_comb_tree((5, 2))
 @visualize g
 
 s = siteinds("S=1/2", g)
-ψ = TTNS(s; link_space=3)
+ψ = TTN(s; link_space=3)
 
 @visualize ψ
 

examples/treetensornetworks/ttn_type.jl

@@ -6,7 +6,7 @@ using ITensorUnicodePlots
 
 g = named_binary_tree(3)
 s = siteinds("S=1/2", g)
-ψ = TTNS(s; link_space=3)
+ψ = TTN(s; link_space=3)
 
 for v in vertices(ψ)
   ψ[v] = randn!(ψ[v])

src/ITensorNetworks.jl

@@ -80,14 +80,12 @@ include("renameitensornetwork.jl")
 include("boundarymps.jl")
 include("beliefpropagation.jl")
 include(joinpath("treetensornetworks", "abstracttreetensornetwork.jl"))
-# include(joinpath("treetensornetworks", "treetensornetwork.jl"))
-include(joinpath("treetensornetworks", "ttns.jl"))
-include(joinpath("treetensornetworks", "ttno.jl"))
-include(joinpath("treetensornetworks", "opsum_to_ttno.jl"))
-include(joinpath("treetensornetworks", "abstractprojttno.jl"))
-include(joinpath("treetensornetworks", "projttno.jl"))
-include(joinpath("treetensornetworks", "projttnosum.jl"))
-include(joinpath("treetensornetworks", "projttno_apply.jl"))
+include(joinpath("treetensornetworks", "ttn.jl"))
+include(joinpath("treetensornetworks", "opsum_to_ttn.jl"))
+include(joinpath("treetensornetworks", "projttns", "abstractprojttn.jl"))
+include(joinpath("treetensornetworks", "projttns", "projttn.jl"))
+include(joinpath("treetensornetworks", "projttns", "projttnsum.jl"))
+include(joinpath("treetensornetworks", "projttns", "projttn_apply.jl"))
 # Compatibility of ITensors.MPS/MPO with tree sweeping routines
 include(joinpath("treetensornetworks", "solvers", "tree_patch.jl"))
 # Compatibility of ITensor observer and Observers

src/exports.jl

@@ -63,15 +63,12 @@ export AbstractITensorNetwork,
   default_root_vertex,
   ortho_center,
   set_ortho_center,
-  TreeTensorNetworkState,
-  TTNS,
-  randomTTNS,
-  productTTNS,
-  TreeTensorNetworkOperator,
-  TTNO,
-  ProjTTNO,
-  ProjTTNOSum,
-  ProjTTNOApply,
+  TreeTensorNetwork,
+  TTN,
+  randomTTN,
+  ProjTTN,
+  ProjTTNSum,
+  ProjTTNApply,
   set_nsite,
   position,
   finite_state_machine,
@@ -105,4 +102,4 @@ export partition, partition_vertices, subgraphs, subgraph_vertices
 export relabel_sites
 
 # KrylovKit
-export eigsolve, linsolve
+export eigsolve, linsolve