Use ITensorBase.jl

Author: mtfishman

Project.toml

@@ -4,10 +4,8 @@ authors = ["ITensor developers <[email protected]> and contributors"]
 version = "0.8.0"
 
 [deps]
-BroadcastMapConversion = "4a4adec5-520f-4750-bb37-d5e66b4ddeb2"
-NamedDimsArrays = "60cbd0c0-df58-4cb7-918c-6f5607b73fde"
+ITensorBase = "4795dd04-0d67-49bb-8f44-b89c448a1dc7"
 
 [compat]
-BroadcastMapConversion = "0.1.2"
-NamedDimsArrays = "0.3.0"
+ITensorBase = "0.1.2"
 julia = "1.10"

src/ITensors.jl

@@ -1,79 +1,5 @@
 module ITensors
 
-using BroadcastMapConversion: Mapped
-using NamedDimsArrays:
-  NamedDimsArrays,
-  AbstractName,
-  AbstractNamedDimsArray,
-  AbstractNamedInteger,
-  AbstractNamedUnitRange,
-  AbstractNamedVector,
-  dename,
-  dimnames,
-  name,
-  named,
-  unname
-
-@kwdef struct IndexName <: AbstractName
-  id::UInt64 = rand(UInt64)
-  plev::Int = 0
-  tags::Set{String} = Set{String}()
-  namedtags::Dict{Symbol,String} = Dict{Symbol,String}()
-end
-NamedDimsArrays.randname(n::IndexName) = IndexName()
-
-struct IndexVal{Value<:Integer} <: AbstractNamedInteger{Value,IndexName}
-  value::Value
-  name::IndexName
-end
-
-# Interface
-NamedDimsArrays.dename(i::IndexVal) = i.value
-NamedDimsArrays.name(i::IndexVal) = i.name
-
-# Constructor
-NamedDimsArrays.named(i::Integer, name::IndexName) = IndexVal(i, name)
-
-struct Index{T,Value<:AbstractUnitRange{T}} <: AbstractNamedUnitRange{T,Value,IndexName}
-  value::Value
-  name::IndexName
-end
-
-Index(length::Int) = Index(Base.OneTo(length), IndexName())
-
-# Interface
-# TODO: Overload `Base.parent` instead.
-NamedDimsArrays.dename(i::Index) = i.value
-NamedDimsArrays.name(i::Index) = i.name
-
-# Constructor
-NamedDimsArrays.named(i::AbstractUnitRange, name::IndexName) = Index(i, name)
-
-struct NoncontiguousIndex{T,Value<:AbstractVector{T}} <:
-       AbstractNamedVector{T,Value,IndexName}
-  value::Value
-  name::IndexName
-end
-
-# Interface
-# TODO: Overload `Base.parent` instead.
-NamedDimsArrays.dename(i::NoncontiguousIndex) = i.value
-NamedDimsArrays.name(i::NoncontiguousIndex) = i.name
-
-# Constructor
-NamedDimsArrays.named(i::AbstractVector, name::IndexName) = NoncontiguousIndex(i, name)
-
-abstract type AbstractITensor <: AbstractNamedDimsArray{Any,Any} end
-
-NamedDimsArrays.nameddimsarraytype(::Type{<:IndexName}) = ITensor
-
-Base.ndims(::Type{<:AbstractITensor}) = Any
-
-struct ITensor <: AbstractITensor
-  parent::AbstractArray
-  nameddimsindices
-end
-Base.parent(a::ITensor) = a.parent
-NamedDimsArrays.nameddimsindices(a::ITensor) = a.nameddimsindices
+using ITensorBase: ITensor, Index
 
 end