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TypeParameterAccessors.jl

Stable Dev Build Status Coverage Code Style: Blue Aqua

Installation instructions

This package resides in the ITensor/ITensorRegistry local registry. In order to install, simply add that registry through your package manager. This step is only required once.

julia> using Pkg: Pkg

julia> Pkg.Registry.add(url="https://github.com/ITensor/ITensorRegistry")

or:

julia> Pkg.Registry.add(url="[email protected]:ITensor/ITensorRegistry.git")

if you want to use SSH credentials, which can make it so you don't have to enter your Github ursername and password when registering packages.

Then, the package can be added as usual through the package manager:

julia> Pkg.add("TypeParameterAccessors")

Examples

using Test: @test
using TypeParameterAccessors

Get type parameters:

@test type_parameters(Array{Float64}, 1) == Float64
@test type_parameters(Matrix{Float64}, 2) == 2
@test type_parameters(Matrix{Float64}) == (Float64, 2)
@test type_parameters(Array{Float64}, eltype) == Float64
@test type_parameters(Matrix{Float64}, ndims) == 2
@test type_parameters(Matrix{Float64}, (eltype, ndims)) == (Float64, 2)

Set type parameters:

@test set_type_parameters(Array, 1, Float32) == Array{Float32}
@test set_type_parameters(Array, (1,), (Float32,)) == Array{Float32}
@test set_type_parameters(Array, (1, 2), (Float32, 2)) == Matrix{Float32}
@test set_type_parameters(Array, (eltype,), (Float32,)) == Array{Float32}
@test set_type_parameters(Array, (eltype, ndims), (Float32, 2)) == Matrix{Float32}

Specify type parameters:

@test specify_type_parameters(Array{Float64}, (eltype, ndims), (Float32, 2)) ==
  Matrix{Float64}
@test specify_type_parameters(Array{Float64}, ndims, 2) == Matrix{Float64}
@test specify_type_parameters(Array{Float64}, eltype, Float32) == Array{Float64}

Unspecify type parameters:

@test unspecify_type_parameters(Matrix{Float32}) == Array
@test unspecify_type_parameters(Matrix{Float32}, 1) == Matrix
@test unspecify_type_parameters(Matrix{Float32}, (eltype,)) == Matrix
@test unspecify_type_parameters(Matrix{Float32}, (ndims,)) == Array{Float32}

Getting default type parameters

@test default_type_parameters(Array) == (Float64, 1)
@test default_type_parameters(Array, eltype) == Float64
@test default_type_parameters(Array, 2) == 1
@test default_type_parameters(Array, (eltype, ndims)) == (Float64, 1)

Set default type parameters:

@test set_default_type_parameters(Array) == Vector{Float64}
@test set_default_type_parameters(Array, (eltype,)) == Array{Float64}
@test set_default_type_parameters(Array, 2) == Vector

Specify default type parameters:

@test specify_default_type_parameters(Matrix, (eltype, ndims)) == Matrix{Float64}
@test specify_default_type_parameters(Matrix, eltype) == Matrix{Float64}
@test specify_default_type_parameters(Array{Float32}, (eltype, ndims)) == Vector{Float32}

Other functionality:

  • parenttype
  • unwrap_array_type
  • is_wrapped_array
  • set_eltype
  • set_ndims
  • set_parenttype
  • similartype

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