reshape with any Colon dim appears to not work at all for VectorOfArray:
If the internal array is a vector, it appears to hit a dead branch:
julia> using RecursiveArrayTools
julia> x = VectorOfArray([randn(2) for _ in 1:4]);
julia> reshape(x, 2, :)
ERROR: UndefVarError: `_throw_dmrs` not defined
Stacktrace:
[1] _reshape(parent::VectorOfArray{Float64, 2, Vector{Vector{Float64}}}, dims::Tuple{Int64, Int64})
@ RecursiveArrayTools ~/.julia/packages/RecursiveArrayTools/w8ctF/src/vector_of_array.jl:397
[2] reshape
@ ./reshapedarray.jl:112 [inlined]
[3] reshape
@ ./reshapedarray.jl:119 [inlined]
[4] reshape(::VectorOfArray{Float64, 2, Vector{Vector{Float64}}}, ::Int64, ::Colon)
@ Base ./reshapedarray.jl:118
[5] top-level scope
@ REPL[5]:1If the internal array is a matrix, then length of the array seems to incorrectly be given as the length of the vector of arrays, so the size corresponding to the colon dimension is incorrectly computed:
julia> x = VectorOfArray([randn(2, 3) for _ in 1:4]);
julia> reshape(x, 2, 3, :)
ERROR: DimensionMismatch: array size 4 must be divisible by the product of the new dimensions (2, 3, Colon())
Stacktrace:
[1] (::Base.var"#throw2#320")(A::VectorOfArray{Float64, 3, Vector{Matrix{Float64}}}, dims::Tuple{Int64, Int64, Colon})
@ Base ./reshapedarray.jl:123
[2] _reshape_uncolon
@ ./reshapedarray.jl:129 [inlined]
[3] reshape(parent::VectorOfArray{Float64, 3, Vector{Matrix{Float64}}}, dims::Tuple{Int64, Int64, Colon})
@ Base ./reshapedarray.jl:119
[4] reshape(::VectorOfArray{Float64, 3, Vector{Matrix{Float64}}}, ::Int64, ::Int64, ::Vararg{Union{Colon, Int64}})
@ Base ./reshapedarray.jl:118
[5] top-level scope
@ REPL[7]:1Environment
julia> versioninfo()
Julia Version 1.9.2
Commit e4ee485e909 (2023-07-05 09:39 UTC)
Platform Info:
OS: Linux (x86_64-linux-gnu)
CPU: 8 × 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-14.0.6 (ORCJIT, tigerlake)
Threads: 8 on 8 virtual cores
Environment:
JULIA_CMDSTAN_HOME = /home/sethaxen/software/cmdstan/2.30.1/
JULIA_NUM_THREADS = auto
JULIA_EDITOR = code
(jl_s8zJAU) pkg> st
Status `/tmp/jl_s8zJAU/Project.toml`
[731186ca] RecursiveArrayTools v2.38.7
reshapewith anyColondim appears to not work at all forVectorOfArray:If the internal array is a vector, it appears to hit a dead branch:
If the internal array is a matrix, then
lengthof the array seems to incorrectly be given as the length of the vector of arrays, so the size corresponding to the colon dimension is incorrectly computed:Environment