Thanks =) It should be tagged, although the last tag does not have the newest commits. I'll tag a new version.
Best, Simon Am Samstag, 5. September 2015 23:09:20 UTC+2 schrieb Simon Danisch: > > Hi everyone, > > FixedSizeArrays <https://github.com/SimonDanisch/FixedSizeArrays.jl>offers > an abstract interface to turn arbitrary types into arrays of fixed size > with most array functionality defined. > The types Point, Vec and Mat are already included per default. > > Advantages are that they're stack allocated, often have less overhead than > Julia arrays and you can dispatch on the dimension. > Disadvantages are, that they're still immutable (advantage?!), 0.4 only > and I still have some problems with compilation times for first calls of > the function even with precompilation. > Also the constructor code is pretty messy, as it is currently relatively > hard to write constructors for abstract types. > > In the future I want to move this into base, by simply inheriting from > AbstractArray, which is currently not possible for immutable arrays. > Major blocking issue for this is my restricted time and #11610 > <https://github.com/JuliaLang/julia/issues/11610>. > Also, we might use Ref{NTuples} for fixed size arrays in the future, which > would resolve quite a few issues. > It's pretty fast but might get even faster as soon as NTuple gets > translated into LLVM's vector type (currently array). > > Here's a short code sample: > > immutable RGB{T} <: FixedVectorNoTuple{T, 3} > r::T > g::T > b::Tendimmutable Vec{N, T} <: FixedVector{N, T} # defined in GeometryTypes.jl > _::NTuple{N, T}end > Vec{3, Float32}(0) # constructor with 1 argument already definedrand(Vec{3, > Int})+sin(Vec(0,2,2)) # a lot of array functions are already defined#There is > also a matrix typeeye(Mat{3,3,Float32}) * rand(Vec{3, Float32}) # will also > "just work" > a = Vec(1,2,3)[1:2] # returns (1,2) > > > Best, > Simon >
