ArrayInitializers
Documentation for ArrayInitializers.
ArrayInitializers.oneinit
ArrayInitializers.randinit
ArrayInitializers.zeroinit
ArrayInitializers.FillArrayInitializer
ArrayInitializers.OneInitializer
ArrayInitializers.SizedArrayInitializer
ArrayInitializers.UndefTypeArrayInitializer
ArrayInitializers.ZeroInitializer
ArrayInitializers.fill!
ArrayInitializers.init
ArrayInitializers.undeftype
ArrayInitializers.oneinit
— Constantoneinit
oneinit(::Type{T})
Singleton instance of oneInitializer{Any}
. The instance can be called with a type argument to create a typed one initializer.
julia> Matrix(oneinit(Rational), 3, 6)
3×6 Matrix{Rational}:
1//1 1//1 1//1 1//1 1//1 1//1
1//1 1//1 1//1 1//1 1//1 1//1
1//1 1//1 1//1 1//1 1//1 1//1
julia> Matrix{Number}(oneinit, 3, 6)
3×6 Matrix{Number}:
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
ArrayInitializers.randinit
— Constantrandinit
Initialize array with random values.
julia> Array{UInt8}(randinit, 5)
5-element Vector{UInt8}:
0x91
0xcb
0xf0
0xa5
0x9e
julia> Array(randinit(1:3), 5)
5-element Vector{Int64}:
3
3
2
2
3
julia> ri = randinit(MersenneTwister(1234), Int8)
ArrayInitializers.RNGArrayInitializer{Int8, Type{Int8}, MersenneTwister}(Int8, MersenneTwister(1234))
julia> Matrix(ri, 2, 3)
2×3 Matrix{Int8}:
-20 75 126
-105 115 -42
ArrayInitializers.zeroinit
— Constantzeroinit
zeroinit(::Type{T})
Singleton instance of ZeroInitializer{Any}
. The instance can be called with a type argument to create a typed zero initializer.
julia> Vector{Int}(zeroinit, 5)
5-element Vector{Int64}:
0
0
0
0
0
julia> Matrix(zeroinit(Rational), 4, 2)
4×2 Matrix{Rational}:
0//1 0//1
0//1 0//1
0//1 0//1
0//1 0//1
ArrayInitializers.FillArrayInitializer
— TypeFillArrayInitializer{T}(value::T)
When passed to an AbstractArray
constructor as the first argument, the constructed array will be filled with value via fill!
.
ArrayInitializers.OneInitializer
— TypeOneInitializer{T}
When passed as the first argument of an AbstractArray
constructor, fill the constructed array with ones. This will also add a type to an untyped array.
ArrayInitializers.SizedArrayInitializer
— TypeSizedArrayInitializer(initializer, dims)
Array
initializer with dimensions. Construct using Base.reshape
julia> twos = init(2)
ArrayInitializers.FillArrayInitializer{Int64}(2)
julia> twos_3x5 = reshape(twos, 3, 5)
ArrayInitializers.SizedArrayInitializer{Int64, ArrayInitializers.FillArrayInitializer{Int64}, Tuple{Int64, Int64}}(ArrayInitializers.FillArrayInitializer{Int64}(2), (3, 5))
julia> Array(twos_3x5)
3×5 Matrix{Int64}:
2 2 2 2 2
2 2 2 2 2
2 2 2 2 2
ArrayInitializers.UndefTypeArrayInitializer
— TypeUndefTypeArrayInitializer{T}
When passed as the first argument of an AbstractArray
constructor, confer the type T
if the AbstractArray
is not typed. The array is not initialized.
See undeftype
ArrayInitializers.ZeroInitializer
— TypeZeroInitializer{T}
When passed as the first argument of an AbstractArray
constructor, fill the constructed array with zeros. This will also add a type to an untyped array.
ArrayInitializers.fill!
— MethodArrayInitializers.fill!(value)
Alias for ArrayInitializers.init
.
julia> import ArrayInitializers: fill!
julia> const fives = fill!(5)
ArrayInitializers.FillArrayInitializer{Int64}(5)
julia> Matrix(fives, 5, 9)
5×9 Matrix{Int64}:
5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5
5 5 5 5 5 5 5 5 5
ArrayInitializers.init
— Methodinit(value::T)
Create a FillArrayInitializer{T}
. When passed to an AbstractArray
constructor as the first argument, the constructed array will be filled with value
via fill!
.
Also the result can be called with an array argument. It will fill!
the array.
julia> const threes = init(3)
ArrayInitializers.FillArrayInitializer{Int64}(3)
julia> Array(threes, 5)
5-element Vector{Int64}:
3
3
3
3
3
julia> const fives! = init(5)
ArrayInitializers.FillArrayInitializer{Int64}(5)
julia> fives!(ones(3))
3-element Vector{Float64}:
5.0
5.0
5.0
ArrayInitializers.undeftype
— Methodundeftype(::Type{T})
When passed as the first argument of an AbstractArray
constructor, confer the type T
if the AbstractArray
is not typed. The array is not initialized.
julia> Matrix(undeftype(Float64), 3, 6)
3×6 Matrix{Float64}:
1.5e-323 2.0e-323 7.0e-323 2.5e-323 3.5e-323 3.0e-323
1.0e-323 1.5e-323 2.0e-323 2.0e-323 2.5e-323 2.5e-323
1.13396e-311 6.95272e-310 6.95272e-310 1.13394e-311 6.95272e-310 6.95272e-310
julia> Matrix(undeftype(Number), 3, 6)
3×6 Matrix{Number}:
#undef #undef #undef #undef #undef #undef
#undef #undef #undef #undef #undef #undef
#undef #undef #undef #undef #undef #undef