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Static infinities #20

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Static infinities #20

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497d6ea
add Static
cscherrer Nov 23, 2021
a4a01c2
fix some gremlims
cscherrer Nov 23, 2021
2f4c9c9
version bound
cscherrer Nov 23, 2021
10d0f2b
fix typo
cscherrer Nov 23, 2021
4b9efea
include("static.jl")
cscherrer Nov 23, 2021
14bc05e
static.jl
cscherrer Nov 23, 2021
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4 changes: 4 additions & 0 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@ uuid = "e1ba4f0e-776d-440f-acd9-e1d2e9742647"
authors = ["Sheehan Olver <[email protected]>"]
version = "0.1.4"

[deps]
Static = "aedffcd0-7271-4cad-89d0-dc628f76c6d3"

[compat]
Static = "0.4"
julia = "1"

[extras]
Expand Down
15 changes: 8 additions & 7 deletions src/Infinities.jl
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Expand Up @@ -174,8 +174,8 @@ show(io::IO, y::RealInfinity) = print(io, string(y))
isless(x::RealInfinity, y::RealInfinity) = signbit(x) && !signbit(y)
for Typ in (:Number, :Real, :Integer, :AbstractFloat)
@eval begin
isless(x::RealInfinity, y::$Typ) = signbit(x) && y ≠ -∞
isless(x::$Typ, y::RealInfinity) = !signbit(y) && x ≠ ∞
isless(x::RealInfinity, y::$Typ) = signbit(x) && y ≠ -∞
isless(x::$Typ, y::RealInfinity) = !signbit(y) && x ≠ ∞
+(::$Typ, y::RealInfinity) = y
+(y::RealInfinity, ::$Typ) = y
-(y::RealInfinity, ::$Typ) = y
Expand Down Expand Up @@ -217,7 +217,7 @@ end
-(y::RealInfinity) = RealInfinity(!y.signbit)

function +(x::RealInfinity, y::RealInfinity)
x == y || throw(ArgumentError("Angles must be the same to add ∞"))
x == y || throw(ArgumentError("Angles must be the same to add ∞"))
x
end

Expand Down Expand Up @@ -317,13 +317,13 @@ show(io::IO, x::ComplexInfinity) = print(io, "exp($(x.signbit)*im*π)∞")
==(y::Number, x::ComplexInfinity) = x == y

isless(x::ComplexInfinity{Bool}, y::ComplexInfinity{Bool}) = x.signbit && !y.signbit
isless(x::Number, y::ComplexInfinity{Bool}) = !y.signbit && x ≠ ∞
isless(x::ComplexInfinity{Bool}, y::Number) = x.signbit && y ≠ -∞
isless(x::Number, y::ComplexInfinity{Bool}) = !y.signbit && x ≠ ∞
isless(x::ComplexInfinity{Bool}, y::Number) = x.signbit && y ≠ -∞

-(y::ComplexInfinity{B}) where B<:Integer = sign(y) == 1 ? ComplexInfinity(one(B)) : ComplexInfinity(zero(B))

function +(x::ComplexInfinity, y::ComplexInfinity)
x == y || throw(ArgumentError("Angles must be the same to add ∞"))
x == y || throw(ArgumentError("Angles must be the same to add ∞"))
promote_type(typeof(x),typeof(y))(x.signbit)
end

Expand Down Expand Up @@ -376,7 +376,7 @@ for OP in (:fld,:cld,:div)
end

min(x::ComplexInfinity{B}, y::ComplexInfinity{B}) where B<:Integer = sign(x) == -1 ? x : y
max(x::ComplexInfinity{B}, ::ComplexInfinity{B}) where B<:Integer = sign(x) == 1 ? x : y
max(x::ComplexInfinity{B}, y::ComplexInfinity{B}) where B<:Integer = sign(x) == 1 ? x : y
min(x::Real, y::ComplexInfinity{B}) where B<:Integer = sign(y) == 1 ? x : y
min(x::ComplexInfinity{B}, y::Real) where B<:Integer = min(y,x)
max(x::Real, y::ComplexInfinity{B}) where B<:Integer = sign(y) == 1 ? y : x
Expand All @@ -400,4 +400,5 @@ Base.hash(::Infinity) = 0x020113134b21797f # made up


include("cardinality.jl")
include("static.jl")
end # module
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