tgorordo/WignerSymbols.jl
1
0
Fork 0
mirror of https://github.com/tgorordo/WignerSymbols.jl.git synced 2026-06-05 15:42:15 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

improve speed of conversion from halfinteger to integer

Browse source
This commit is contained in:
Jutho Haegeman 2018-01-30 16:47:07 +08:00
parent ba3303cb68
commit 21688c9a2b
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/halfinteger.jl
View file

@ -25,7 +25,9 @@ function Base.convert(::Type{HalfInteger}, r::Rational)
end
end
Base.convert(::Type{HalfInteger}, r::Real) = convert(HalfInteger, convert(Rational, r))
Base.convert(T::Type{<:Real}, s::HalfInteger) = convert(T, s.num//2)
Base.convert(T::Type{<:Integer}, s::HalfInteger) = iseven(s.num) ? convert(T, s.num>>1) : throw(InexactError())
Base.convert(T::Type{<:Rational}, s::HalfInteger) = convert(T, s.num//2)
Base.convert(T::Type{<:Real}, s::HalfInteger) = convert(T, s.num/2)
Base.convert(::Type{HalfInteger}, s::HalfInteger) = s
Base.isinteger(a::HalfInteger) = iseven(a.num)