/
githubmirror
/
julia
Обзор
Документация
Войти
/
githubmirror
/
julia
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
test/testhelpers/PhysQuantities.jl
26 строк
1 KB
Alex Arslan
Add license headers to new files
29 июл 2018, 19:52
29 июл 2018, 19:52
d7d5f11
Код
Авторство
О чём код?
# This file is a part of Julia. License is MIT: https://julialang.org/license module PhysQuantities export PhysQuantity # Mimic a quantity with a physical unit that is not convertible to a real number struct PhysQuantity{n,T} # n is like the exponent of the unit val::T end PhysQuantity{n}(x::T) where {n,T} = PhysQuantity{n,T}(x) Base.zero(::Type{PhysQuantity{n,T}}) where {n,T} = PhysQuantity{n,T}(zero(T)) Base.zero(x::PhysQuantity) = zero(typeof(x)) Base.:+(x::PhysQuantity{n}, y::PhysQuantity{n}) where n = PhysQuantity{n}(x.val + y.val) Base.:-(x::PhysQuantity{n}, y::PhysQuantity{n}) where n = PhysQuantity{n}(x.val - y.val) Base.:*(x::PhysQuantity{n,T}, y::Int) where {n,T} = PhysQuantity{n}(x.val*y) Base.:/(x::PhysQuantity{n,T}, y::Int) where {n,T} = PhysQuantity{n}(x.val/y) Base.:*(x::PhysQuantity{n1,S}, y::PhysQuantity{n2,T}) where {n1,n2,S,T} = PhysQuantity{n1+n2}(x.val*y.val) Base.:/(x::PhysQuantity{n1,S}, y::PhysQuantity{n2,T}) where {n1,n2,S,T} = PhysQuantity{n1-n2}(x.val/y.val) Base.convert(::Type{PhysQuantity{0,T}}, x::Int) where T = PhysQuantity{0}(convert(T, x)) Base.convert(::Type{P}, ::Int) where P<:PhysQuantity = error("Int is incommensurate with PhysQuantity") end #module