Quaternion type: Difference between revisions
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(→{{header|Julia}}: condensed code) |
(→{{header|Julia}}: more cleanup) |
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q3::T |
q3::T |
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end |
end |
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Quaternion{A<:Real,B<:Real,C<:Real,D<:Real}(q0::A,q1::B,q2::C,q3::D) = |
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Quaternion(promote(q0,q1,q2,q3)...) |
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convert{T}(::Type{Quaternion{T}}, x::Real) = |
convert{T}(::Type{Quaternion{T}}, x::Real) = |
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Quaternion(convert(T,x), |
Quaternion(convert(T,x), zero(T), zero(T), zero(T)) |
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convert{T}(::Type{Quaternion{T}}, z::Complex) = |
convert{T}(::Type{Quaternion{T}}, z::Complex) = |
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Quaternion(convert(T,real(z)), convert(T,imag(z)), |
Quaternion(convert(T,real(z)), convert(T,imag(z)), zero(T), zero(T)) |
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convert{T}(::Type{Quaternion{T}}, z::Quaternion) = |
convert{T}(::Type{Quaternion{T}}, z::Quaternion) = |
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Quaternion(convert(T,z.q0), convert(T,z.q1), |
Quaternion(convert(T,z.q0), convert(T,z.q1), convert(T,z.q2), convert(T,z.q3)) |
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convert(T,z.q2), convert(T,z.q3)) |
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promote_rule{T,S}(::Type{Complex{T}}, ::Type{Quaternion{S}}) = |
promote_rule{T,S}(::Type{Complex{T}}, ::Type{Quaternion{S}}) = Quaternion{promote_type(T,S)} |
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Quaternion{promote_type(T,S)} |
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promote_rule{S}(::Type{Bool}, ::Type{Quaternion{S}}) = Quaternion{S} |
promote_rule{S}(::Type{Bool}, ::Type{Quaternion{S}}) = Quaternion{S} |
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promote_rule{T<:Real,S}(::Type{T}, ::Type{Quaternion{S}}) = |
promote_rule{T<:Real,S}(::Type{T}, ::Type{Quaternion{S}}) = Quaternion{promote_type(T,S)} |
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promote_rule{T,S}(::Type{Quaternion{T}}, ::Type{Quaternion{S}}) = Quaternion{promote_type(T,S)} |
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function show(io::IO, z::Quaternion) |
function show(io::IO, z::Quaternion) |
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