sinpi
Compute the sine of π*x, where x expressed in half-revolutions.
Base.Math.sinpi — Function
sinpi(x::T) where T -> float(T)Compute $\sin(\pi x)$ more accurately than sin(pi*x), especially for large x.
Throw a DomainError if isinf(x), return a T(NaN) if isnan(x).
Methods
julia> methods(sinpi, (Any,), [Base, Base.Math, Base.MathConstants, Base.MPFR])# 7 methods for generic function "sinpi" from Base.Math: [1] sinpi(x::BigFloat) @ mpfr.jl:946 [2] sinpi(::Missing) @ math.jl:1548 [3] sinpi(_x::T) where T<:Union{Float16, Float32, Float64} @ special/trig.jl:796 [4] sinpi(x::AbstractFloat) @ special/trig.jl:939 [5] sinpi(x::Integer) @ special/trig.jl:934 [6] sinpi(x::Real) @ math.jl:1543 [7] sinpi(z::Complex{T}) where T @ special/trig.jl:945
Examples
Real Numbers
julia> sinpi(0)
0.0
julia> sinpi(0.5)
1.0
julia> sinpi(1)
0.0Complex
julia> sinpi(0+0im)
0.0 + 0.0imTips
See Also
Extended Inputs
Tech Notes
sinpi(::Real): by pure juliasinpi(::BigFloat): by MPFR
Version History
Introduced in Julia v1.0 (2018)