asinh symmetry

JuliaMath · Mar 14, 2019 · e9c02e8 · e9c02e8
1 parent 9a41fd8
commit e9c02e8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/math/elementary/complex.jl b/src/math/elementary/complex.jl
@@ -541,6 +541,7 @@ t12 = -t11
 
 function asinh(x::Complex{DoubleFloat{T}}) where {T}
     r, i = real(x), imag(x)
+    signbit(r) && return - asinh(-x)
     r2 = r*r
     ip1sqr = (i + 1)^2
     sqrta  = sqrt(r2 + ip1sqr)