add inverse(reim) (#35)

Author: aplavin

Project.toml

@@ -1,6 +1,6 @@
 name = "InverseFunctions"
 uuid = "3587e190-3f89-42d0-90ee-14403ec27112"
-version = "0.1.11"
+version = "0.1.12"
 
 [deps]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/inverse.jl

@@ -161,4 +161,7 @@ inverse(f::Base.Fix2{typeof(invdivrem)}) = Base.Fix2(divrem, f.x)
 inverse(f::Base.Fix2{typeof(fldmod)}) = Base.Fix2(invfldmod, f.x)
 inverse(f::Base.Fix2{typeof(invfldmod)}) = Base.Fix2(fldmod, f.x)
 
+inverse(::typeof(reim)) = Base.splat(complex)
+inverse(::typeof(Base.splat(complex))) = reim
+
 inverse(::typeof(reverse)) = reverse

test/test_inverse.jl

@@ -90,6 +90,10 @@ InverseFunctions.inverse(f::Bar) = Bar(inv(f.A))
     InverseFunctions.test_inverse(inverse(Base.Fix2(divrem, 5)), (-3, -2); compare=(==))
     InverseFunctions.test_inverse(inverse(Base.Fix2(fldmod, 5)), (-3, 2); compare=(==))
 
+    InverseFunctions.test_inverse(reim, -3; compare=(==))
+    InverseFunctions.test_inverse(reim, -3+2im; compare=(==))
+    InverseFunctions.test_inverse(Base.splat(complex), (-3, 2); compare=(==))
+
     A = rand(5, 5)
     for f in (
             identity, inv, adjoint, transpose,