Missing tests for hyperbolic trig fallbacks (#38367)

JuliaLang · Nov 10, 2020 · 21c2c51 · 21c2c51
1 parent 5488015
commit 21c2c51
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/test/math.jl b/test/math.jl
@@ -1076,6 +1076,19 @@ float(x::FloatWrapper) = x
     @test isa(cos(z), Complex)
 end
 
+# Define simple wrapper of a Float type:
+struct FloatWrapper2 <: Real
+    x::Float64
+end
+
+float(x::FloatWrapper2) = x.x
+@testset "inverse hyperbolic trig functions of non-standard float" begin
+    x = FloatWrapper2(3.1)
+    @test asinh(sinh(x)) == asinh(sinh(3.1))
+    @test acosh(cosh(x)) == acosh(cosh(3.1))
+    @test atanh(tanh(x)) == atanh(tanh(3.1))
+end
+
 @testset "cbrt" begin
     for T in (Float32, Float64)
         @test cbrt(zero(T)) === zero(T)