Merge pull request #236 from JuliaDiff/Ox/ptr

NoTangent to Ptr

Author: oxinabox

src/rand_tangent.jl

@@ -49,5 +49,6 @@ rand_tangent(rng::AbstractRNG, x::Symbol) = NoTangent()
 rand_tangent(rng::AbstractRNG, x::AbstractChar) = NoTangent()
 rand_tangent(rng::AbstractRNG, x::AbstractString) = NoTangent()
 rand_tangent(rng::AbstractRNG, x::Integer) = NoTangent()
+rand_tangent(rng::AbstractRNG, ::Ptr) = NoTangent()
 rand_tangent(rng::AbstractRNG, ::Type) = NoTangent()
 rand_tangent(rng::AbstractRNG, ::Module) = NoTangent()