Merge pull request #467 from MoonCoral/master

Make unary "-" work with @tf

Author: oxinabox

src/ops/math.jl

@@ -167,7 +167,9 @@ function Base.round(::Type{T}, value::AbstractTensor) where T
 end
 
 
--(n::AbstractTensor) = negative(n)
+@op function -(n::AbstractTensor; kwargs...)
+    negative(n; kwargs...)
+end
 
 @op function Base.complex(x_r::AbstractTensor, x_i::AbstractTensor; kwargs...)
     Ops.complex(x_r, x_i; kwargs...)

test/meta.jl

@@ -60,7 +60,11 @@ end
     end
 end
 
-
+@testset "Negating and @tf" begin
+    a = constant(1)    
+    @tf b = -a
+    @test true # Above line would have errored if unary - didn't work with @tf
+end
 
 @testset "Naming Big Demo" begin
     let