replaced trunc Int with div

src/layers/normalise.jl

@@ -136,7 +136,7 @@ function (BN::BatchNorm)(x)
   dims = length(size(x))
   channels = size(x, dims-1)
   affine_shape = ntuple(i->i == ndims(x) - 1 ? size(x, i) : 1, ndims(x))
-  m = trunc(Int, prod(size(x))/channels)
+  m = div(prod(size(x)), channels)
   γ = reshape(BN.γ, affine_shape...)
   β = reshape(BN.β, affine_shape...)
   if !istraining()