Elementwise functions exp.(::KnetArray),tanh.(::KnetArray),sigm.(::KnetArray) returns Array instead of KnetArray

[ekinakyurek]

In julia v0.5, exp.(::KnetArray),tanh.(::KnetArray),sigm.(::KnetArray) returns Array instead of KnetArray.
Is this a deliberate decision?

julia> a
4×4 Knet.KnetArray{Float32,2}:
 0.00120054  -0.0240854  -0.0209539   0.00840658
 0.0262971    0.0353132  -0.0350228   0.0356118
 0.0319216    0.0111997   0.033148    0.0330177
 0.0382866    0.037246   -0.0201402  -0.039074

julia> exp.(a)
4×4 Array{Float32,2}:
 1.0012   0.976202  0.979264  1.00844
 1.02665  1.03594   0.965583  1.03625
 1.03244  1.01126   1.0337    1.03357
 1.03903  1.03795   0.980061  0.96168

julia> sigm.(a)
4×4 Array{Float32,2}:
 0.5003    0.493979  0.494762  0.502102
 0.506574  0.508827  0.491245  0.508902
 0.50798   0.5028    0.508286  0.508254
 0.50957   0.50931   0.494965  0.490233

julia> tanh.(a)
4×4 Array{Float32,2}:
 0.00120054  -0.0240807  -0.0209508   0.00840638
 0.026291     0.0352986  -0.0350085   0.0355968
 0.0319108    0.0111992   0.0331358   0.0330057
 0.0382679    0.0372288  -0.0201375  -0.0390542

[denizyuret]

Fixed, please test.

[ekinakyurek]

Thanks, it is okey now.