Made tensor copies a little more efficient.

ccdb7721 · Davis King · a66a24f3 · ccdb7721
Commit ccdb7721 authored Oct 10, 2016 by Davis King
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dlib/dnn/tensor.h dlib/dnn/tensor.h +2 -4

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--- a/dlib/dnn/tensor.h
+++ b/dlib/dnn/tensor.h
@@ -292,15 +292,13 @@ namespace dlib
        resizable_tensor(const resizable_tensor& item) : _annotation(item.annotation()) 
        {
-            // TODO, do the copy with cuda?
            copy_size(item);
-            std::memcpy(data_instance.host(), item.host(), data_instance.size()*sizeof(float));
+            memcpy(data_instance, item.data_instance);
        }
        resizable_tensor(const tensor& item) : _annotation(item.annotation()) 
        {
-            // TODO, do the copy with cuda?
            copy_size(item);
-            std::memcpy(data_instance.host(), item.host(), data_instance.size()*sizeof(float));
+            memcpy(*this, item);
        }
        resizable_tensor(resizable_tensor&& item) { swap(item); }