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72b250bb · Davis King · 667b60db · 72b250bb
Commit 72b250bb authored Dec 31, 2015 by Davis King
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core_abstract.h dlib/dnn/core_abstract.h +3 -2

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--- a/dlib/dnn/core_abstract.h
+++ b/dlib/dnn/core_abstract.h
@@ -400,8 +400,9 @@ namespace dlib
        );
        /*!
            requires
-                - forward(x) was called to forward propagate x though the network.  Moreover,
-                  this was the most recent call to forward().
+                - forward(x) was called to forward propagate x though the network.
+                  Moreover, this was the most recent call to forward() and x has not been
+                  subsequently modified in any way.
                - get_gradient_input() has been set equal to the gradient of this network's
                  output with respect to some loss function.
                - This instance of solvers has only ever been used with this network.  That