Function softmax_all_gradient

dlib/cuda/cpu_dlib.cpp:1807–1816

        }

        void softmax_all_gradient (
            tensor& grad,
            const tensor& dest,
            const tensor& gradient_input
        )
        {
            DLIB_CASSERT(have_same_dimensions(grad,dest));
            DLIB_CASSERT(have_same_dimensions(grad,gradient_input));
            ttimpl::softmax_gradient(1, grad.nr()*grad.nc()*grad.k(), grad, dest, gradient_input);
        }

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