Function zero_matrix

dlib/matrix/matrix_assign.h:32–43

        template <typename T>
        void zero_matrix (
            T& m
        )
        {
            for (long r = 0; r < m.nr(); ++r)
            {
                for (long c = 0; c < m.nc(); ++c)
                {
                    m(r,c) = 0;
                }
            }
        }

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