Function scale_rows2

dlib/cuda/tensor_tools.cpp:129–152

    }

    void scale_rows2 (
        float beta, 
        tensor& out,
        const tensor& m1,
        const tensor& m2,
        const tensor& v1,
        const tensor& v2
    )
    {
        DLIB_CASSERT(have_same_dimensions(out,m1));
        DLIB_CASSERT(have_same_dimensions(out,m2));
        DLIB_CASSERT(have_same_dimensions(v1,v2));
        DLIB_CASSERT(is_vector(mat(v1))); 
        DLIB_CASSERT(static_cast<long long>(v1.size()) == m1.num_samples());

#ifdef DLIB_USE_CUDA
        cuda::scale_rows2(beta, out, m1, m2, v1, v2);
#else
        if (beta == 0)
            out = scale_rows(mat(m1) - scale_rows(mat(m2),mat(v1)), mat(v2));
        else
            out = beta*mat(out) + scale_rows(mat(m1) - scale_rows(mat(m2),mat(v1)), mat(v2));
#endif
    }

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