Function scale

tests/validation/reference/DFT.cpp:240–251

 */
template <typename T>
void scale(SimpleTensor<T> &tensor, T scaling_factor)
{
    const int total_elements = tensor.num_elements() * tensor.num_channels();
    T        *data_ptr       = tensor.data();
#if defined(_OPENMP)
#pragma omp parallel for
#endif /* _OPENMP */
    for (int i = 0; i < total_elements; ++i)
    {
        data_ptr[i] /= scaling_factor;
    }
}

/** Performs a complex element-wise multiplication with reduction across the channels axis.
 *