Function adaptive_gradient_clipping 

pub fn adaptive_gradient_clipping<'a, A, D>(
    gradients: &'a mut Array<A, D>,
    parameters: &Array<A, D>,
    max_ratio: A,
) -> Result<&'a mut Array<A, D>>
where
    A: Float + ScalarOperand,
    D: Dimension,

Adaptive gradient clipping

Clips gradients based on the ratio of gradient norm to parameter norm. This is particularly useful for transformer models.