pub fn cross_in_tray_hessian<T>(param: &[T; 2]) -> [[T; 2]; 2]
where T: Float + Into<f64> + FromPrimitive,
Expand description

Hessian of Cross-in-tray test function

This function may return NaN or INF.

Note: Even if the input parameters are f32, internal computations will be performed in f64.