Constant DEFAULT_DECOMPOSITION_DERIVATIVE_EPS 

pub const DEFAULT_DECOMPOSITION_DERIVATIVE_EPS: f64 = 1e-12;

Default derivative regularization used by decomposition AD rules.

This epsilon is used only when differentiating decomposition formulas with repeated or nearly repeated spectral values. It is not a solver tolerance.

Examples

use tenferro_linalg::{SvdOptions, DEFAULT_DECOMPOSITION_DERIVATIVE_EPS};

let options = SvdOptions::default();
assert_eq!(options.derivative_eps, DEFAULT_DECOMPOSITION_DERIVATIVE_EPS);