log2_frule

chainrules

Function log2_frule 

Source 
pub fn log2_frule<S: ScalarAd>(x: S, dx: S) -> (S, S)
Expand description

Forward rule for log2.

ยงExamples

use chainrules::log2_frule;

let (y, dy) = log2_frule(8.0_f64, 2.0);
assert!((y - 3.0).abs() < 1e-12);
assert!((dy - (2.0_f64 / (8.0_f64 * std::f64::consts::LN_2))).abs() < 1e-12);