sind_rrule

chainrules

Function sind_rrule 

Source 
pub fn sind_rrule<S: ScalarAd>(x: S, cotangent: S) -> S
Expand description

Reverse rule for sind.

ยงExamples

use chainrules::sind_rrule;

let dy = sind_rrule(30.0_f64, 1.0);
assert!((dy - std::f64::consts::PI / 180.0 * (30.0_f64.to_radians()).cos()).abs() < 1e-12);