sinpi_rrule

chainrules

Function sinpi_rrule 

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

Reverse rule for sinpi.

ยงExamples

use chainrules::sinpi_rrule;

let dy = sinpi_rrule(0.25_f64, 1.0);
assert!((dy - std::f64::consts::PI * (std::f64::consts::PI * 0.25_f64).cos()).abs() < 1e-12);