Function rsgeo::prelude::radians[][src]

pub fn radians(deg: f32) -> f32

transform a degree to radians value

Example

use rsgeo::prelude::radians;
use std::f32::consts::PI;
let a = 180.0f32;
let b = 90.0f32;
let c = 30.0f32;
let d = -5.0f32;
assert!((radians(a) - PI).abs() < 1e-6);
assert!((radians(b) - (PI / 2.0)).abs() < 1e-6);
assert!((radians(c) - (PI / 6.0)).abs() < 1e-6);
assert!((radians(d) - -0.0872664).abs() < 1e-6);