8     radius: u32,  in draw_part_a()
11     let half_width = (radius as f64 * radius as f64  in draw_part_a()
12         - (radius as f64 - height) * (radius as f64 - height))  in draw_part_a()
18     let y0 = (radius as f64 - height).ceil();  in draw_part_a()
21         let y1 = (radius as f64 * radius as f64 - x as f64 * x as f64).sqrt();  in draw_part_a()
127     radius: (u32, u32),  in draw_annulus()
130     let a0 = ((radius.0 - radius.1) as f64).min(radius.0 as f64 * (1.0 - 1.0 / (2f64).sqrt()));  in draw_annulus()
131     let a1 = (radius.0 as f64 - a0 - radius.1 as f64).max(0.0);  in draw_annulus()
133     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
141     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
149     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
157     check_result!(draw_part_a::<B, _>(a0, radius.0, |p, r| draw_sweep_line(  in draw_annulus()
168             radius.0 as f64 - a0,  in draw_annulus()
202         radius.1 as i32,  in draw_annulus()
203         radius.0 as i32,  in draw_annulus()
207         radius.1 as i32,  in draw_annulus()
208         radius.0 as i32,  in draw_annulus()
212         radius.1 as i32,  in draw_annulus()
213         radius.0 as i32,  in draw_annulus()
217         radius.1 as i32,  in draw_annulus()
218         radius.0 as i32,  in draw_annulus()
222     let d_inner = ((radius.1 as f64) / (2f64).sqrt()) as i32;  in draw_annulus()
223     let d_outter = (((radius.0 as f64) / (2f64).sqrt()) as i32).min(radius.1 as i32 - 1);  in draw_annulus()
224     let d_outter_actually = (radius.1 as i32).min(  in draw_annulus()
225         (radius.0 as f64 * radius.0 as f64 - radius.1 as f64 * radius.1 as f64 / 2.0)  in draw_annulus()
278     mut radius: u32,  in draw_circle()
287         let inner_radius = radius - (style.stroke_width() / 2).min(radius);  in draw_circle()
288         radius += style.stroke_width() / 2;  in draw_circle()
290             return draw_annulus(b, center, (radius, inner_radius), style);  in draw_circle()
296     let min = (f64::from(radius) * (1.0 - (2f64).sqrt() / 2.0)).ceil() as i32;  in draw_circle()
297     let max = (f64::from(radius) * (1.0 + (2f64).sqrt() / 2.0)).floor() as i32;  in draw_circle()
302         range.start() + center.1 - radius as i32,  in draw_circle()
303         range.end() + center.1 - radius as i32,  in draw_circle()
307         let dy = dy - radius as i32;  in draw_circle()
310         let lx = (f64::from(radius) * f64::from(radius)  in draw_circle()