1//! Simultaneously computes the sine and cosine of the number, `x`.
2
3use super::F32;
4
5impl F32 {
6 /// Simultaneously computes the sine and cosine of the number, `x`.
7 /// Returns `(sin(x), cos(x))`.
8 pub fn sin_cos(self) -> (Self, Self) {
9 (self.sin(), self.cos())
10 }
11}
12
13#[cfg(test)]
14mod tests {
15 use super::F32;
16
17 const TEST_VECTORS: &[f32] = &[
18 0.000, 0.140, 0.279, 0.419, 0.559, 0.698, 0.838, 0.977, 1.117, 1.257, 1.396, 1.536, 1.676,
19 1.815, 1.955, 2.094, 2.234, 2.374, 2.513, 2.653, 2.793, 2.932, 3.072, 3.211, 3.351, 3.491,
20 3.630, 3.770, 3.910, 4.049, 4.189, 4.328, 4.468, 4.608, 4.747, 4.887, 5.027, 5.166, 5.306,
21 5.445, 5.585, 5.725, 5.864, 6.004, 6.144, 6.283,
22 ];
23
24 #[test]
25 fn sanity_check() {
26 for &x in TEST_VECTORS {
27 let sin_x = F32(x).sin();
28 let cos_x = F32(x).cos();
29
30 assert_eq!(F32(x).sin_cos(), (sin_x, cos_x));
31 }
32 }
33}
34