1 | //! Fused multiply-add. Computes `(self * a) + b` |
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2 | |
3 | use super::F32; |
4 | |
5 | impl F32 { |
6 | /// Computes `(self * a) + b`. |
7 | pub fn mul_add(self, a: Self, b: Self) -> Self { |
8 | self * a + b |
9 | } |
10 | } |
11 | |
12 | #[cfg(test)] |
13 | mod tests { |
14 | use super::F32; |
15 | |
16 | #[test] |
17 | fn sanity_check() { |
18 | assert_eq!(F32(0.0).mul_add(F32(0.0), F32(1.0)), F32(1.0)); |
19 | assert_eq!(F32(1.0).mul_add(F32(2.0), F32(3.5)), F32(5.5)); |
20 | assert_eq!(F32(1.0).mul_add(F32(-1.0), F32(0.0)), F32(-1.0)); |
21 | } |
22 | } |
23 |