| /// Sign of Y, magnitude of X (f32) | |
| /// | |
| /// Constructs a number with the magnitude (absolute value) of its | |
| /// first argument, `x`, and the sign of its second argument, `y`. | |
| #[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)] | |
| pub fn copysignf(x: f32, y: f32) -> f32 { | |
| let mut ux = x.to_bits(); | |
| let uy = y.to_bits(); | |
| ux &= 0x7fffffff; | |
| ux |= uy & 0x80000000; | |
| f32::from_bits(ux) | |
| } |