1 /// Sign of Y, magnitude of X (f32)
2 ///
3 /// Constructs a number with the magnitude (absolute value) of its
4 /// first argument, `x`, and the sign of its second argument, `y`.
5 #[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
copysignf(x: f32, y: f32) -> f326 pub fn copysignf(x: f32, y: f32) -> f32 {
7     let mut ux = x.to_bits();
8     let uy = y.to_bits();
9     ux &= 0x7fffffff;
10     ux |= uy & 0x80000000;
11     f32::from_bits(ux)
12 }
13