| 1 | #[cfg (not(all(any(target_arch = "x86" , target_arch = "x86_64" ), feature = "simd" )))] |
| 2 | #[inline (always)] |
| 3 | pub fn fract(value: f32) -> f32 { |
| 4 | value - super::trunc(value) |
| 5 | } |
| 6 | |
| 7 | #[cfg (all(any(target_arch = "x86" , target_arch = "x86_64" ), feature = "simd" ))] |
| 8 | #[inline (always)] |
| 9 | pub fn fract(value: f32) -> f32 { |
| 10 | #[cfg (target_arch = "x86" )] |
| 11 | use core::arch::x86::*; |
| 12 | #[cfg (target_arch = "x86_64" )] |
| 13 | use core::arch::x86_64::*; |
| 14 | |
| 15 | unsafe { |
| 16 | let packed: __m128 = _mm_set_ss(value); |
| 17 | _mm_cvtss_f32(_mm_sub_ps(a:packed, b:_mm_cvtepi32_ps(_mm_cvttps_epi32(packed)))) |
| 18 | } |
| 19 | } |
| 20 | |