| 1 | // Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved. |
| 2 | // Use of this source code is governed by an MIT license |
| 3 | // that can be found in the LICENSE file. |
| 4 | module bits |
| 5 | |
| 6 | // f32_bits returns the IEEE 754 binary representation of f, |
| 7 | // with the sign bit of f and the result in the same bit position. |
| 8 | // f32_bits(f32_from_bits(x)) == x. |
| 9 | @[inline] |
| 10 | pub fn f32_bits(f f32) u32 { |
| 11 | p := *unsafe { &u32(&f) } |
| 12 | return p |
| 13 | } |
| 14 | |
| 15 | // f32_from_bits returns the floating-point number corresponding |
| 16 | // to the IEEE 754 binary representation b, with the sign bit of b |
| 17 | // and the result in the same bit position. |
| 18 | // f32_from_bits(f32_bits(x)) == x. |
| 19 | @[inline] |
| 20 | pub fn f32_from_bits(b u32) f32 { |
| 21 | p := *unsafe { &f32(&b) } |
| 22 | return p |
| 23 | } |
| 24 | |
| 25 | // f64_bits returns the IEEE 754 binary representation of f, |
| 26 | // with the sign bit of f and the result in the same bit position, |
| 27 | // and f64_bits(f64_from_bits(x)) == x. |
| 28 | @[inline] |
| 29 | pub fn f64_bits(f f64) u64 { |
| 30 | p := *unsafe { &u64(&f) } |
| 31 | return p |
| 32 | } |
| 33 | |
| 34 | // f64_from_bits returns the floating-point number corresponding |
| 35 | // to the IEEE 754 binary representation b, with the sign bit of b |
| 36 | // and the result in the same bit position. |
| 37 | // f64_from_bits(f64_bits(x)) == x. |
| 38 | @[inline] |
| 39 | pub fn f64_from_bits(b u64) f64 { |
| 40 | p := *unsafe { &f64(&b) } |
| 41 | return p |
| 42 | } |
| 43 | |