39 lines
1.2 KiB
V
39 lines
1.2 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
|
|
// Use of this source code is governed by an MIT license
|
|
// that can be found in the LICENSE file.
|
|
module math
|
|
// f32_bits returns the IEEE 754 binary representation of f,
|
|
// with the sign bit of f and the result in the same bit position.
|
|
// f32_bits(f32_from_bits(x)) == x.
|
|
pub fn f32_bits(f f32) u32 {
|
|
p := &u32(&f)
|
|
return *p
|
|
}
|
|
|
|
// f32_from_bits returns the floating-point number corresponding
|
|
// to the IEEE 754 binary representation b, with the sign bit of b
|
|
// and the result in the same bit position.
|
|
// f32_from_bits(f32_bits(x)) == x.
|
|
pub fn f32_from_bits(b u32) f32 {
|
|
p := &f32(&b)
|
|
return *p
|
|
}
|
|
|
|
// f64_bits returns the IEEE 754 binary representation of f,
|
|
// with the sign bit of f and the result in the same bit position,
|
|
// and f64_bits(f64_from_bits(x)) == x.
|
|
pub fn f64_bits(f f64) u64 {
|
|
p := &u64(&f)
|
|
return *p
|
|
}
|
|
|
|
// f64_from_bits returns the floating-point number corresponding
|
|
// to the IEEE 754 binary representation b, with the sign bit of b
|
|
// and the result in the same bit position.
|
|
// f64_from_bits(f64_bits(x)) == x.
|
|
pub fn f64_from_bits(b u64) f64 {
|
|
p := &f64(&b)
|
|
return *p
|
|
}
|
|
|