diff --git a/vlib/math/unsafe.v b/vlib/math/unsafe.v new file mode 100644 index 0000000000..b45e45f344 --- /dev/null +++ b/vlib/math/unsafe.v @@ -0,0 +1,39 @@ +// Copyright (c) 2019 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 +}