1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT 2 // file at the top-level directory of this distribution and at 3 // http://rust-lang.org/COPYRIGHT. 4 // 5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or 6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license 7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your 8 // option. This file may not be copied, modified, or distributed 9 // except according to those terms. 10 11 mod _common; 12 13 use self::_common::validate; 14 use std::mem::transmute; 15 main()16fn main() { 17 for bits in 0u32..(1 << 21) { 18 let single: f32 = unsafe { transmute(bits) }; 19 validate(&format!("{:e}", single)); 20 let double: f64 = unsafe { transmute(bits as u64) }; 21 validate(&format!("{:e}", double)); 22 } 23 } 24