mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 01:04:03 +00:00
24 lines
549 B
Rust
24 lines
549 B
Rust
// run-pass
|
|
|
|
const fn make_nans() -> (f64, f64, f32, f32) {
|
|
let nan1: f64 = unsafe { std::mem::transmute(0x7FF0_0001_0000_0001u64) };
|
|
let nan2: f64 = unsafe { std::mem::transmute(0x7FF0_0000_0000_0001u64) };
|
|
|
|
let nan1_32 = nan1 as f32;
|
|
let nan2_32 = nan2 as f32;
|
|
|
|
(nan1, nan2, nan1_32, nan2_32)
|
|
}
|
|
|
|
static NANS: (f64, f64, f32, f32) = make_nans();
|
|
|
|
fn main() {
|
|
let (nan1, nan2, nan1_32, nan2_32) = NANS;
|
|
|
|
assert!(nan1.is_nan());
|
|
assert!(nan2.is_nan());
|
|
|
|
assert!(nan1_32.is_nan());
|
|
assert!(nan2_32.is_nan());
|
|
}
|