rust/tests/ui/numbers-arithmetic/float_math.rs
2023-01-11 09:32:08 +00:00

22 lines
549 B
Rust

// run-pass
#![feature(core_intrinsics)]
use std::intrinsics::{fadd_fast, fsub_fast, fmul_fast, fdiv_fast, frem_fast};
#[inline(never)]
pub fn test_operations(a: f64, b: f64) {
// make sure they all map to the correct operation
unsafe {
assert_eq!(fadd_fast(a, b), a + b);
assert_eq!(fsub_fast(a, b), a - b);
assert_eq!(fmul_fast(a, b), a * b);
assert_eq!(fdiv_fast(a, b), a / b);
assert_eq!(frem_fast(a, b), a % b);
}
}
fn main() {
test_operations(1., 2.);
test_operations(10., 5.);
}