| // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![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.); |
| } |
