31 lines
1004 B
Rust
31 lines
1004 B
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(core_intrinsics)]
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use std::intrinsics::{fadd_fast, fsub_fast, fmul_fast, fdiv_fast, frem_fast};
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#[inline(never)]
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pub fn test_operations(a: f64, b: f64) {
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// make sure they all map to the correct operation
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unsafe {
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assert_eq!(fadd_fast(a, b), a + b);
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assert_eq!(fsub_fast(a, b), a - b);
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assert_eq!(fmul_fast(a, b), a * b);
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assert_eq!(fdiv_fast(a, b), a / b);
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assert_eq!(frem_fast(a, b), a % b);
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}
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}
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fn main() {
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test_operations(1., 2.);
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test_operations(10., 5.);
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}
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