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smoketest f32 fast-math intrinsics

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This commit is contained in:
Ralf Jung 2020-04-11 11:03:41 +02:00
parent faff175f3e
commit e5e0ced87e
1 changed files with 17 additions and 3 deletions
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20
tests/run-pass/float_fast_math.rs
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@ -3,7 +3,19 @@
use std::intrinsics::{fadd_fast, fsub_fast, fmul_fast, fdiv_fast, frem_fast};
#[inline(never)]
pub fn test_operations(a: f64, b: f64) {
pub fn test_operations_f64(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);
}
}
#[inline(never)]
pub fn test_operations_f32(a: f32, b: f32) {
// make sure they all map to the correct operation
unsafe {
assert_eq!(fadd_fast(a, b), a + b);
@ -15,6 +27,8 @@ pub fn test_operations(a: f64, b: f64) {
}
fn main() {
test_operations(1., 2.);
test_operations(10., 5.);
test_operations_f64(1., 2.);
test_operations_f64(10., 5.);
test_operations_f32(11., 2.);
test_operations_f32(10., 15.);
}