New upstream version 1.41.1+dfsg1

[rustc.git] / src / libcore / tests / num / flt2dec / mod.rs

diff --git a/src/libcore/tests/num/flt2dec/mod.rs b/src/libcore/tests/num/flt2dec/mod.rs
index c41d35efced6c908d9b3d8fc2057c948f06638e9..2f94ea2fc4b70494737f01f8e5eb123fc94805ba 100644 (file)
--- a/src/libcore/tests/num/flt2dec/mod.rs
+++ b/src/libcore/tests/num/flt2dec/mod.rs
@@ -1,4 +1,3 @@
-use std::prelude::v1::*;
 use std::{str, i16, f32, f64, fmt};
 
 use core::num::flt2dec::{decode, DecodableFloat, FullDecoded, Decoded};
@@ -85,6 +84,8 @@ fn ldexp_f64(a: f64, b: i32) -> f64 {
     extern {
         fn ldexp(x: f64, n: i32) -> f64;
     }
+    // SAFETY: assuming a correct `ldexp` has been supplied, the given arguments cannot possibly
+    // cause undefined behavior
     unsafe { ldexp(a, b) }
 }
 
@@ -255,7 +256,6 @@ pub fn f32_shortest_sanity_test<F>(mut f: F) where F: FnMut(&Decoded, &mut [u8])
     check_shortest!(f(minf32) => b"1", -44);
 }
 
-#[cfg(not(miri))] // Miri is too slow
 pub fn f32_exact_sanity_test<F>(mut f: F)
         where F: FnMut(&Decoded, &mut [u8], i16) -> (usize, i16) {
     let minf32 = ldexp_f32(1.0, -149);
@@ -361,7 +361,6 @@ pub fn f64_shortest_sanity_test<F>(mut f: F) where F: FnMut(&Decoded, &mut [u8])
     check_shortest!(f(minf64) => b"5", -323);
 }
 
-#[cfg(not(miri))] // Miri is too slow
 pub fn f64_exact_sanity_test<F>(mut f: F)
         where F: FnMut(&Decoded, &mut [u8], i16) -> (usize, i16) {
     let minf64 = ldexp_f64(1.0, -1074);