some cleanup

Author: LorrensP-2158466

library/std/tests/floats/f32.rs

@@ -539,9 +539,17 @@ fn test_log2() {
     let nan: f32 = f32::NAN;
     let inf: f32 = f32::INFINITY;
     let neg_inf: f32 = f32::NEG_INFINITY;
-    assert_approx_eq!(10.0f32.log2(), 3.321928, APPROX_DELTA);
+    assert_approx_eq!(
+        10.0f32.log2(),
+        3.321928,
+        APPROX_DELTA /* Miri float-non-det: Make tests pass for now */
+    );
     assert_approx_eq!(2.3f32.log2(), 1.201634);
-    assert_approx_eq!(1.0f32.exp().log2(), 1.442695, APPROX_DELTA);
+    assert_approx_eq!(
+        1.0f32.exp().log2(),
+        1.442695,
+        APPROX_DELTA /* Miri float-non-det: Make tests pass for now */
+    );
     assert!(nan.log2().is_nan());
     assert_eq!(inf.log2(), inf);
     assert!(neg_inf.log2().is_nan());
@@ -704,5 +712,9 @@ fn test_real_consts() {
     assert_approx_eq!(log2_e, e.log2());
     assert_approx_eq!(log10_e, e.log10());
     assert_approx_eq!(ln_2, 2f32.ln());
-    assert_approx_eq!(ln_10, 10f32.ln(), APPROX_DELTA);
+    assert_approx_eq!(
+        ln_10,
+        10f32.ln(),
+        APPROX_DELTA /* Miri float-non-det: Make tests pass for now */
+    );
 }

src/tools/miri/tests/pass/float.rs

@@ -51,7 +51,7 @@ macro_rules! assert_approx_eq {
 /// s | 1111 1111 | 0x..x
 /// ````
 /// Were at least one `x` is a 1.
-/// 
+///
 /// This sNaN has the following representation and is used for testing purposes.:
 /// ```
 /// 0 | 1111111 | 01..0