macros...

tests/pass/float.rs

@@ -12,9 +12,6 @@ use std::fmt::{Debug, Display, LowerHex};
 use std::hint::black_box;
 use std::{f32, f64};
 
-// accept up to 64ULP (16ULP for host floats and 16ULP for artificial error and 32 for any rounding errors)
-const ALLOWED_ULP_DIFF: i128 = 64;
-
 /// Another form of checking if 2 floating point numbers are almost equal to eachother
 /// Using `a` and `b` as floating point numbers:
 ///
@@ -74,7 +71,8 @@ macro_rules! assert_approx_eq {
     }};
 
     ($a:expr, $b: expr) => {
-        assert_approx_eq!($a, $b, ALLOWED_ULP_DIFF);
+        // accept up to 64ULP (16ULP for host floats and 16ULP for artificial error and 32 for any rounding errors)
+        assert_approx_eq!($a, $b, 64); // in macro because of type-checking
     };
 }