Restore comment syntax

Author: termoshtt

src/assert.rs

@@ -87,6 +87,10 @@ macro_rules! generate_assert {
             ($test: expr,$truth: expr,$tol: expr) => {
                 $crate::$close($test, $truth, $tol);
             };
+            ($test: expr,$truth: expr,$tol: expr; $comment: expr) => {
+                eprintln!($comment);
+                $crate::$close($test, $truth, $tol);
+            };
         }
     };
 } // generate_assert!

tests/opnorm.rs

@@ -6,9 +6,9 @@ fn test(a: Array2<f64>, one: f64, inf: f64, fro: f64) {
     println!("ONE = {:?}", a.opnorm_one());
     println!("INF = {:?}", a.opnorm_inf());
     println!("FRO = {:?}", a.opnorm_fro());
-    assert_rclose!(a.opnorm_one().unwrap(), one, 1e-7);
-    assert_rclose!(a.opnorm_inf().unwrap(), inf, 1e-7);
-    assert_rclose!(a.opnorm_fro().unwrap(), fro, 1e-7);
+    assert_rclose!(a.opnorm_one().unwrap(), one, 1e-7; "One norm");
+    assert_rclose!(a.opnorm_inf().unwrap(), inf, 1e-7; "Infinity norm");
+    assert_rclose!(a.opnorm_fro().unwrap(), fro, 1e-7; "Frobenius norm");
 }
 
 fn gen(i: usize, j: usize, rev: bool) -> Array2<f64> {