Document behaviour of .round at mid-points

Raku · Sep 27, 2016 · f907bcd · f907bcd
1 parent 1c9b0e3
commit f907bcd
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/doc/Type/Cool.pod6 b/doc/Type/Cool.pod6
@@ -589,6 +589,13 @@ C<$unit>. If C<$unit> is 1, rounds to the nearest integer.
     say 1.07.round(0.1);    # 1.1
     say 21.round(10);       # 20
 
+Always rounds B<up> if the number is at mid-point:
+
+    say (−.5 ).round;       # 0
+    say ( .5 ).round;       # 1
+    say (−.55).round(.1);   # -0.5
+    say ( .55).round(.1);   # 0.6
+
 =head2 routine floor
 
 Defined as: