useful to override op_uminus in Rational impl

kares · kares · commit 84f101bd7bc7 · 2018-03-02T18:37:06.000+01:00
diff --git a/core/src/main/java/org/jruby/RubyRational.java b/core/src/main/java/org/jruby/RubyRational.java
@@ -555,6 +555,11 @@ public final RubyNumeric op_minus(ThreadContext context, RubyRational other) {
     @Deprecated
     public IRubyObject op_sub(ThreadContext context, IRubyObject other) { return op_minus(context, other); }
 
+    @Override
+    public IRubyObject op_uminus(ThreadContext context) {
+        return RubyRational.newRationalNoReduce(context, num.negate(), den);
+    }
+
     /** f_muldiv
      * 
      */
