lib/hpsqrt.rb in hpsqrt-1.4.0 vs lib/hpsqrt.rb in hpsqrt-1.5.0

@@ -176,11 +176,11 @@
   def expr
     value_to_s = -> (v) {
       if Complex===v && v.imag.zero?
         v = v.real
       end
-      if Rational===v
-        v = v.to_s.sub(/\/1$/, "")
+      if Rational===v && v.denominator==1
+        v = v.numerator
       end
       v = v.to_s
       if v !~ /^[\d\.]+$/
         v = "(%s)" % v
       end