lib/polyfill/v2_4/integer.rb in polyfill-0.6.0 vs lib/polyfill/v2_4/integer.rb in polyfill-0.7.0

@@ -1,9 +1,59 @@
-require_relative 'integer/instance'
-
 module Polyfill
   module V2_4
     module Integer
-      include Instance
+      def ceil(ndigits = 0)
+        ndigits = ndigits.to_int
+        return super() if ndigits == 0
+        return to_f if ndigits > 0
+
+        place = 10**-ndigits
+        (to_f / place).ceil * place
+      end
+
+      def digits(base = 10)
+        base = base.to_int
+        raise Math::DomainError, 'out of domain' if self < 0
+        raise ArgumentError, 'negative radix' if base < 0
+        raise ArgumentError, "invalid radix #{base}" if base < 2
+
+        acc = []
+        remainder = self
+        while remainder > 0
+          remainder, value = remainder.divmod(base)
+          acc.push(value)
+        end
+        acc
+      end
+
+      def floor(ndigits = 0)
+        ndigits = ndigits.to_int
+        return super() if ndigits == 0
+        return to_f if ndigits > 0
+
+        place = 10**-ndigits
+        (to_f / place).floor * place
+      end
+
+      def round(ndigits = 0, half: nil)
+        unless [nil, :down, :even, :up, 'down', 'even', 'up'].include?(half)
+          raise ArgumentError, "invalid rounding mode: #{half}"
+        end
+        ndigits = ndigits.to_int
+        return super() if ndigits == 0
+        return to_f if ndigits > 0
+
+        place = 10**-ndigits
+        (to_f / place).round * place
+      end
+
+      def truncate(ndigits = 0)
+        ndigits = ndigits.to_int
+        return super() if ndigits == 0
+        return to_f if ndigits > 0
+
+        place = 10**-ndigits
+        (to_f / place).truncate * place
+      end
     end
   end
 end