util.rb in bigdecimal-1.4.0.pre.20181121a

- old
+ new

@@ -3,10 +3,12 @@
 #--
 # bigdecimal/util extends various native classes to provide the #to_d method,
 # and provides BigDecimal#to_d and BigDecimal#to_digits.
 #++
 
+require 'bigdecimal'
+require 'bigdecimal/util.so'
 
 class Integer < Numeric
   # call-seq:
   #     int.to_d  -> bigdecimal
   #
@@ -40,12 +42,12 @@
   #     0.5.to_d         # => 0.5e0
   #     1.234.to_d(2)    # => 0.12e1
   #
   # See also BigDecimal::new.
   #
-  def to_d(precision=nil)
-    BigDecimal(self, precision || Float::DIG)
+  def to_d(precision=Float::DIG)
+    BigDecimal(self, precision)
   end
 end
 
 
 class String
@@ -62,16 +64,9 @@
   #     "123.45e1".to_d        # => 0.12345e4
   #     "45.67 degrees".to_d   # => 0.4567e2
   #
   # See also BigDecimal::new.
   #
-  def to_d
-    begin
-      BigDecimal(self)
-    rescue ArgumentError
-      BigDecimal(0)
-    end
-  end
 end
 
 
 class BigDecimal < Numeric
   # call-seq: