util.rb in bigdecimal-1.3.1

- old
+ new

@@ -1,9 +1,14 @@
 # frozen_string_literal: false
-# BigDecimal extends the native Integer class to provide the #to_d method.
 #
-# When you require the BigDecimal library in your application, this method will
+# bigdecimal/util extends various native classes to provide the #to_d method,
+# and provides BigDecimal#to_d and BigDecimal#to_digits.
+
+
+# bigdecimal/util extends the native Integer class to provide the #to_d method.
+#
+# When you require 'bigdecimal/util' in your application, this method will
 # be available on Integer objects.
 class Integer < Numeric
   # call-seq:
   #     int.to_d  -> bigdecimal
   #
@@ -18,13 +23,13 @@
   def to_d
     BigDecimal(self)
   end
 end
 
-# BigDecimal extends the native Float class to provide the #to_d method.
+# bigdecimal/util extends the native Float class to provide the #to_d method.
 #
-# When you require BigDecimal in your application, this method will be
+# When you require 'bigdecimal/util' in your application, this method will be
 # available on Float objects.
 class Float < Numeric
   # call-seq:
   #     flt.to_d  -> bigdecimal
   #
@@ -39,13 +44,13 @@
   def to_d(precision=nil)
     BigDecimal(self, precision || Float::DIG)
   end
 end
 
-# BigDecimal extends the native String class to provide the #to_d method.
+# bigdecimal/util extends the native String class to provide the #to_d method.
 #
-# When you require BigDecimal in your application, this method will be
+# When you require 'bigdecimal/util' in your application, this method will be
 # available on String objects.
 class String
   # call-seq:
   #     string.to_d  -> bigdecimal
   #
@@ -56,18 +61,22 @@
   #
   #     "0.5".to_d
   #     # => 0.5e0
   #
   def to_d
-    BigDecimal(self)
+    begin
+      BigDecimal(self)
+    rescue ArgumentError
+      BigDecimal(0)
+    end
   end
 end
 
-# BigDecimal extends the native Numeric class to provide the #to_digits and
+# bigdecimal/util extends the BigDecimal class to provide the #to_digits and
 # #to_d methods.
 #
-# When you require BigDecimal in your application, this method will be
+# When you require 'bigdecimal/util' in your application, these methods will be
 # available on BigDecimal objects.
 class BigDecimal < Numeric
   # call-seq:
   #     a.to_digits -> string
   #
@@ -97,12 +106,12 @@
   def to_d
     self
   end
 end
 
-# BigDecimal extends the native Rational class to provide the #to_d method.
+# bigdecimal/util extends the native Rational class to provide the #to_d method.
 #
-# When you require BigDecimal in your application, this method will be
+# When you require 'bigdecimal/util' in your application, this method will be
 # available on Rational objects.
 class Rational < Numeric
   # call-seq:
   #   r.to_d(precision)   -> bigdecimal
   #