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* ext/bigdecimal/lib/bigdecimal/util.rb: [DOC] Document the required

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+precision+ argument for Rational#to_d [Bug #8958]
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M    ChangeLog
M    ext/bigdecimal/lib/bigdecimal/util.rb


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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zzak 2013-11-13 10:23:14 +00:00
parent 4c1e390fa8
commit a369b7f7cb
2 changed files with 12 additions and 3 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Wed Nov 13 19:21:36 2013 Zachary Scott <e@zzak.io>
* ext/bigdecimal/lib/bigdecimal/util.rb: [DOC] Document the required
+precision+ argument for Rational#to_d [Bug #8958]
Wed Nov 13 19:02:05 2013 Zachary Scott <e@zzak.io>
* ext/digest/*: [DOC] Fix several typos and broken http links.

10
ext/bigdecimal/lib/bigdecimal/util.rb
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@ -105,10 +105,14 @@ end
class Rational < Numeric
# call-seq:
# r.to_d -> bigdecimal
# r.to_d(sig) -> bigdecimal
# r.to_d(precision) -> bigdecimal
#
# Converts a Rational to a BigDecimal. Takes an optional parameter +sig+ to
# limit the amount of significant digits.
# Converts a Rational to a BigDecimal.
#
# The required +precision+ parameter is used to determine the amount of
# significant digits for the result. See BigDecimal#div for more information,
# as it is used along with the #denominator and the +precision+ for
# parameters.
#
# r = (22/7.0).to_r
# # => (7077085128725065/2251799813685248)