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4 commits

Author SHA1 Message Date
mrkn
74365313f7 * ext/bigdecimal/lib/bigdecimal/math.rb (atan), test/bigdecimal/test_bigmath.rb (test_atan): explicitly specify the precision for calculating a reciprocal number of an argument. [Bug #3267] 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-05-11 05:11:59 +00:00
nobu
9803f4f55a * test/bigdecimal/testbase.rb (teardown): should reset all modes. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27496 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2010-04-26 01:55:51 +00:00
nobu
39ea1c8c7c * ext/bigdecimal/lib/bigdecimal/math.rb (atan): atan(Infinity) is 
PI/2.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-23 17:21:26 +00:00
nobu
cd4f59bc5e * ext/bigdecimal/lib/bigdecimal/math.rb (sin, cos, atan, exp, log): 
improved precision and performance.  based on a patch from Makoto
  Yamashita in [ruby-core:25600] and [ruby-core:25602].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2009-09-20 15:07:38 +00:00