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2009-09-23* ext/bigdecimal/lib/bigdecimal/math.rb (atan): atan(Infinity) isnobu
PI/2. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-23* ext/bigdecimal/lib/bigdecimal/math.rb (atan): reduce loop withnobu
the formula of the double corner. based on a patch from Masahiro Kanai (CanI) in [ruby-dev:39367]. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25062 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-23* ext/bigdecimal/lib/bigdecimal/math.rb (atan): refined.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25057 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-21* ext/bigdecimal/lib/bigdecimal/{ludcmp,math}.rb: depend onnobu
bigdecimal. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25029 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-21* ext/bigdecimal/lib/bigdecimal/*.rb: made module functions.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-09-20* ext/bigdecimal/lib/bigdecimal/math.rb (sin, cos, atan, exp, log):nobu
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
2009-03-06* {ext,lib,test}/**/*.rb: removed trailing spaces.nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2006-06-29* ext/bigdecimal/bigdecimal.c: add RDoc document. a patch frommatz
mathew <meta at pobox.com>. [ruby-core:07050] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-08-19E added. Typo corrected.shigek
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-08-17Refinement for speedup.shigek
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4401 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-08-15sqrt() & atan() added.shigek
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4394 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-08-14Newly added.shigek
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4388 b2dd03c8-39d4-4d8f-98ff-823fe69b080e