5 commits

Author	SHA1	Message	Date
mrkn	1c3e07f0d6	* ext/bigdecimal/bigdecimal.c (Init_bigdecimal): add two new constants BigDecimal::INFINITY and BigDecimal::NAN. ... * ext/bigdecimal/lib/bigdecimal/math.rb (BigMath.exp): modify the behaviors for infinity arguments as same as Math.exp. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28533 b2dd03c8-39d4-4d8f-98ff-823fe69b080e	2010-07-03 07:47:00 +00:00
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