ruby.git/lib/cmath.rb, branch ruby_1_9_2

merges r28698 from trunk into ruby_1_9_2.

2010-07-22T12:31:27+00:00

--
* lib/cmath.rb (CMath#cbrt): cbrt should accept a negative real
  numbers.  [ruby-core:31234]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* complex.c, rational.c, lib/cmath.rb, lib/date.rb lib/date/delta*:

2010-04-26T11:14:40+00:00

	  reverted r27484-27486.  now official spec.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27503 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/cmath.rb: reverted experimental r23900.

2010-04-25T06:59:45+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

use num#i.

2009-08-16T23:12:41+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/cmath.rb (log2, cbrt): added. [experimental]

2009-06-29T16:25:11+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23900 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

reverted.

2009-06-29T16:22:02+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23899 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* complex.c (nucomp_expt): do not use rb_fexpt.

2009-06-29T16:20:32+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23898 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/cmath.rb (sqrt): fixed an issue [ruby-list:45852]

2009-06-28T12:20:02+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23882 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/cmath.rb (exp): omitted redundant function call.

2009-06-11T12:08:30+00:00

	and some adjustments.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/cmath.rb (log10): raised exception when the given number is

2009-06-09T13:43:49+00:00

	  a negative real.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e