ruby.git/missing/tgamma.c, branch ruby_2_1

* missing/tgamma.c (tgamma): remove unused variable.

2008-07-02T16:02:52+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tgamma and lgamma_r is not a error function.

2008-06-15T02:18:06+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17164 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/tgamma.c: include config.h before math.h. [ruby-dev:34075]

2008-03-20T16:22:03+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/tgamma.c (tgamma): use lgamma_r if available.

2008-02-09T14:45:43+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/tgamma.c (tgamma): add error check.

2008-02-09T03:07:34+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15414 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* math.c (math_gamma): new method Math.gamma.

2008-02-07T01:43:43+00:00

  (math_lgamma): new method Math.lgamma.

* include/ruby/missing.h (tgamma): declared unless HAVE_TGAMMA.
  (lgamma_r): declared unless HAVE_LGAMMA_R.

* configure.in (tgamma): check for replacement funtions.
  (lgamma_r): ditto.

* missing/tgamma.c: new file.  based on gamma.c from
  "C-gengo niyoru saishin algorithm jiten" (New Algorithm handbook
  in C language) (Gijyutsu hyouron sha, Tokyo, 1991)
  by Haruhiko Okumura.

* missing/lgamma_r.c: ditto.

* LEGAL (missing/tgamma.c): describe as public domain.
  (missing/lgamma_r.c): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15388 b2dd03c8-39d4-4d8f-98ff-823fe69b080e