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4 Commits

Author SHA1 Message Date
mame d0c2b919ed * missing/tgamma.c: include config.h before math.h. [ruby-dev:34075] 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-03-20 16:22:03 +00:00
akr d44f24c47c * missing/tgamma.c (tgamma): use lgamma_r if available. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15420 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-02-09 14:45:43 +00:00
akr 0e66903fca * missing/tgamma.c (tgamma): add error check. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15414 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2008-02-09 03:07:34 +00:00
akr 14373fc4db * math.c (math_gamma): new method Math.gamma. 
(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
 2008-02-07 01:43:43 +00:00