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

* missing/lgamma_r.c (lgamma_r): get rid of false warning on mingw.

2011-05-18T13:35:13+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31625 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/*.c: include missing.h

2010-07-28T08:12:01+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28771 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/lgamma_r.c (loggamma): return 0 for 1 and 2.

2008-03-06T05:53:03+00:00

* test/ruby/test_math.rb: accept errors by functions under missing/.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/xlgamma_r.c (lgamma_r): return HUGE_VAL for non-positive

2008-02-09T02:10:57+00:00

  integers.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15411 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/lgamma_r.c (lgamma_r): use smaller argument for sin function.

2008-02-08T14:53:09+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15407 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* missing/lgamma_r.c (lgamma_r): some compilers don't permit dividing

2008-02-07T02:14:54+00:00

	  by literal 0.0. use const variable instead.

	* {bcc32,win32,wince}/Makefile.sub (MISSING): add lgamma_r.obj and
	  tgamma.obj.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15390 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