diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-02-07 01:43:43 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-02-07 01:43:43 +0000 |
| commit | 14373fc4db7440d39db4fd39297f2ed44cc990f2 (patch) | |
| tree | 966d984fadcafb2d9046a161b1e170d99904a592 /include/ruby/missing.h | |
| parent | b88ecbcffc30fdf8b5743003563e10a347c05b03 (diff) | |
* 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
Diffstat (limited to 'include/ruby/missing.h')
| -rw-r--r-- | include/ruby/missing.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/ruby/missing.h b/include/ruby/missing.h index da38a3ef5d..cfa430d5d5 100644 --- a/include/ruby/missing.h +++ b/include/ruby/missing.h @@ -79,6 +79,14 @@ extern double erf(double); extern double erfc(double); #endif +#ifndef HAVE_TGAMMA +extern double tgamma(double); +#endif + +#ifndef HAVE_LGAMMA_R +extern double lgamma_r(double, int *); +#endif + #ifndef isinf # ifndef HAVE_ISINF # if defined(HAVE_FINITE) && defined(HAVE_ISNAN) |