1 files changed, 0 insertions, 80 deletions
diff --git a/ruby_1_9_3/missing/lgamma_r.c b/ruby_1_9_3/missing/lgamma_r.c
deleted file mode 100644
index 6d2f38f40c..0000000000
--- a/ruby_1_9_3/missing/lgamma_r.c
+++ /dev/null
@@ -1,80 +0,0 @@
-/* lgamma_r.c  - public domain implementation of function lgamma_r(3m)
-
-lgamma_r() is based on gamma().  modified by Tanaka Akira.
-
-reference - Haruhiko Okumura: C-gengo niyoru saishin algorithm jiten
-            (New Algorithm handbook in C language) (Gijyutsu hyouron
-            sha, Tokyo, 1991) [in Japanese]
-            http://oku.edu.mie-u.ac.jp/~okumura/algo/
-*/
-
-#include "ruby/missing.h"
-/***********************************************************
-    gamma.c -- Gamma function
-***********************************************************/
-#include <math.h>
-#include <errno.h>
-#define PI      3.14159265358979324  /* $\pi$ */
-#define LOG_2PI 1.83787706640934548  /* $\log 2\pi$ */
-#define LOG_PI  1.14472988584940017  /* $\log_e \pi$ */
-#define N       8
-
-#define B0  1                 /* Bernoulli numbers */
-#define B1  (-1.0 / 2.0)
-#define B2  ( 1.0 / 6.0)
-#define B4  (-1.0 / 30.0)
-#define B6  ( 1.0 / 42.0)
-#define B8  (-1.0 / 30.0)
-#define B10 ( 5.0 / 66.0)
-#define B12 (-691.0 / 2730.0)
-#define B14 ( 7.0 / 6.0)
-#define B16 (-3617.0 / 510.0)
-
-static double
-loggamma(double x)  /* the natural logarithm of the Gamma function. */
-{
-    double v, w;
-
-    if (x == 1.0 || x == 2.0) return 0.0;
-
-    v = 1;
-    while (x < N) {  v *= x;  x++;  }
-    w = 1 / (x * x);
-    return ((((((((B16 / (16 * 15))  * w + (B14 / (14 * 13))) * w
-                + (B12 / (12 * 11))) * w + (B10 / (10 *  9))) * w
-                + (B8  / ( 8 *  7))) * w + (B6  / ( 6 *  5))) * w
-                + (B4  / ( 4 *  3))) * w + (B2  / ( 2 *  1))) / x
-                + 0.5 * LOG_2PI - log(v) - x + (x - 0.5) * log(x);
-}
-
-
-#ifdef __MINGW_ATTRIB_PURE
-/* get rid of bugs in math.h of mingw */
-#define modf(_X, _Y) __extension__ ({\
-    double intpart_modf_bug = intpart_modf_bug;\
-    double result_modf_bug = modf((_X), &intpart_modf_bug);\
-    *(_Y) = intpart_modf_bug;\
-    result_modf_bug;\
-})
-#endif
-
-/* the natural logarithm of the absolute value of the Gamma function */
-double
-lgamma_r(double x, int *signp)
-{
-    if (x <= 0) {
-        double i, f, s;
-        f = modf(-x, &i);
-        if (f == 0.0) { /* pole error */
-            *signp = 1;
-            errno = ERANGE;
-            return HUGE_VAL;
-        }
-        *signp = (fmod(i, 2.0) != 0.0) ? 1 : -1;
-        s = sin(PI * f);
-        if (s < 0) s = -s;
-        return LOG_PI - log(s) - loggamma(1 - x);
-    }
-    *signp = 1;
-    return loggamma(x);
-}