(b76ad15ed0da636161de0243c547ee1e6fc95681)

#include "ruby/missing.h"
#include <math.h>
#include <errno.h>

Include dependency graph for lgamma_r.c:

Macros
#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)

Functions
double	lgamma_r (double x, int *signp)

Macro Definition Documentation

◆ B0

#define B0 1 /* Bernoulli numbers */

Definition at line 22 of file lgamma_r.c.

◆ B1

#define B1 (-1.0 / 2.0)

Definition at line 23 of file lgamma_r.c.

◆ B10

#define B10 ( 5.0 / 66.0)

Definition at line 28 of file lgamma_r.c.

◆ B12

#define B12 (-691.0 / 2730.0)

Definition at line 29 of file lgamma_r.c.

◆ B14

#define B14 ( 7.0 / 6.0)

Definition at line 30 of file lgamma_r.c.

◆ B16

#define B16 (-3617.0 / 510.0)

Definition at line 31 of file lgamma_r.c.

◆ B2

#define B2 ( 1.0 / 6.0)

Definition at line 24 of file lgamma_r.c.

◆ B4

#define B4 (-1.0 / 30.0)

Definition at line 25 of file lgamma_r.c.

◆ B6

#define B6 ( 1.0 / 42.0)

Definition at line 26 of file lgamma_r.c.

◆ B8

#define B8 (-1.0 / 30.0)

Definition at line 27 of file lgamma_r.c.

◆ LOG_2PI

#define LOG_2PI 1.83787706640934548 /* $\log 2\pi$ */

Definition at line 18 of file lgamma_r.c.

◆ LOG_PI

#define LOG_PI 1.14472988584940017 /* $\log_e \pi$ */

Definition at line 19 of file lgamma_r.c.

◆ N

#define N 8

Definition at line 20 of file lgamma_r.c.

◆ PI

#define PI 3.14159265358979324 /* $\pi$ */

Definition at line 17 of file lgamma_r.c.

Function Documentation

◆ lgamma_r()

double lgamma_r	(	double	x,
		int *	signp
	)

Definition at line 63 of file lgamma_r.c.

References f, HUGE_VAL, LOG_PI, PI, and signbit().