tgamma.c File Reference

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

Go to the source code of this file.

Macros
#define	PI   3.14159265358979324 /* $\pi$ */
#define	LOG_2PI   1.83787706640934548 /* $\log 2\pi$ */
#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	tgamma (double x)

Macro Definition Documentation

B0

#define B0   1 /* Bernoulli numbers */

Definition at line 39 of file tgamma.c.

B1

#define B1   (-1.0 / 2.0)

Definition at line 40 of file tgamma.c.

B10

#define B10   ( 5.0 / 66.0)

Definition at line 45 of file tgamma.c.

B12

#define B12   (-691.0 / 2730.0)

Definition at line 46 of file tgamma.c.

B14

#define B14   ( 7.0 / 6.0)

Definition at line 47 of file tgamma.c.

B16

#define B16   (-3617.0 / 510.0)

Definition at line 48 of file tgamma.c.

B2

#define B2   ( 1.0 / 6.0)

Definition at line 41 of file tgamma.c.

B4

#define B4   (-1.0 / 30.0)

Definition at line 42 of file tgamma.c.

B6

#define B6   ( 1.0 / 42.0)

Definition at line 43 of file tgamma.c.

B8

#define B8   (-1.0 / 30.0)

Definition at line 44 of file tgamma.c.

LOG_2PI

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

Definition at line 36 of file tgamma.c.

N

#define N   8

Definition at line 37 of file tgamma.c.

PI

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

Definition at line 35 of file tgamma.c.

Function Documentation

tgamma()

double tgamma

(

double

x

)

Definition at line 66 of file tgamma.c.

References domain_error, errno, and isinf().