Ruby 1.9.3p327(2012-11-10revision37606)
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#include "ruby/config.h"
#include <math.h>
#include <errno.h>
Go to the source code of this file.
Defines | |
#define | PI 3.14159265358979324 |
#define | LOG_2PI 1.83787706640934548 |
#define | N 8 |
#define | B0 1 |
#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 | |
static double | loggamma (double x) |
double | tgamma (double x) |
#define B10 ( 5.0 / 66.0) |
Definition at line 52 of file tgamma.c.
Referenced by loggamma().
#define B12 (-691.0 / 2730.0) |
Definition at line 53 of file tgamma.c.
Referenced by loggamma().
#define B14 ( 7.0 / 6.0) |
Definition at line 54 of file tgamma.c.
Referenced by loggamma().
#define B16 (-3617.0 / 510.0) |
Definition at line 55 of file tgamma.c.
Referenced by loggamma().
#define B2 ( 1.0 / 6.0) |
Definition at line 48 of file tgamma.c.
Referenced by loggamma().
#define B4 (-1.0 / 30.0) |
Definition at line 49 of file tgamma.c.
Referenced by loggamma().
#define B6 ( 1.0 / 42.0) |
Definition at line 50 of file tgamma.c.
Referenced by loggamma().
#define B8 (-1.0 / 30.0) |
Definition at line 51 of file tgamma.c.
Referenced by loggamma().
#define LOG_2PI 1.83787706640934548 |
Definition at line 43 of file tgamma.c.
Referenced by loggamma().
#define N 8 |
Definition at line 44 of file tgamma.c.
Referenced by loggamma().
static double loggamma | ( | double | x | ) | [static] |
double tgamma | ( | double | x | ) |
Definition at line 72 of file tgamma.c.
References errno, loggamma(), PI, and zero().
Referenced by math_gamma().