e_tgammal.c File Reference

#include <float.h>
#include <openlibm_math.h>
#include "math_private.h"

Include dependency graph for e_tgammal.c:

Macros
#define	MAXGAML   1755.455L
#define	MAXSTIR   1024.0L

Functions
static long double	stirf (long double)
long double	tgammal (long double x)

Variables
static long double	P [8]
static long double	Q [9]
static long double	STIR [9]
static const long double	SQTPI = 2.50662827463100050242E0L
static long double	S [9]
static long double	SN [9]
static const long double	PIL = 3.1415926535897932384626L

Macro Definition Documentation

MAXGAML

#define MAXGAML   1755.455L

MAXSTIR

#define MAXSTIR   1024.0L

Function Documentation

stirf()

static long double stirf ( long double  x )

static

References __polevll(), E, expl(), MAXSTIR, powl(), SQTPI, STIR, and w.

Referenced by tgammal().

tgammal()

long double tgammal

(

long double

x

)

References __polevll(), fabsl(), floorl(), INFINITY, isnan, LDBL_MAX, MAXGAML, NAN, p, P, PIL, Q, S, sinl(), SN, stirf(), and z.

Variable Documentation

P

long double P[8]

static

Initial value:

= {
 4.212760487471622013093E-5L,
 4.542931960608009155600E-4L,
 4.092666828394035500949E-3L,
 2.385363243461108252554E-2L,
 1.113062816019361559013E-1L,
 3.629515436640239168939E-1L,
 8.378004301573126728826E-1L,
 1.000000000000000000009E0L,
}

Referenced by tgammal().

PIL

const long double PIL = 3.1415926535897932384626L

static

Referenced by tgammal().

Q

long double Q[9]

static

Initial value:

= {
-1.397148517476170440917E-5L,
 2.346584059160635244282E-4L,
-1.237799246653152231188E-3L,
-7.955933682494738320586E-4L,
 2.773706565840072979165E-2L,
-4.633887671244534213831E-2L,
-2.243510905670329164562E-1L,
 4.150160950588455434583E-1L,
 9.999999999999999999908E-1L,
}

Referenced by tgammal().

S

long double S[9]

static

Initial value:

= {
-1.193945051381510095614E-3L,
 7.220599478036909672331E-3L,
-9.622023360406271645744E-3L,
-4.219773360705915470089E-2L,
 1.665386113720805206758E-1L,
-4.200263503403344054473E-2L,
-6.558780715202540684668E-1L,
 5.772156649015328608253E-1L,
 1.000000000000000000000E0L,
}

Referenced by tgammal().

SN

long double SN[9]

static

Initial value:

= {
 1.133374167243894382010E-3L,
 7.220837261893170325704E-3L,
 9.621911155035976733706E-3L,
-4.219773343731191721664E-2L,
-1.665386113944413519335E-1L,
-4.200263503402112910504E-2L,
 6.558780715202536547116E-1L,
 5.772156649015328608727E-1L,
-1.000000000000000000000E0L,
}

Referenced by tgammal().

SQTPI

const long double SQTPI = 2.50662827463100050242E0L

static

Referenced by stirf().

STIR

long double STIR[9]

static

Initial value:

= {
 7.147391378143610789273E-4L,
-2.363848809501759061727E-5L,
-5.950237554056330156018E-4L,
 6.989332260623193171870E-5L,
 7.840334842744753003862E-4L,
-2.294719747873185405699E-4L,
-2.681327161876304418288E-3L,
 3.472222222230075327854E-3L,
 8.333333333333331800504E-2L,
}

Referenced by stirf().