s_log1pl.c File Reference

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

Include dependency graph for s_log1pl.c:

Macros
#define	SQRTH   0.70710678118654752440L

Functions
long double	log1pl (long double xm1)

Variables
static long double	P []
static long double	Q []
static long double	R [4]
static long double	S [4]
static const long double	C1 = 6.9314575195312500000000E-1L
static const long double	C2 = 1.4286068203094172321215E-6L

Macro Definition Documentation

SQRTH

#define SQRTH   0.70710678118654752440L

Function Documentation

log1pl()

long double log1pl

(

long double

xm1

)

References __p1evll(), __polevll(), C1, C2, IEEEl2bits::e, frexpl(), INFINITY, isnan, NAN, P, Q, R, S, SQRTH, and z.

Referenced by acoshl(), asinhl(), and atanhl().

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Variable Documentation

C1

const long double C1 = 6.9314575195312500000000E-1L

static

Referenced by log1pl().

C2

const long double C2 = 1.4286068203094172321215E-6L

static

Referenced by log1pl().

P

long double P[]

static

Initial value:

= {
 4.5270000862445199635215E-5L,
 4.9854102823193375972212E-1L,
 6.5787325942061044846969E0L,
 2.9911919328553073277375E1L,
 6.0949667980987787057556E1L,
 5.7112963590585538103336E1L,
 2.0039553499201281259648E1L,
}

Referenced by log1pl().

Q

long double Q[]

static

Initial value:

= {

 1.5062909083469192043167E1L,
 8.3047565967967209469434E1L,
 2.2176239823732856465394E2L,
 3.0909872225312059774938E2L,
 2.1642788614495947685003E2L,
 6.0118660497603843919306E1L,
}

Referenced by log1pl().

R

long double R[4]

static

Initial value:

= {
 1.9757429581415468984296E-3L,
-7.1990767473014147232598E-1L,
 1.0777257190312272158094E1L,
-3.5717684488096787370998E1L,
}

Referenced by log1pl().

S

long double S[4]

static

Initial value:

= {

-2.6201045551331104417768E1L,
 1.9361891836232102174846E2L,
-4.2861221385716144629696E2L,
}

Referenced by log1pl().