s_exp2l.c File Reference

#include "cdefs-compat.h"
#include <float.h>
#include <openlibm_math.h>
#include <stdint.h>
#include "fpmath.h"
#include "math_private.h"

Include dependency graph for s_exp2l.c:

Macros
#define	TBLBITS   7
#define	TBLSIZE   (1 << TBLBITS)
#define	BIAS   (LDBL_MAX_EXP - 1)
#define	EXPMASK   (BIAS + LDBL_MAX_EXP)

Functions
OLM_DLLEXPORT long double	exp2l (long double x)

Variables
static volatile long double	twom10000 = 0x1p-10000L
static const long double	huge = 0x1p10000L
static const long double	P1 = 0x1.62e42fefa39ef35793c7673007e6p-1L
static const long double	P2 = 0x1.ebfbdff82c58ea86f16b06ec9736p-3L
static const long double	P3 = 0x1.c6b08d704a0bf8b33a762bad3459p-5L
static const long double	P4 = 0x1.3b2ab6fba4e7729ccbbe0b4f3fc2p-7L
static const long double	P5 = 0x1.5d87fe78a67311071dee13fd11d9p-10L
static const long double	P6 = 0x1.430912f86c7876f4b663b23c5fe5p-13L
static const double	P7 = 0x1.ffcbfc588b041p-17
static const double	P8 = 0x1.62c0223a5c7c7p-20
static const double	P9 = 0x1.b52541ff59713p-24
static const double	P10 = 0x1.e4cf56a391e22p-28
static const double	redux = 0x1.8p112 / TBLSIZE
static const long double	tbl [TBLSIZE]
static const float	eps [TBLSIZE]

Macro Definition Documentation

BIAS

#define BIAS   (LDBL_MAX_EXP - 1)

EXPMASK

#define EXPMASK   (BIAS + LDBL_MAX_EXP)

TBLBITS

#define TBLBITS   7

TBLSIZE

#define TBLSIZE   (1 << TBLBITS)

Function Documentation

exp2l()

OLM_DLLEXPORT long double exp2l

(

long double

x

)

References BIAS, IEEEl2bits::e, eps, EXPMASK, huge, k, LDBL_MAX_EXP, LDBL_MIN_EXP, P1, P10, P2, P3, P4, P5, P6, P7, P8, P9, r, redux, t, tbl, TBLBITS, TBLSIZE, twom10000, u, IEEEl2bits::xbits, and z.

Variable Documentation

eps

const float eps[TBLSIZE]

static

Referenced by dtoa(), exp2l(), and gdtoa().

huge

const long double huge = 0x1p10000L

static

Referenced by exp2l().

P1

const long double P1 = 0x1.62e42fefa39ef35793c7673007e6p-1L

static

Referenced by exp2l().

P10

const double P10 = 0x1.e4cf56a391e22p-28

static

Referenced by exp2l().

P2

const long double P2 = 0x1.ebfbdff82c58ea86f16b06ec9736p-3L

static

Referenced by exp2l().

P3

const long double P3 = 0x1.c6b08d704a0bf8b33a762bad3459p-5L

static

Referenced by exp2l().

P4

const long double P4 = 0x1.3b2ab6fba4e7729ccbbe0b4f3fc2p-7L

static

Referenced by exp2l().

P5

const long double P5 = 0x1.5d87fe78a67311071dee13fd11d9p-10L

static

Referenced by exp2l().

P6

const long double P6 = 0x1.430912f86c7876f4b663b23c5fe5p-13L

static

Referenced by exp2l().

P7

const double P7 = 0x1.ffcbfc588b041p-17

static

Referenced by exp2l().

P8

const double P8 = 0x1.62c0223a5c7c7p-20

static

Referenced by exp2l().

P9

const double P9 = 0x1.b52541ff59713p-24

static

Referenced by exp2l().

redux

const double redux = 0x1.8p112 / TBLSIZE

static

Referenced by exp2l().

tbl

const long double tbl[TBLSIZE]

static

Referenced by exp2l().

twom10000

volatile long double twom10000 = 0x1p-10000L

static

Referenced by exp2l().