s_exp2.c File Reference

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

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Macros
#define	TBLBITS   8
#define	TBLSIZE   (1 << TBLBITS)

Functions
OLM_DLLEXPORT double	exp2 (double x)

Variables
static const double	huge = 0x1p1000
static const double	redux = 0x1.8p52 / TBLSIZE
static const double	P1 = 0x1.62e42fefa39efp-1
static const double	P2 = 0x1.ebfbdff82c575p-3
static const double	P3 = 0x1.c6b08d704a0a6p-5
static const double	P4 = 0x1.3b2ab88f70400p-7
static const double	P5 = 0x1.5d88003875c74p-10
static volatile double	twom1000 = 0x1p-1000
static const double	tbl [TBLSIZE *2]

Macro Definition Documentation

TBLBITS

#define TBLBITS   8

TBLSIZE

#define TBLSIZE   (1 << TBLBITS)

Function Documentation

exp2()

OLM_DLLEXPORT double exp2

(

double

x

)

References GET_HIGH_WORD, GET_LOW_WORD, huge, INSERT_WORDS, k, P1, P2, P3, P4, P5, r, redux, STRICT_ASSIGN, t, tbl, TBLBITS, TBLSIZE, twom1000, and z.

Referenced by _etoa(), exp2_test(), and exp2l().

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Variable Documentation

huge

const double huge = 0x1p1000

static

Referenced by exp2().

P1

const double P1 = 0x1.62e42fefa39efp-1

static

Referenced by exp2().

P2

const double P2 = 0x1.ebfbdff82c575p-3

static

Referenced by exp2().

P3

const double P3 = 0x1.c6b08d704a0a6p-5

static

Referenced by exp2().

P4

const double P4 = 0x1.3b2ab88f70400p-7

static

Referenced by exp2().

P5

const double P5 = 0x1.5d88003875c74p-10

static

Referenced by exp2().

redux

const double redux = 0x1.8p52 / TBLSIZE

static

Referenced by exp2().

tbl

const double tbl[TBLSIZE *2]

static

Referenced by exp2().

twom1000

volatile double twom1000 = 0x1p-1000

static

Referenced by exp2().