s_exp2f.c File Reference

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

Include dependency graph for s_exp2f.c:

Macros
#define	TBLBITS   4
#define	TBLSIZE   (1 << TBLBITS)

Functions
OLM_DLLEXPORT float	exp2f (float x)

Variables
static const float	huge = 0x1p100f
static const float	redux = 0x1.8p23f / TBLSIZE
static const float	P1 = 0x1.62e430p-1f
static const float	P2 = 0x1.ebfbe0p-3f
static const float	P3 = 0x1.c6b348p-5f
static const float	P4 = 0x1.3b2c9cp-7f
static volatile float	twom100 = 0x1p-100f
static const double	exp2ft [TBLSIZE]

Macro Definition Documentation

TBLBITS

#define TBLBITS   4

TBLSIZE

#define TBLSIZE   (1 << TBLBITS)

Function Documentation

exp2f()

OLM_DLLEXPORT float exp2f

(

float

x

)

References exp2ft, GET_FLOAT_WORD, huge, INSERT_WORDS, k, P1, P2, P3, P4, redux, STRICT_ASSIGN, t, TBLBITS, TBLSIZE, twom100, u, and z.

Variable Documentation

exp2ft

const double exp2ft[TBLSIZE]

static

Initial value:

= {
    0x1.6a09e667f3bcdp-1,
    0x1.7a11473eb0187p-1,
    0x1.8ace5422aa0dbp-1,
    0x1.9c49182a3f090p-1,
    0x1.ae89f995ad3adp-1,
    0x1.c199bdd85529cp-1,
    0x1.d5818dcfba487p-1,
    0x1.ea4afa2a490dap-1,
    0x1.0000000000000p+0,
    0x1.0b5586cf9890fp+0,
    0x1.172b83c7d517bp+0,
    0x1.2387a6e756238p+0,
    0x1.306fe0a31b715p+0,
    0x1.3dea64c123422p+0,
    0x1.4bfdad5362a27p+0,
    0x1.5ab07dd485429p+0,
}

Referenced by exp2f().

huge

const float huge = 0x1p100f

static

Referenced by exp2f().

P1

const float P1 = 0x1.62e430p-1f

static

Referenced by exp2f().

P2

const float P2 = 0x1.ebfbe0p-3f

static

Referenced by exp2f().

P3

const float P3 = 0x1.c6b348p-5f

static

Referenced by exp2f().

P4

const float P4 = 0x1.3b2c9cp-7f

static

Referenced by exp2f().

redux

const float redux = 0x1.8p23f / TBLSIZE

static

Referenced by exp2f().

twom100

volatile float twom100 = 0x1p-100f

static

Referenced by exp2f().