e_powl.c File Reference

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

Include dependency graph for e_powl.c:

Macros
#define	NXT   32
#define	LNXT   5
#define	douba(k)   A[k]
#define	doubb(k)   B[k]
#define	MEXP   (NXT*16384.0L)
#define	MNEXP   (-NXT*(16384.0L+64.0L))
#define	LOG2EA   0.44269504088896340735992L
#define	F   W
#define	Fa   Wa
#define	Fb   Wb
#define	G   W
#define	Ga   Wa
#define	Gb   u
#define	H   W
#define	Ha   Wb
#define	Hb   Wb

Functions
static long double	reducl (long double)
static long double	powil (long double, int)
long double	powl (long double x, long double y)

Variables
static long double	P []
static long double	Q []
static long double	A [33]
static long double	B [17]
static long double	R []
static const long double	MAXLOGL = 1.1356523406294143949492E4L
static const long double	MINLOGL = -1.13994985314888605586758E4L
static const long double	LOGE2L = 6.9314718055994530941723E-1L
static volatile long double	z
static long double	w
static long double	W
static long double	Wa
static long double	Wb
static long double	ya
static long double	yb
static long double	u
static const long double	huge = 0x1p10000L
static volatile long double	twom10000 = 0x1p-10000L

Macro Definition Documentation

douba

#define douba

(

k

)

A[k]

doubb

#define doubb

(

k

)

B[k]

F

#define F   W

Fa

#define Fa   Wa

Fb

#define Fb   Wb

G

#define G   W

Ga

#define Ga   Wa

Gb

#define Gb   u

H

#define H   W

Ha

#define Ha   Wb

Hb

#define Hb   Wb

LNXT

#define LNXT   5

LOG2EA

#define LOG2EA   0.44269504088896340735992L

MEXP

#define MEXP   (NXT*16384.0L)

MNEXP

#define MNEXP   (-NXT*(16384.0L+64.0L))

NXT

#define NXT   32

Function Documentation

powil()

static long double powil ( long double  x, int  nn  )

static

References IEEEl2bits::e, frexpl(), huge, LDBL_MAX, LOGE2L, MAXLOGL, MINLOGL, n, s, and twom10000.

Referenced by powl().

powl()

long double powl	(	long double	x,
		long double	y
	)

References __p1evll(), __polevll(), douba, doubb, IEEEl2bits::e, F, Fa, fabsl(), Fb, floorl(), frexpl(), G, Ga, Gb, H, Ha, Hb, huge, INFINITY, isfinite, isnan, LDBL_MAX, ldexpl(), LNXT, LOG2EA, MEXP, MNEXP, NXT, P, powil(), Q, R, reducl(), signbit, twom10000, w, ya, yb, and z.

Referenced by cpowl(), and stirf().

Here is the caller graph for this function:

reducl()

static long double reducl ( long double  x )

static

References floorl(), ldexpl(), LNXT, and t.

Referenced by powl().

Variable Documentation

A

long double A[33]

static

B

long double B[17]

static

Initial value:

= {
 0.0000000000000000000000E0L,
 2.6176170809902549338711E-20L,
-1.0126791927256478897086E-20L,
 1.3438228172316276937655E-21L,
 1.2207982955417546912101E-20L,
-6.3084814358060867200133E-21L,
 1.3164426894366316434230E-20L,
-1.8527916071632873716786E-20L,
 1.8950325588932570796551E-20L,
 1.5564775779538780478155E-20L,
 6.0859793637556860974380E-21L,
-2.0208749253662532228949E-20L,
 1.4966292219224761844552E-20L,
 3.3540909728056476875639E-21L,
-8.6987564101742849540743E-22L,
-1.2327176863327626135542E-20L,
 0.0000000000000000000000E0L,
}

Referenced by strtoId(), strtoIdd(), strtoIf(), strtoIg(), strtoIQ(), strtoIx(), and strtoIxL().

huge

const long double huge = 0x1p10000L

static

Referenced by powil(), and powl().

LOGE2L

const long double LOGE2L = 6.9314718055994530941723E-1L

static

Referenced by powil().

MAXLOGL

const long double MAXLOGL = 1.1356523406294143949492E4L

static

Referenced by powil().

MINLOGL

const long double MINLOGL = -1.13994985314888605586758E4L

static

Referenced by powil().

P

long double P[]

static

Initial value:

= {
 8.3319510773868690346226E-4L,
 4.9000050881978028599627E-1L,
 1.7500123722550302671919E0L,
 1.4000100839971580279335E0L,
}

Referenced by powl().

Q

long double Q[]

static

Initial value:

= {

 5.2500282295834889175431E0L,
 8.4000598057587009834666E0L,
 4.2000302519914740834728E0L,
}

Referenced by powl().

R

long double R[]

static

Initial value:

= {
 1.5089970579127659901157E-5L,
 1.5402715328927013076125E-4L,
 1.3333556028915671091390E-3L,
 9.6181291046036762031786E-3L,
 5.5504108664798463044015E-2L,
 2.4022650695910062854352E-1L,
 6.9314718055994530931447E-1L,
}

Referenced by powl().

twom10000

volatile long double twom10000 = 0x1p-10000L

static

Referenced by powil(), and powl().

u

long double u

static

Referenced by __fpclassifyd(), __fpclassifyf(), __ieee754_j0(), __ieee754_j0f(), __ieee754_j1(), __ieee754_j1f(), __ieee754_pow(), __ieee754_powf(), __ieee754_rem_pio2l(), __ieee754_y0(), __ieee754_y0f(), __ieee754_y1(), __ieee754_y1f(), __isfinite(), __isfinitef(), __isinff(), __isnanf(), __isnormal(), __isnormalf(), __kernel_tandf(), __signbit(), __signbitf(), acosl(), add_adjusted(), add_and_denormalize(), asinhl(), asinl(), atanhl(), atanl(), cbrt(), cbrtl(), ccheck(), ceill(), coshl(), dec(), erfcl(), erfl(), exp2f(), exp2l(), expm1l(), fabs(), fabsf(), fabsl(), floorl(), fmax(), fmaxf(), fmaxl(), fmin(), fminf(), fminl(), frexpl(), icheck(), ilogbl(), inc(), is_in_nordic_ram(), isinf(), isnan(), Lcheck(), log1p(), log1pf(), log1pl(), logbl(), logl(), main(), nan(), nanf(), nanl(), nextafterl(), nexttoward(), nexttowardf(), powl(), rand64(), rintl(), scalbnl(), sinhl(), sqrtl(), strtod(), strtodI(), strtof(), strtopdd(), tanhl(), tgamma(), truncl(), and ulpdown().

W

long double W

static

w

long double w

static

Referenced by __ieee754_acos(), __ieee754_acosf(), __ieee754_asin(), __ieee754_asinf(), __ieee754_cosh(), __ieee754_coshf(), __ieee754_hypot(), __ieee754_hypotf(), __ieee754_jn(), __ieee754_jnf(), __ieee754_lgamma_r(), __ieee754_lgammaf_r(), __ieee754_log(), __ieee754_log10(), __ieee754_log2(), __ieee754_logf(), __ieee754_pow(), __ieee754_powf(), __ieee754_rem_pio2(), __ieee754_rem_pio2f(), __ieee754_rem_pio2l(), __kernel_cos(), __kernel_cosdf(), __kernel_cosl(), __kernel_sin(), __kernel_sincos(), __kernel_sincosdf(), __kernel_sindf(), __kernel_tan(), __kernel_tandf(), __kernel_tanl(), __strchrnul(), _vsnprintf(), acosl(), asinh(), asinhf(), asinhl(), asinl(), atan(), atanf(), atanl(), b2d(), cacos(), cacosf(), cacosh(), cacoshf(), cacoshl(), cacosl(), casin(), casinf(), casinh(), casinhf(), casinhl(), casinl(), catan(), catanf(), catanh(), catanhf(), catanhl(), catanl(), cbrt(), cbrtl(), ccos(), ccosf(), ccoshl(), ccosl(), cexpl(), clog(), clogf(), clogl(), coshl(), cpow(), cpowf(), cpowl(), csin(), csinf(), csinhl(), csinl(), ctan(), ctanf(), ctanhl(), ctanl(), hypotl(), k_log1p(), k_log1pf(), lgammal_r(), logl(), memchr(), powl(), rint(), rintf(), sinhl(), and stirf().

Wa

long double Wa

static

Wb

long double Wb

static

ya

long double ya

static

Referenced by powl().

yb

long double yb

static

Referenced by powl().

z

volatile long double z

static

Referenced by __exp__D(), __ieee754_acos(), __ieee754_acosf(), __ieee754_atan2(), __ieee754_atan2f(), __ieee754_j0(), __ieee754_j0f(), __ieee754_j1(), __ieee754_j1f(), __ieee754_jn(), __ieee754_jnf(), __ieee754_lgamma_r(), __ieee754_lgammaf_r(), __ieee754_log(), __ieee754_logf(), __ieee754_pow(), __ieee754_powf(), __ieee754_rem_pio2(), __ieee754_rem_pio2f(), __ieee754_rem_pio2l(), __ieee754_sqrt(), __ieee754_sqrtf(), __ieee754_y0(), __ieee754_y0f(), __ieee754_y1(), __ieee754_y1f(), __kernel_cos(), __kernel_cosdf(), __kernel_cosl(), __kernel_rem_pio2(), __kernel_sin(), __kernel_sincos(), __kernel_sincosdf(), __kernel_sindf(), __kernel_sinl(), __kernel_tan(), __kernel_tandf(), __kernel_tanl(), __ldexp_cexp(), __ldexp_cexpf(), _ctans(), _ctansf(), _etoa(), acosl(), atan(), atan2l(), atanf(), atanl(), b2d(), cabs(), cabsf(), cabsl(), cacos(), cacosf(), cacosh(), cacoshf(), cacoshl(), cacosl(), carg(), cargf(), cargl(), casin(), casinf(), casinh(), casinhf(), casinhl(), casinl(), catan(), catanf(), catanh(), catanhf(), catanhl(), catanl(), ccos(), ccosf(), ccosh(), ccoshf(), ccoshl(), ccosl(), cexp(), cexpf(), cexpl(), cimag(), cimagf(), cimagl(), clog(), clogf(), clogl(), CMPLX(), CMPLXF(), CMPLXL(), conj(), conjf(), conjl(), cos(), cosl(), cpow(), cpowf(), cpowl(), cproj(), cprojf(), cprojl(), creal(), crealf(), creall(), csin(), csinf(), csinh(), csinhf(), csinhl(), csinl(), csqrt(), csqrtf(), csqrtl(), ctan(), ctanf(), ctanh(), ctanhf(), ctanhl(), ctanl(), ctansl(), d2b(), diff(), erf(), erfc(), erfcf(), erfcl(), erff(), erfl(), exp2(), exp2f(), exp2l(), fma(), fmaf(), fmal(), g_ddfmt(), k_log1p(), k_log1pf(), lgammal_r(), log10l(), log1p(), log1pf(), log1pl(), log2l(), logl(), lshift(), mult(), multadd(), neg_gam(), pone(), ponef(), powl(), pzero(), pzerof(), qone(), qonef(), quorem(), qzero(), qzerof(), sin(), sin_pi(), sin_pif(), sinl(), strtod(), strtodg(), sum(), tan(), tanh(), tanhf(), tanhl(), tanl(), and tgammal().