k_rem_pio2.c File Reference

#include "math_libm.h"
#include "math_private.h"

Go to the source code of this file.

Functions
	for (i=0;i<=jk;i++)
	if (q0 > 0)
else	if (q0==0)
	if (z==zero)
	if (z >=two24)
	switch (prec)

Variables
recompute	__pad0__
int	e0
	else
double	f [20] = (j < 0) ? zero : (double) ipio2[j]
double	fq [20]
double	fw = scalbn(one, q0)
	i
	ih = 0
static int	init_jk [] = { 2, 3, 4, 6 }
int32_t	ipio2 []
	iq [i] = (int32_t) (z - two24 * fw)
	j = jv - jx
	jk = init_jk[prec]
	jp = jk
	jv = (e0 - 3) / 24
	jx = nx - 1
	jz = jk
	m = jx + jk
	n = (int32_t) z
int	nx
static double	one = 1.0
static double	PIo2 []
int	prec
double	q [20]
	q0 = e0 - 24 * (jv + 1)
static double	two24 = 1.67772160000000000000e+07
static double	twon24 = 5.96046447753906250000e-08
int attribute_hidden double	x []
int attribute_hidden double	y []
double	z
static double	zero = 0.0

Function Documentation

for

(

i

= 0; i <= jk; i++

)

Definition at line 201 of file k_rem_pio2.c.

References fw, i, and jx.

if	(	q0	,
		0
	)

Definition at line 222 of file k_rem_pio2.c.

References i, and q0.

else if

(

q0

= = 0

)

Definition at line 227 of file k_rem_pio2.c.

if

(

z

= = zero

)

Definition at line 263 of file k_rem_pio2.c.

References fw, i, jk, jx, and k.

if

(

z >=

two24

)

Definition at line 291 of file k_rem_pio2.c.

References jz, two24, and twon24.

switch

(

prec

)

Definition at line 316 of file k_rem_pio2.c.

References fw, i, and jz.

Variable Documentation

recompute __pad0__

Definition at line 210 of file k_rem_pio2.c.

int e0

Definition at line 176 of file k_rem_pio2.c.

else

Initial value:

{                    
        z = scalbn(z, -q0)

Definition at line 289 of file k_rem_pio2.c.

f[i] = (j < 0) ? zero : (double) ipio2[j]

Definition at line 179 of file k_rem_pio2.c.

double fq[20]

Definition at line 179 of file k_rem_pio2.c.

fw = scalbn(one, q0)

Definition at line 179 of file k_rem_pio2.c.

Referenced by for(), if(), and switch().

i

Definition at line 210 of file k_rem_pio2.c.

ih = 0

Definition at line 221 of file k_rem_pio2.c.

int init_jk[] = { 2, 3, 4, 6 }

static

Definition at line 142 of file k_rem_pio2.c.

int32_t ipio2[]

Definition at line 177 of file k_rem_pio2.c.

else iq = (int32_t) (z - two24 * fw)

Definition at line 212 of file k_rem_pio2.c.

j = jv - jx

Definition at line 195 of file k_rem_pio2.c.

jk = init_jk[prec]

Definition at line 184 of file k_rem_pio2.c.

Referenced by if().

jp = jk

Definition at line 185 of file k_rem_pio2.c.

jv = (e0 - 3) / 24

Definition at line 189 of file k_rem_pio2.c.

jx = nx - 1

Definition at line 188 of file k_rem_pio2.c.

Referenced by for(), and if().

jz = jk

Definition at line 207 of file k_rem_pio2.c.

Referenced by CPU_haveCPUID(), if(), and switch().

m = jx + jk

Definition at line 196 of file k_rem_pio2.c.

n = (int32_t) z

Definition at line 219 of file k_rem_pio2.c.

int nx

Definition at line 176 of file k_rem_pio2.c.

double one = 1.0

static

Definition at line 165 of file k_rem_pio2.c.

double PIo2[]

static

Initial value:

= {

    1.57079625129699707031e+00, 
    7.54978941586159635335e-08, 
    5.39030252995776476554e-15, 
    3.28200341580791294123e-22, 
    1.27065575308067607349e-29, 
    1.22933308981111328932e-36, 
    2.73370053816464559624e-44, 
    2.16741683877804819444e-51, 
}

Definition at line 148 of file k_rem_pio2.c.

int prec

Definition at line 176 of file k_rem_pio2.c.

Referenced by TSymbolTable::getDefaultPrecision(), and TSymbolTable::setDefaultPrecision().

double q[20]

Definition at line 179 of file k_rem_pio2.c.

q0 = e0 - 24 * (jv + 1)

Definition at line 192 of file k_rem_pio2.c.

Referenced by if().

double two24 = 1.67772160000000000000e+07

static

Definition at line 165 of file k_rem_pio2.c.

Referenced by if().

double twon24 = 5.96046447753906250000e-08

static

Definition at line 166 of file k_rem_pio2.c.

Referenced by if().

int attribute_hidden double x[]

Definition at line 175 of file k_rem_pio2.c.

int attribute_hidden double y[]

Definition at line 175 of file k_rem_pio2.c.

z

Initial value:

{
    int32_t jz, jx, jv, jp, jk, carry, n, iq[20], i, j, k, m, q0, ih

Definition at line 179 of file k_rem_pio2.c.

double zero = 0.0

static

Definition at line 165 of file k_rem_pio2.c.