#include <float.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include "dd_real.h"

Include dependency graph for dd_real.c:

Macros
#define	_DD_REAL_INIT(A, B) {{A, B}}

#define	LOG_MAX_VALUE 709.782712893384

Functions
void	dd_error (const char *msg)

double2	dd_exp (const double2 a)

double2	dd_exp_d (const double a)

double2	dd_expm1 (const double2 x)

double2	dd_log (const double2 a)

double2	dd_log10 (const double2 a)

double2	dd_log1p (const double2 a)

double2	dd_log_d (double a)

double2	dd_npow (const double2 a, int n)

double2	dd_npwr (const double2 a, int n)

double2	dd_nroot (const double2 a, int n)

double2	dd_polyeval (const double2 *c, int n, const double2 x)

double2	dd_polyroot (const double2 *c, int n, const double2 x0, int max_iter, double thresh)

double2	dd_pow (const double2 a, const double2 b)

double2	dd_rand (void)

double2	dd_sqrt (const double2 a)

double2	dd_sqrt_d (double d)

static double2	expm1_rational_approx (const double2 x)

int	get_double_expn (double x)

Variables
const int	_DD_C_NDIGITS = 31

const double2	DD_C_2PI

const double2	DD_C_3PI4

const double2	DD_C_E

const double	DD_C_EPS = 4.93038065763132e-32

const double2	DD_C_LOG10

const double2	DD_C_LOG2

const double2	DD_C_MAX

const double	DD_C_MIN_NORMALIZED = 2.0041683600089728e-292

const double2	DD_C_NEGONE = _DD_REAL_INIT(-1.0, 0.0)

const double2	DD_C_ONE = _DD_REAL_INIT(1.0, 0.0)

const double2	DD_C_PI

const double2	DD_C_PI16

const double2	DD_C_PI2

const double2	DD_C_PI4

const double2	DD_C_SAFE_MAX

const double2	DD_C_ZERO = _DD_REAL_INIT(0.0, 0.0)

static volatile int	errCount = 0

static const double2	expm1_denom []

static const double2	expm1_numer []

static const double2	inv_fact []

Macro Definition Documentation

◆ _DD_REAL_INIT

#define _DD_REAL_INIT	(	A,
		B
	)	{{A, B}}

Definition at line 33 of file dd_real.c.

◆ LOG_MAX_VALUE

#define LOG_MAX_VALUE 709.782712893384

Definition at line 478 of file dd_real.c.

Function Documentation

◆ dd_error()

void dd_error ( const char * msg )

Definition at line 80 of file dd_real.c.

◆ dd_exp()

double2 dd_exp ( const double2 a )

Definition at line 294 of file dd_real.c.

◆ dd_exp_d()

double2 dd_exp_d ( const double a )

Definition at line 358 of file dd_real.c.

◆ dd_expm1()

double2 dd_expm1 ( const double2 x )

Definition at line 481 of file dd_real.c.

◆ dd_log()

double2 dd_log ( const double2 a )

Definition at line 367 of file dd_real.c.

◆ dd_log10()

double2 dd_log10 ( const double2 a )

Definition at line 422 of file dd_real.c.

◆ dd_log1p()

double2 dd_log1p ( const double2 a )

Definition at line 404 of file dd_real.c.

◆ dd_log_d()

double2 dd_log_d ( double a )

Definition at line 428 of file dd_real.c.

◆ dd_npow()

double2 dd_npow	(	const double2	a,
		int	n
	)

Definition at line 257 of file dd_real.c.

◆ dd_npwr()

double2 dd_npwr	(	const double2	a,
		int	n
	)

Definition at line 219 of file dd_real.c.

◆ dd_nroot()

double2 dd_nroot	(	const double2	a,
		int	n
	)

Definition at line 166 of file dd_real.c.

◆ dd_polyeval()

double2 dd_polyeval	(	const double2 *	c,
		int	n,
		const double2	x
	)

Definition at line 524 of file dd_real.c.

◆ dd_polyroot()

double2 dd_polyroot	(	const double2 *	c,
		int	n,
		const double2	x0,
		int	max_iter,
		double	thresh
	)

Definition at line 544 of file dd_real.c.

◆ dd_pow()

double2 dd_pow	(	const double2	a,
		const double2	b
	)

Definition at line 263 of file dd_real.c.

◆ dd_rand()

double2 dd_rand ( void )

Definition at line 498 of file dd_real.c.

◆ dd_sqrt()

double2 dd_sqrt ( const double2 a )

Definition at line 126 of file dd_real.c.

◆ dd_sqrt_d()

double2 dd_sqrt_d ( double d )

Definition at line 156 of file dd_real.c.

◆ expm1_rational_approx()

static double2 expm1_rational_approx ( const double2 x )

static

Definition at line 465 of file dd_real.c.

◆ get_double_expn()

int get_double_expn ( double x )

Definition at line 90 of file dd_real.c.

Variable Documentation

◆ _DD_C_NDIGITS

const int _DD_C_NDIGITS = 31

Definition at line 44 of file dd_real.c.

◆ DD_C_2PI

const double2 DD_C_2PI

Initial value:

=

_DD_REAL_INIT(6.283185307179586232e+00, 2.449293598294706414e-16)

Definition at line 50 of file dd_real.c.

◆ DD_C_3PI4

const double2 DD_C_3PI4

Initial value:

=

_DD_REAL_INIT(2.356194490192344837e+00, 9.1848509936051484375e-17)

Definition at line 60 of file dd_real.c.

◆ DD_C_E

const double2 DD_C_E

Initial value:

=

_DD_REAL_INIT(2.718281828459045091e+00, 1.445646891729250158e-16)

Definition at line 63 of file dd_real.c.

◆ DD_C_EPS

const double DD_C_EPS = 4.93038065763132e-32

Definition at line 35 of file dd_real.c.

◆ DD_C_LOG10

const double2 DD_C_LOG10

Initial value:

=

_DD_REAL_INIT(2.302585092994045901e+00, -2.170756223382249351e-16)

Definition at line 67 of file dd_real.c.

◆ DD_C_LOG2

const double2 DD_C_LOG2

Initial value:

=

_DD_REAL_INIT(6.931471805599452862e-01, 2.319046813846299558e-17)

Definition at line 65 of file dd_real.c.

◆ DD_C_MAX

const double2 DD_C_MAX

Initial value:

=

_DD_REAL_INIT(1.79769313486231570815e+308, 9.97920154767359795037e+291)

Definition at line 40 of file dd_real.c.

◆ DD_C_MIN_NORMALIZED

const double DD_C_MIN_NORMALIZED = 2.0041683600089728e-292

Definition at line 36 of file dd_real.c.

◆ DD_C_NEGONE

const double2 DD_C_NEGONE = _DD_REAL_INIT(-1.0, 0.0)

Definition at line 48 of file dd_real.c.

◆ DD_C_ONE

const double2 DD_C_ONE = _DD_REAL_INIT(1.0, 0.0)

Definition at line 47 of file dd_real.c.

◆ DD_C_PI

const double2 DD_C_PI

Initial value:

=

_DD_REAL_INIT(3.141592653589793116e+00, 1.224646799147353207e-16)

Definition at line 52 of file dd_real.c.

◆ DD_C_PI16

const double2 DD_C_PI16

Initial value:

=

_DD_REAL_INIT(1.963495408493620697e-01, 7.654042494670957545e-18)

Definition at line 58 of file dd_real.c.

◆ DD_C_PI2

const double2 DD_C_PI2

Initial value:

=

_DD_REAL_INIT(1.570796326794896558e+00, 6.123233995736766036e-17)

Definition at line 54 of file dd_real.c.

◆ DD_C_PI4

const double2 DD_C_PI4

Initial value:

=

_DD_REAL_INIT(7.853981633974482790e-01, 3.061616997868383018e-17)

Definition at line 56 of file dd_real.c.

◆ DD_C_SAFE_MAX

const double2 DD_C_SAFE_MAX

Initial value:

=

_DD_REAL_INIT(1.7976931080746007281e+308, 9.97920154767359795037e+291)

Definition at line 42 of file dd_real.c.

◆ DD_C_ZERO

const double2 DD_C_ZERO = _DD_REAL_INIT(0.0, 0.0)

Definition at line 46 of file dd_real.c.

◆ errCount

volatile int errCount = 0

static

Definition at line 78 of file dd_real.c.

◆ expm1_denom

const double2 expm1_denom[]

static

Initial value:

= {
    {{1.0, 0.0}},
    {{-0.4544126470907431, -2.2553855773661143e-17}},
    {{0.09682713193619222, -4.961446925746919e-19}},
    {{-0.012745248725908178, -6.0676821249478945e-19}},
    {{0.001147361387158326, 1.3575817248483204e-20}},
    {{-7.370416847725892e-05, 3.720369981570573e-21}},
    {{3.4087499397791556e-06, -3.3067348191741576e-23}},
    {{-1.1114024704296196e-07, -3.313361038199987e-24}},
    {{2.3987051614110847e-09, 1.102474920537503e-25}},
    {{-2.947734185911159e-11, -9.4795654767864e-28}},
    {{1.32220659910223e-13, 6.440648413523595e-30}}
}

Definition at line 447 of file dd_real.c.

◆ expm1_numer

const double2 expm1_numer[]

static

Initial value:

= {
    {{-0.028127670288085938, 1.46e-37}},
    {{0.5127815691121048, -4.248816580490825e-17}},
    {{-0.0632631785207471, 4.733650586348708e-18}},
    {{0.01470328560687425, -4.57569727474415e-20}},
    {{-0.0008675686051689528, 2.340010361165805e-20}},
    {{8.812635961829116e-05, 2.619804163788941e-21}},
    {{-2.596308786770631e-06, -1.6196413688647164e-22}},
    {{1.422669108780046e-07, 1.2956999470135368e-23}},
    {{-1.5995603306536497e-09, 5.185121944095551e-26}},
    {{4.526182006900779e-11, -1.9856249941108077e-27}}
}

Definition at line 434 of file dd_real.c.

◆ inv_fact

const double2 inv_fact[]

static

Initial value:

= {
    {{1.66666666666666657e-01,  9.25185853854297066e-18}},
    {{4.16666666666666644e-02,  2.31296463463574266e-18}},
    {{8.33333333333333322e-03,  1.15648231731787138e-19}},
    {{1.38888888888888894e-03, -5.30054395437357706e-20}},
    {{1.98412698412698413e-04,  1.72095582934207053e-22}},
    {{2.48015873015873016e-05,  2.15119478667758816e-23}},
    {{2.75573192239858925e-06, -1.85839327404647208e-22}},
    {{2.75573192239858883e-07,  2.37677146222502973e-23}},
    {{2.50521083854417202e-08, -1.44881407093591197e-24}},
    {{2.08767569878681002e-09, -1.20734505911325997e-25}},
    {{1.60590438368216133e-10,  1.25852945887520981e-26}},
    {{1.14707455977297245e-11,  2.06555127528307454e-28}},
    {{7.64716373181981641e-13,  7.03872877733453001e-30}},
    {{4.77947733238738525e-14,  4.39920548583408126e-31}},
    {{2.81145725434552060e-15,  1.65088427308614326e-31}}
}

Definition at line 272 of file dd_real.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ _DD_REAL_INIT

◆ LOG_MAX_VALUE

Function Documentation

◆ dd_error()

◆ dd_exp()

◆ dd_exp_d()

◆ dd_expm1()

◆ dd_log()

◆ dd_log10()

◆ dd_log1p()

◆ dd_log_d()

◆ dd_npow()

◆ dd_npwr()

◆ dd_nroot()

◆ dd_polyeval()

◆ dd_polyroot()

◆ dd_pow()

◆ dd_rand()

◆ dd_sqrt()

◆ dd_sqrt_d()

◆ expm1_rational_approx()

◆ get_double_expn()

Variable Documentation

◆ _DD_C_NDIGITS

◆ DD_C_2PI

◆ DD_C_3PI4

◆ DD_C_E

◆ DD_C_EPS

◆ DD_C_LOG10

◆ DD_C_LOG2

◆ DD_C_MAX

◆ DD_C_MIN_NORMALIZED

◆ DD_C_NEGONE

◆ DD_C_ONE

◆ DD_C_PI

◆ DD_C_PI16

◆ DD_C_PI2

◆ DD_C_PI4

◆ DD_C_SAFE_MAX

◆ DD_C_ZERO

◆ errCount

◆ expm1_denom

◆ expm1_numer

◆ inv_fact