#include "gd_qnan.h"
#include "gdtoa.h"
#include "stdlib.h"
#include "string.h"
#include "errno.h"
#include "float.h"
#include "math.h"

Include dependency graph for gdtoaimp.h:

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Go to the source code of this file.

Classes
union	U

struct	Bigint

Macros
#define	Char void

#define	MALLOC malloc

#define	word0(x) ((U*)&x)->L[0]

#define	word1(x) ((U*)&x)->L[1]

#define	dval(x) ((U*)&x)->d

#define	Storeinc(a, b, c) (((unsigned short)a)[0] = (unsigned short)b, ((unsigned short)a)[1] = (unsigned short)c, a++)

#define	Sudden_Underflow

#define	Flt_Rounds 1

#define	Exp_shift 23

#define	Exp_shift1 7

#define	Exp_msk1 0x80

#define	Exp_msk11 0x800000

#define	Exp_mask 0x7f80

#define	P 56

#define	Bias 129

#define	Exp_1 0x40800000

#define	Exp_11 0x4080

#define	Ebits 8

#define	Frac_mask 0x7fffff

#define	Frac_mask1 0xffff007f

#define	Ten_pmax 24

#define	Bletch 2

#define	Bndry_mask 0xffff007f

#define	Bndry_mask1 0xffff007f

#define	LSB 0x10000

#define	Sign_bit 0x8000

#define	Log2P 1

#define	Tiny0 0x80

#define	Tiny1 0

#define	Quick_max 15

#define	Int_max 15

#define	ROUND_BIASED

#define	rounded_product(a, b) a *= b

#define	rounded_quotient(a, b) a /= b

#define	Big0 (Frac_mask1 \| Exp_msk1 * (DBL_MAX_EXP + Bias - 1))

#define	Big1 0xffffffff

#define	Pack_32

#define	Llong long long

#define	ULLong unsigned Llong

#define	ULbits 32

#define	kshift 5

#define	kmask 31

#define	ALL_ON 0xffffffff

#define	ACQUIRE_DTOA_LOCK(n) /nothing/

#define	FREE_DTOA_LOCK(n) /nothing/

#define	Kmax 15

#define	Bcopy(x, y) memcpy(&x->sign, &y->sign, (size_t)(y->wds) * sizeof(ULong) + 2 * sizeof(int))

#define	Balloc Balloc_D2A

#define	Bfree Bfree_D2A

#define	ULtoQ ULtoQ_D2A

#define	ULtof ULtof_D2A

#define	ULtod ULtod_D2A

#define	ULtodd ULtodd_D2A

#define	ULtox ULtox_D2A

#define	ULtoxL ULtoxL_D2A

#define	any_on any_on_D2A

#define	b2d b2d_D2A

#define	bigtens bigtens_D2A

#define	cmp cmp_D2A

#define	copybits copybits_D2A

#define	d2b d2b_D2A

#define	decrement decrement_D2A

#define	diff diff_D2A

#define	dtoa_result dtoa_result_D2A

#define	g__fmt g__fmt_D2A

#define	gethex gethex_D2A

#define	hexdig hexdig_D2A

#define	hexnan hexnan_D2A

#define	hi0bits(x) hi0bits_D2A((ULong)(x))

#define	i2b i2b_D2A

#define	increment increment_D2A

#define	lo0bits lo0bits_D2A

#define	lshift lshift_D2A

#define	match match_D2A

#define	mult mult_D2A

#define	multadd multadd_D2A

#define	nrv_alloc nrv_alloc_D2A

#define	pow5mult pow5mult_D2A

#define	quorem quorem_D2A

#define	ratio ratio_D2A

#define	rshift rshift_D2A

#define	rv_alloc rv_alloc_D2A

#define	s2b s2b_D2A

#define	set_ones set_ones_D2A

#define	strcp strcp_D2A

#define	strtoIg strtoIg_D2A

#define	sum sum_D2A

#define	tens tens_D2A

#define	tinytens tinytens_D2A

#define	tinytens tinytens_D2A

#define	trailz trailz_D2A

#define	ulp ulp_D2A

#define	SI 1

Typedefs
typedef struct Bigint	Bigint

Functions
Bigint *Balloc	ANSI ((int))

void Bfree	ANSI ((Bigint *))

void ULtof	ANSI ((ULong , const ULong , Long, int))

void ULtodd	ANSI ((ULong , ULong , Long, int))

void ULtox	ANSI ((UShort , const ULong , Long, int))

ULong any_on	ANSI ((Bigint *, int))

double b2d	ANSI ((Bigint , int ))

int cmp	ANSI ((Bigint , Bigint ))

void copybits	ANSI ((ULong , int, Bigint ))

Bigint *d2b	ANSI ((double, int , int ))

char *dtoa	ANSI ((double d, int mode, int ndigits, int decpt, int sign, char **rve))

char *g__fmt	ANSI ((char , char , const char *, int, ULong))

int gethex	ANSI ((CONST char *, FPI , Long , Bigint *, int))

void	hexdig_init_D2A (Void)

int hexnan	ANSI ((CONST char *, FPI , ULong *))

int hi0bits_D2A	ANSI ((ULong))

int lo0bits	ANSI ((ULong *))

int match	ANSI ((CONST char *, char ))

Bigint *multadd	ANSI ((Bigint *, int, int))

char *nrv_alloc	ANSI ((char , char *, int))

Bigint *s2b	ANSI ((CONST char *, int, int, ULong))

char *strcp	ANSI ((char , const char ))

int strtoIg	ANSI ((CONST char , char , FPI , Long , Bigint , int ))

double strtod	ANSI ((const char s00, char *se))

double ulp	ANSI ((double))

Variables
Exactly one of	IEEE_8087

Exactly one of	IEEE_MC68k

Exactly one of	VAX

char *	dtoa_result

CONST double	bigtens []

CONST double	tens []

CONST double	tinytens []

unsigned char	hexdig []

Class Documentation

◆ U

union U

Definition at line 284 of file gdtoaimp.h.

Collaboration diagram for U:

Class Members
double	d
ULong	L[2]

◆ Bigint

struct Bigint

Definition at line 484 of file gdtoaimp.h.

Collaboration diagram for Bigint:

Class Members
int	k
int	maxwds
struct Bigint *	next
int	sign
int	wds
ULong	x[1]

Macro Definition Documentation

◆ ACQUIRE_DTOA_LOCK

#define ACQUIRE_DTOA_LOCK ( n ) /*nothing*/

Definition at line 478 of file gdtoaimp.h.

◆ ALL_ON

#define ALL_ON 0xffffffff

Definition at line 469 of file gdtoaimp.h.

◆ any_on

#define any_on any_on_D2A

Definition at line 512 of file gdtoaimp.h.

◆ b2d

#define b2d b2d_D2A

Definition at line 513 of file gdtoaimp.h.

◆ Balloc

#define Balloc Balloc_D2A

Definition at line 504 of file gdtoaimp.h.

◆ Bcopy

#define Bcopy	(	x,
		y
	)	memcpy(&x->sign, &y->sign, (size_t)(y->wds) * sizeof(ULong) + 2 * sizeof(int))

Definition at line 501 of file gdtoaimp.h.

◆ Bfree

#define Bfree Bfree_D2A

Definition at line 505 of file gdtoaimp.h.

◆ Bias

#define Bias 129

Definition at line 400 of file gdtoaimp.h.

◆ Big0

#define Big0 (Frac_mask1 | Exp_msk1 * (DBL_MAX_EXP + Bias - 1))

Definition at line 437 of file gdtoaimp.h.

◆ Big1

#define Big1 0xffffffff

Definition at line 438 of file gdtoaimp.h.

◆ bigtens

#define bigtens bigtens_D2A

Definition at line 514 of file gdtoaimp.h.

◆ Bletch

#define Bletch 2

Definition at line 407 of file gdtoaimp.h.

◆ Bndry_mask

#define Bndry_mask 0xffff007f

Definition at line 408 of file gdtoaimp.h.

◆ Bndry_mask1

#define Bndry_mask1 0xffff007f

Definition at line 409 of file gdtoaimp.h.

◆ Char

#define Char void

Definition at line 200 of file gdtoaimp.h.

◆ cmp

#define cmp cmp_D2A

Definition at line 515 of file gdtoaimp.h.

◆ copybits

#define copybits copybits_D2A

Definition at line 516 of file gdtoaimp.h.

◆ d2b

#define d2b d2b_D2A

Definition at line 517 of file gdtoaimp.h.

◆ decrement

#define decrement decrement_D2A

Definition at line 518 of file gdtoaimp.h.

◆ diff

#define diff diff_D2A

Definition at line 519 of file gdtoaimp.h.

◆ dtoa_result

#define dtoa_result dtoa_result_D2A

Definition at line 520 of file gdtoaimp.h.

◆ dval

#define dval ( x ) ((U*)&x)->d

Definition at line 307 of file gdtoaimp.h.

◆ Ebits

#define Ebits 8

Definition at line 403 of file gdtoaimp.h.

◆ Exp_1

#define Exp_1 0x40800000

Definition at line 401 of file gdtoaimp.h.

◆ Exp_11

#define Exp_11 0x4080

Definition at line 402 of file gdtoaimp.h.

◆ Exp_mask

#define Exp_mask 0x7f80

Definition at line 398 of file gdtoaimp.h.

◆ Exp_msk1

#define Exp_msk1 0x80

Definition at line 396 of file gdtoaimp.h.

◆ Exp_msk11

#define Exp_msk11 0x800000

Definition at line 397 of file gdtoaimp.h.

◆ Exp_shift

#define Exp_shift 23

Definition at line 394 of file gdtoaimp.h.

◆ Exp_shift1

#define Exp_shift1 7

Definition at line 395 of file gdtoaimp.h.

◆ Flt_Rounds

#define Flt_Rounds 1

Definition at line 393 of file gdtoaimp.h.

◆ Frac_mask

#define Frac_mask 0x7fffff

Definition at line 404 of file gdtoaimp.h.

◆ Frac_mask1

#define Frac_mask1 0xffff007f

Definition at line 405 of file gdtoaimp.h.

◆ FREE_DTOA_LOCK

#define FREE_DTOA_LOCK ( n ) /*nothing*/

Definition at line 479 of file gdtoaimp.h.

◆ g__fmt

#define g__fmt g__fmt_D2A

Definition at line 521 of file gdtoaimp.h.

◆ gethex

#define gethex gethex_D2A

Definition at line 522 of file gdtoaimp.h.

◆ hexdig

#define hexdig hexdig_D2A

Definition at line 523 of file gdtoaimp.h.

◆ hexnan

#define hexnan hexnan_D2A

Definition at line 524 of file gdtoaimp.h.

◆ hi0bits

#define hi0bits ( x ) hi0bits_D2A((ULong)(x))

Definition at line 525 of file gdtoaimp.h.

◆ i2b

#define i2b i2b_D2A

Definition at line 526 of file gdtoaimp.h.

◆ increment

#define increment increment_D2A

Definition at line 527 of file gdtoaimp.h.

◆ Int_max

#define Int_max 15

Definition at line 416 of file gdtoaimp.h.

◆ kmask

#define kmask 31

Definition at line 468 of file gdtoaimp.h.

◆ Kmax

#define Kmax 15

Definition at line 482 of file gdtoaimp.h.

◆ kshift

#define kshift 5

Definition at line 467 of file gdtoaimp.h.

◆ Llong

#define Llong long long

Definition at line 458 of file gdtoaimp.h.

◆ lo0bits

#define lo0bits lo0bits_D2A

Definition at line 528 of file gdtoaimp.h.

◆ Log2P

#define Log2P 1

Definition at line 412 of file gdtoaimp.h.

◆ LSB

#define LSB 0x10000

Definition at line 410 of file gdtoaimp.h.

◆ lshift

#define lshift lshift_D2A

Definition at line 529 of file gdtoaimp.h.

◆ MALLOC

#define MALLOC malloc

Definition at line 206 of file gdtoaimp.h.

◆ match

#define match match_D2A

Definition at line 530 of file gdtoaimp.h.

◆ mult

#define mult mult_D2A

Definition at line 531 of file gdtoaimp.h.

◆ multadd

#define multadd multadd_D2A

Definition at line 532 of file gdtoaimp.h.

◆ nrv_alloc

#define nrv_alloc nrv_alloc_D2A

Definition at line 533 of file gdtoaimp.h.

◆ P

#define P 56

Definition at line 399 of file gdtoaimp.h.

◆ Pack_32

#define Pack_32

Definition at line 442 of file gdtoaimp.h.

◆ pow5mult

#define pow5mult pow5mult_D2A

Definition at line 534 of file gdtoaimp.h.

◆ Quick_max

#define Quick_max 15

Definition at line 415 of file gdtoaimp.h.

◆ quorem

#define quorem quorem_D2A

Definition at line 535 of file gdtoaimp.h.

◆ ratio

#define ratio ratio_D2A

Definition at line 536 of file gdtoaimp.h.

◆ ROUND_BIASED

#define ROUND_BIASED

Definition at line 421 of file gdtoaimp.h.

◆ rounded_product

#define rounded_product	(	a,
		b
	)	a *= b

Definition at line 433 of file gdtoaimp.h.

◆ rounded_quotient

#define rounded_quotient	(	a,
		b
	)	a /= b

Definition at line 434 of file gdtoaimp.h.

◆ rshift

#define rshift rshift_D2A

Definition at line 537 of file gdtoaimp.h.

◆ rv_alloc

#define rv_alloc rv_alloc_D2A

Definition at line 538 of file gdtoaimp.h.

◆ s2b

#define s2b s2b_D2A

Definition at line 539 of file gdtoaimp.h.

◆ set_ones

#define set_ones set_ones_D2A

Definition at line 540 of file gdtoaimp.h.

◆ SI

#define SI 1

Definition at line 635 of file gdtoaimp.h.

◆ Sign_bit

#define Sign_bit 0x8000

Definition at line 411 of file gdtoaimp.h.

◆ Storeinc

#define Storeinc	(	a,
		b,
		c
	)	(((unsigned short)a)[0] = (unsigned short)b, ((unsigned short)a)[1] = (unsigned short)c, a++)

Definition at line 318 of file gdtoaimp.h.

◆ strcp

#define strcp strcp_D2A

Definition at line 541 of file gdtoaimp.h.

◆ strtoIg

#define strtoIg strtoIg_D2A

Definition at line 542 of file gdtoaimp.h.

◆ Sudden_Underflow

#define Sudden_Underflow

Definition at line 364 of file gdtoaimp.h.

◆ sum

#define sum sum_D2A

Definition at line 543 of file gdtoaimp.h.

◆ Ten_pmax

#define Ten_pmax 24

Definition at line 406 of file gdtoaimp.h.

◆ tens

#define tens tens_D2A

Definition at line 544 of file gdtoaimp.h.

◆ Tiny0

#define Tiny0 0x80

Definition at line 413 of file gdtoaimp.h.

◆ Tiny1

#define Tiny1 0

Definition at line 414 of file gdtoaimp.h.

◆ tinytens [1/2]

#define tinytens tinytens_D2A

Definition at line 546 of file gdtoaimp.h.

◆ tinytens [2/2]

#define tinytens tinytens_D2A

Definition at line 546 of file gdtoaimp.h.

◆ trailz

#define trailz trailz_D2A

Definition at line 547 of file gdtoaimp.h.

◆ ULbits

#define ULbits 32

Definition at line 466 of file gdtoaimp.h.

◆ ULLong

#define ULLong unsigned Llong

Definition at line 461 of file gdtoaimp.h.

◆ ulp

#define ulp ulp_D2A

Definition at line 548 of file gdtoaimp.h.

◆ ULtod

#define ULtod ULtod_D2A

Definition at line 508 of file gdtoaimp.h.

◆ ULtodd

#define ULtodd ULtodd_D2A

Definition at line 509 of file gdtoaimp.h.

◆ ULtof

#define ULtof ULtof_D2A

Definition at line 507 of file gdtoaimp.h.

◆ ULtoQ

#define ULtoQ ULtoQ_D2A

Definition at line 506 of file gdtoaimp.h.

◆ ULtox

#define ULtox ULtox_D2A

Definition at line 510 of file gdtoaimp.h.

◆ ULtoxL

#define ULtoxL ULtoxL_D2A

Definition at line 511 of file gdtoaimp.h.

◆ word0

#define word0 ( x ) ((U*)&x)->L[0]

Definition at line 304 of file gdtoaimp.h.

◆ word1

#define word1 ( x ) ((U*)&x)->L[1]

Definition at line 305 of file gdtoaimp.h.

Typedef Documentation

◆ Bigint

typedef struct Bigint Bigint

Definition at line 491 of file gdtoaimp.h.

Function Documentation

◆ ANSI() [1/24]

char *rv_alloc ANSI ( (int) )

◆ ANSI() [2/24]

int trailz ANSI ( (Bigint *) )

◆ ANSI() [3/24]

void ULtoxL ANSI ( (ULong *, const ULong *, Long, int) )

◆ ANSI() [4/24]

void ULtodd ANSI ( (ULong *, ULong *, Long, int) )

◆ ANSI() [5/24]

void ULtox ANSI ( (UShort *, const ULong *, Long, int) )

◆ ANSI() [6/24]

Bigint *set_ones ANSI ( (Bigint *, int) )

◆ ANSI() [7/24]

double b2d ANSI ( (Bigint *, int *) )

◆ ANSI() [8/24]

Bigint *sum ANSI ( (Bigint *, Bigint *) )

◆ ANSI() [9/24]

void copybits ANSI ( (ULong *, int, Bigint *) )

◆ ANSI() [10/24]

Bigint* d2b ANSI ( (double, int *, int *) )

◆ ANSI() [11/24]

char* dtoa ANSI ( (double d, int mode, int ndigits, int *decpt, int *sign, char **rve) )

◆ ANSI() [12/24]

char* g__fmt ANSI ( (char *, char *, const char *, int, ULong) )

◆ ANSI() [13/24]

int gethex ANSI ( (CONST char **, FPI *, Long *, Bigint **, int) )

◆ ANSI() [14/24]

int hexnan ANSI ( (CONST char **, FPI *, ULong *) )

◆ ANSI() [15/24]

int hi0bits_D2A ANSI ( (ULong) )

◆ ANSI() [16/24]

int lo0bits ANSI ( (ULong *) )

◆ ANSI() [17/24]

int match ANSI ( (CONST char **, char *) )

◆ ANSI() [18/24]

Bigint* multadd ANSI ( (Bigint *, int, int) )

◆ ANSI() [19/24]

char* nrv_alloc ANSI ( (char *, char **, int) )

◆ ANSI() [20/24]

Bigint* s2b ANSI ( (CONST char *, int, int, ULong) )

◆ ANSI() [21/24]

char* strcp ANSI ( (char *, const char *) )

◆ ANSI() [22/24]

int strtoIg ANSI ( (CONST char *, char **, FPI *, Long *, Bigint **, int *) )

◆ ANSI() [23/24]

double strtod ANSI ( (const char *s00, char **se) )

◆ ANSI() [24/24]

double ulp ANSI ( (double) )

◆ hexdig_init_D2A()

void hexdig_init_D2A ( Void )

Definition at line 52 of file hd_init.c.

 {
 #define USC (unsigned char*)
     htinit(hexdig, USC "0123456789", 0x10);
     htinit(hexdig, USC "abcdef", 0x10 + 10);
     htinit(hexdig, USC "ABCDEF", 0x10 + 10);
 }

References hexdig, htinit(), and USC.

Referenced by gethex(), and hexnan().

Here is the caller graph for this function:

Variable Documentation

◆ bigtens

CONST double bigtens[]

Definition at line 956 of file misc.c.

◆ dtoa_result

char* dtoa_result

Definition at line 35 of file dmisc.c.

Referenced by freedtoa(), and rv_alloc().

◆ hexdig

unsigned char hexdig[]

Definition at line 34 of file hd_init.c.

Referenced by hexdig_init_D2A().

◆ IEEE_8087

Exactly one of IEEE_8087

Definition at line 281 of file gdtoaimp.h.

◆ IEEE_MC68k

Exactly one of IEEE_MC68k

Definition at line 281 of file gdtoaimp.h.

◆ tens

CONST double tens[]

Definition at line 961 of file misc.c.

◆ tinytens

CONST double tinytens[]

Definition at line 957 of file misc.c.

◆ VAX

Exactly one of VAX

Definition at line 281 of file gdtoaimp.h.

Classes

Macros

Typedefs

Functions

Variables

Class Documentation

◆ U

◆ Bigint

Macro Definition Documentation

◆ ACQUIRE_DTOA_LOCK

◆ ALL_ON

◆ any_on

◆ b2d

◆ Balloc

◆ Bcopy

◆ Bfree

◆ Bias

◆ Big0

◆ Big1

◆ bigtens

◆ Bletch

◆ Bndry_mask

◆ Bndry_mask1

◆ Char

◆ cmp

◆ copybits

◆ d2b

◆ decrement

◆ diff

◆ dtoa_result

◆ dval

◆ Ebits

◆ Exp_1

◆ Exp_11

◆ Exp_mask

◆ Exp_msk1

◆ Exp_msk11

◆ Exp_shift

◆ Exp_shift1

◆ Flt_Rounds

◆ Frac_mask

◆ Frac_mask1

◆ FREE_DTOA_LOCK

◆ g__fmt

◆ gethex

◆ hexdig

◆ hexnan

◆ hi0bits

◆ i2b

◆ increment

◆ Int_max

◆ kmask

◆ Kmax

◆ kshift

◆ Llong

◆ lo0bits

◆ Log2P

◆ LSB

◆ lshift

◆ MALLOC

◆ match

◆ mult

◆ multadd

◆ nrv_alloc

◆ P

◆ Pack_32

◆ pow5mult

◆ Quick_max

◆ quorem

◆ ratio

◆ ROUND_BIASED

◆ rounded_product

◆ rounded_quotient

◆ rshift

◆ rv_alloc

◆ s2b

◆ set_ones

◆ SI

◆ Sign_bit

◆ Storeinc