dtoa.cpp File Reference

#include "config.h"
#include "dtoa.h"
#include <stdio.h>
#include <wtf/Lock.h>
#include <wtf/MathExtras.h>
#include <wtf/Threading.h>
#include <wtf/Vector.h>

Classes
union	WTF::U
struct	WTF::BigInt
struct	WTF::P5Node

Namespaces
	WTF
	WTF::Internal

Macros
#define	word0(x)   (x)->L[1]
#define	word1(x)   (x)->L[0]
#define	dval(x)   (x)->d
#define	Exp_shift   20
#define	Exp_shift1   20
#define	Exp_msk1   0x100000
#define	Exp_msk11   0x100000
#define	Exp_mask   0x7ff00000
#define	P   53
#define	Bias   1023
#define	Emin   (-1022)
#define	Exp_1   0x3ff00000
#define	Exp_11   0x3ff00000
#define	Ebits   11
#define	Frac_mask   0xfffff
#define	Frac_mask1   0xfffff
#define	Ten_pmax   22
#define	Bletch   0x10
#define	Bndry_mask   0xfffff
#define	Bndry_mask1   0xfffff
#define	LSB   1
#define	Sign_bit   0x80000000
#define	Log2P   1
#define	Tiny0   0
#define	Tiny1   1
#define	Quick_max   14
#define	Int_max   14
#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	d0   word0(d)
#define	d1   word1(d)
#define	Scale_Bit   0x10
#define	n_bigtens   5

Functions
template<bool roundingNone, bool roundingSignificantFigures, bool roundingDecimalPlaces, bool leftright>
void	WTF::dtoa (DtoaBuffer result, double dd, int ndigits, bool &signOut, int &exponentOut, unsigned &precisionOut)
WTF_EXPORT_PRIVATE void	WTF::dtoa (DtoaBuffer result, double dd, bool &sign, int &exponent, unsigned &precision)
WTF_EXPORT_PRIVATE void	WTF::dtoaRoundSF (DtoaBuffer result, double dd, int ndigits, bool &sign, int &exponent, unsigned &precision)
WTF_EXPORT_PRIVATE void	WTF::dtoaRoundDP (DtoaBuffer result, double dd, int ndigits, bool &sign, int &exponent, unsigned &precision)
WTF_EXPORT_PRIVATE const char *	WTF::numberToString (double, NumberToStringBuffer)
WTF_EXPORT_PRIVATE const char *	WTF::numberToFixedPrecisionString (double, unsigned significantFigures, NumberToStringBuffer, bool truncateTrailingZeros=false)
WTF_EXPORT_PRIVATE const char *	WTF::numberToFixedWidthString (double, unsigned decimalPlaces, NumberToStringBuffer)
WTF_EXPORT_PRIVATE double	WTF::Internal::parseDoubleFromLongString (const UChar *string, size_t length, size_t &parsedLength)

Macro Definition Documentation

Bias

#define Bias   1023

Big0

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

Big1

#define Big1   0xffffffff

Bletch

#define Bletch   0x10

Bndry_mask

#define Bndry_mask   0xfffff

Bndry_mask1

#define Bndry_mask1   0xfffff

d0

#define d0   word0(d)

d1

#define d1   word1(d)

dval

#define dval

(

x

)

(x)->d

Ebits

#define Ebits   11

Emin

#define Emin   (-1022)

Exp_1

#define Exp_1   0x3ff00000

Exp_11

#define Exp_11   0x3ff00000

Exp_mask

#define Exp_mask   0x7ff00000

Exp_msk1

#define Exp_msk1   0x100000

Exp_msk11

#define Exp_msk11   0x100000

Exp_shift

#define Exp_shift   20

Exp_shift1

#define Exp_shift1   20

Frac_mask

#define Frac_mask   0xfffff

Frac_mask1

#define Frac_mask1   0xfffff

Int_max

#define Int_max   14

Log2P

#define Log2P   1

LSB

#define LSB   1

n_bigtens

#define n_bigtens   5

P

#define P   53

Quick_max

#define Quick_max   14

rounded_product

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

rounded_quotient

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

Scale_Bit

#define Scale_Bit   0x10

Sign_bit

#define Sign_bit   0x80000000

Ten_pmax

#define Ten_pmax   22

Tiny0

#define Tiny0   0

Tiny1

#define Tiny1   1

word0

#define word0

(

x

)

(x)->L[1]

word1

#define word1

(

x

)

(x)->L[0]