osprey-gcc-4.2.0/libdecnumber/decimal32.h File Reference

#include "decNumber.h"

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Data Types
type	decimal32
Defines
#define	DECIMAL32
#define	DEC32NAME   "decimal32"
#define	DEC32FULLNAME   "Decimal 32-bit Number"
#define	DEC32AUTHOR   "Mike Cowlishaw"
#define	DECIMAL32_Bytes   4
#define	DECIMAL32_Pmax   7
#define	DECIMAL32_Emax   96
#define	DECIMAL32_Emin   -95
#define	DECIMAL32_Bias   101
#define	DECIMAL32_String   15
#define	DECIMAL32_Ehigh   (DECIMAL32_Emax+DECIMAL32_Bias-DECIMAL32_Pmax+1)
#define	DECNUMDIGITS   DECIMAL32_Pmax
#define	DECIMAL_NaN   0x7c
#define	DECIMAL_sNaN   0x7e
#define	DECIMAL_Inf   0x78
#define	decimal32Sign(d)   ((unsigned)(d)->bytes[0]>>7)
#define	decimal32Comb(d)   (((d)->bytes[0] & 0x7c)>>2)
#define	decimal32ExpCon(d)
#define	decimal32SetSign(d, b)
#define	decimal32SetExpCon(d, e)
Functions/Subroutines
decimal32 *	decimal32FromString (decimal32 *, const char *, decContext *)
char *	decimal32ToString (const decimal32 *, char *)
char *	decimal32ToEngString (const decimal32 *, char *)
decimal32 *	decimal32FromNumber (decimal32 *, const decNumber *, decContext *)
decNumber *	decimal32ToNumber (const decimal32 *, decNumber *)

---

Define Documentation

#define DEC32AUTHOR   "Mike Cowlishaw"

Definition at line 35 of file decimal32.h.

#define DEC32FULLNAME   "Decimal 32-bit Number"

Definition at line 34 of file decimal32.h.

#define DEC32NAME   "decimal32"

Definition at line 33 of file decimal32.h.

#define DECIMAL32

Definition at line 32 of file decimal32.h.

#define DECIMAL32_Bias   101

Definition at line 42 of file decimal32.h.

Referenced by decimal32FromNumber(), and decimal32ToNumber().

#define DECIMAL32_Bytes   4

Definition at line 38 of file decimal32.h.

#define DECIMAL32_Ehigh   (DECIMAL32_Emax+DECIMAL32_Bias-DECIMAL32_Pmax+1)

Definition at line 45 of file decimal32.h.

Referenced by decimal32FromNumber().

#define DECIMAL32_Emax   96

Definition at line 40 of file decimal32.h.

Referenced by decimal32FromNumber().

#define DECIMAL32_Emin   -95

Definition at line 41 of file decimal32.h.

Referenced by decimal32FromNumber().

#define DECIMAL32_Pmax   7

Definition at line 39 of file decimal32.h.

Referenced by decimal32FromNumber(), and decimal32ToNumber().

#define DECIMAL32_String   15

Definition at line 43 of file decimal32.h.

#define decimal32Comb

(

d

)

(((d)->bytes[0] & 0x7c)>>2)

Definition at line 74 of file decimal32.h.

#define decimal32ExpCon

(

d

)

Value:

((((d)->bytes[0] & 0x03)<<4)         \
                               | ((unsigned)(d)->bytes[1]>>4))

Definition at line 77 of file decimal32.h.

Referenced by decimal32ToNumber().

#define decimal32SetExpCon	(	d,
		e		)

Value:

{                                  \
    (d)->bytes[0]|=(uint8_t)((e)>>4);                                 \
    (d)->bytes[1]|=(uint8_t)(((e)&0x0F)<<4);}

Definition at line 87 of file decimal32.h.

Referenced by decimal32FromNumber().

#define decimal32SetSign	(	d,
		b		)

Value:

{                                    \
    (d)->bytes[0]|=((unsigned)(b)<<7);}

Definition at line 81 of file decimal32.h.

Referenced by decimal32FromNumber().

#define decimal32Sign

(

d

)

((unsigned)(d)->bytes[0]>>7)

Definition at line 71 of file decimal32.h.

Referenced by decimal32ToNumber().

#define DECIMAL_Inf   0x78

Definition at line 65 of file decimal32.h.

#define DECIMAL_NaN   0x7c

Definition at line 63 of file decimal32.h.

#define DECIMAL_sNaN   0x7e

Definition at line 64 of file decimal32.h.

#define DECNUMDIGITS   DECIMAL32_Pmax

Definition at line 48 of file decimal32.h.

---

Function Documentation

decimal32* decimal32FromNumber	(	decimal32 *	,
		const decNumber *	,
		decContext *
	)

Definition at line 76 of file decimal32.c.

References decNumber::bits, decimal32::bytes, DEC_Clamped, DEC_clear, DEC_INIT_DECIMAL32, decContextDefault(), decContextSetStatus(), decDensePackCoeff(), DECIMAL32_Bias, DECIMAL32_Ehigh, DECIMAL32_Emax, DECIMAL32_Emin, DECIMAL32_Pmax, decimal32SetExpCon, decimal32SetSign, DECIMAL_Inf, DECIMAL_NaN, DECIMAL_sNaN, DECINF, DECNAN, DECNEG, decNumberIsZero, decNumberPlus(), DECSPECIAL, decNumber::digits, exp, decNumber::exponent, Int, decNumber::lsu, decContext::round, decContext::status, top, uByte, uInt, and unsigned.

Referenced by decimal32FromString(), decimal_round_for_format(), and encode_decimal32().

decimal32* decimal32FromString	(	decimal32 *	,
		const char *	,
		decContext *
	)

Definition at line 300 of file decimal32.c.

References DEC_INIT_DECIMAL32, decContextDefault(), decContextSetStatus(), decimal32FromNumber(), decNumberFromString(), decContext::round, and decContext::status.

char* decimal32ToEngString	(	const decimal32 *	,
		char *
	)

Definition at line 276 of file decimal32.c.

References decimal32ToNumber(), and decNumberToEngString().

decNumber* decimal32ToNumber	(	const decimal32 *	,
		decNumber *
	)

Definition at line 193 of file decimal32.c.

References decNumber::bits, decimal32::bytes, decDenseUnpackCoeff(), DECIMAL32_Bias, DECIMAL32_Pmax, decimal32ExpCon, decimal32Sign, DECIMAL_Inf, DECIMAL_NaN, DECINF, DECNAN, DECNEG, decNumberZero(), DECSNAN, exp, decNumber::exponent, Int, top, and uInt.

Referenced by decimal32ToEngString(), decimal32ToString(), decimal_round_for_format(), decode_decimal32(), and isinfd32().

char* decimal32ToString	(	const decimal32 *	,
		char *
	)

Definition at line 267 of file decimal32.c.

References decimal32ToNumber(), and decNumberToString().