softfloat.c File Reference

#include "milieu.h"
#include "softfloat.h"
#include "softfloat-macros"
#include "softfloat-specialize"

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Functions
INLINE bits64	extractFloat64Frac (float64 a)
INLINE int16	extractFloat64Exp (float64 a)
INLINE flag	extractFloat64Sign (float64 a)
INLINE float64	packFloat64 (flag zSign, int16 zExp, bits64 zSig)
static float64	roundAndPackFloat64 (flag zSign, int16 zExp, bits64 zSig)
static float64	normalizeRoundAndPackFloat64 (flag zSign, int16 zExp, bits64 zSig)
static float64	addFloat64Sigs (float64 a, float64 b, flag zSign)
static float64	subFloat64Sigs (float64 a, float64 b, flag zSign)
float64	float64_add (float64 a, float64 b)

Variables
int8	float_rounding_mode = float_round_nearest_even
int8	float_exception_flags = 0

Function Documentation

addFloat64Sigs()

static float64 addFloat64Sigs ( float64  a, float64  b, flag  zSign  )

static

Definition at line 244 of file softfloat.c.

References extractFloat64Exp(), extractFloat64Frac(), LIT64, packFloat64(), and roundAndPackFloat64().

Referenced by float64_add().

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extractFloat64Exp()

INLINE int16 extractFloat64Exp

(

float64

a

)

Definition at line 94 of file softfloat.c.

References INLINE.

extractFloat64Frac()

INLINE bits64 extractFloat64Frac

(

float64

a

)

Definition at line 82 of file softfloat.c.

References INLINE, and LIT64.

extractFloat64Sign()

INLINE flag extractFloat64Sign

(

float64

a

)

Definition at line 106 of file softfloat.c.

References INLINE.

float64_add()

float64 float64_add	(	float64	a,
		float64	b
	)

Definition at line 406 of file softfloat.c.

References addFloat64Sigs(), extractFloat64Sign(), and subFloat64Sigs().

Referenced by local_sin(), and main().

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normalizeRoundAndPackFloat64()

static float64 normalizeRoundAndPackFloat64 ( flag  zSign, int16  zExp, bits64  zSig  )

static

Definition at line 226 of file softfloat.c.

References roundAndPackFloat64().

Referenced by subFloat64Sigs().

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packFloat64()

INLINE float64 packFloat64	(	flag	zSign,
		int16	zExp,
		bits64	zSig
	)

Definition at line 125 of file softfloat.c.

roundAndPackFloat64()

static float64 roundAndPackFloat64 ( flag  zSign, int16  zExp, bits64  zSig  )

static

Definition at line 155 of file softfloat.c.

References float_exception_flags, float_flag_inexact, float_flag_overflow, float_flag_underflow, float_round_down, float_round_nearest_even, float_round_to_zero, float_round_up, float_rounding_mode, float_tininess_before_rounding, LIT64, and packFloat64().

Referenced by addFloat64Sigs(), and normalizeRoundAndPackFloat64().

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subFloat64Sigs()

static float64 subFloat64Sigs ( float64  a, float64  b, flag  zSign  )

static

Definition at line 325 of file softfloat.c.

References extractFloat64Exp(), extractFloat64Frac(), float_flag_invalid, float_round_down, float_rounding_mode, LIT64, normalizeRoundAndPackFloat64(), and packFloat64().

Referenced by float64_add().

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Variable Documentation

float_exception_flags

int8 float_exception_flags = 0

Definition at line 58 of file softfloat.c.

float_rounding_mode

int8 float_rounding_mode = float_round_nearest_even

Definition at line 57 of file softfloat.c.