internals.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include "primitives.h"
#include "softfloat_types.h"

Go to the source code of this file.

Classes
union	ui16_f16
union	ui32_f32
union	ui64_f64
struct	exp8_sig16
struct	exp16_sig32
struct	exp16_sig64

Macros
#define	signF16UI(a)   ((bool) ((uint16_t) (a)>>15))
#define	expF16UI(a)   ((int_fast8_t) ((a)>>10) & 0x1F)
#define	fracF16UI(a)   ((a) & 0x03FF)
#define	packToF16UI(sign, exp, sig)   (((uint16_t) (sign)<<15) + ((uint16_t) (exp)<<10) + (sig))
#define	isNaNF16UI(a)   (((~(a) & 0x7C00) == 0) && ((a) & 0x03FF))
#define	signF32UI(a)   ((bool) ((uint32_t) (a)>>31))
#define	expF32UI(a)   ((int_fast16_t) ((a)>>23) & 0xFF)
#define	fracF32UI(a)   ((a) & 0x007FFFFF)
#define	packToF32UI(sign, exp, sig)   (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<23) + (sig))
#define	isNaNF32UI(a)   (((~(a) & 0x7F800000) == 0) && ((a) & 0x007FFFFF))
#define	signF64UI(a)   ((bool) ((uint64_t) (a)>>63))
#define	expF64UI(a)   ((int_fast16_t) ((a)>>52) & 0x7FF)
#define	fracF64UI(a)   ((a) & UINT64_C( 0x000FFFFFFFFFFFFF ))
#define	packToF64UI(sign, exp, sig)   ((uint64_t) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<52) + (sig)))
#define	isNaNF64UI(a)   (((~(a) & UINT64_C( 0x7FF0000000000000 )) == 0) && ((a) & UINT64_C( 0x000FFFFFFFFFFFFF )))
#define	signExtF80UI64(a64)   ((bool) ((uint16_t) (a64)>>15))
#define	expExtF80UI64(a64)   ((a64) & 0x7FFF)
#define	packToExtF80UI64(sign, exp)   ((uint_fast16_t) (sign)<<15 | (exp))
#define	isNaNExtF80UI(a64, a0)   ((((a64) & 0x7FFF) == 0x7FFF) && ((a0) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))
#define	signF128UI96(a96)   ((bool) ((uint32_t) (a96)>>31))
#define	expF128UI96(a96)   ((int32_t) ((a96)>>16) & 0x7FFF)
#define	fracF128UI96(a96)   ((a96) & 0x0000FFFF)
#define	packToF128UI96(sign, exp, sig96)   (((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<16) + (sig96))

Enumerations
enum	{ softfloat_mulAdd_subC = 1, softfloat_mulAdd_subProd = 2 }

Functions
uint_fast32_t	softfloat_roundToUI32 (bool, uint_fast64_t, uint_fast8_t, bool)
uint_fast64_t	softfloat_roundMToUI64 (bool, uint32_t *, uint_fast8_t, bool)
int_fast32_t	softfloat_roundToI32 (bool, uint_fast64_t, uint_fast8_t, bool)
int_fast64_t	softfloat_roundMToI64 (bool, uint32_t *, uint_fast8_t, bool)
struct exp8_sig16	softfloat_normSubnormalF16Sig (uint_fast16_t)
float16_t	softfloat_roundPackToF16 (bool, int_fast16_t, uint_fast16_t)
float16_t	softfloat_normRoundPackToF16 (bool, int_fast16_t, uint_fast16_t)
float16_t	softfloat_addMagsF16 (uint_fast16_t, uint_fast16_t)
float16_t	softfloat_subMagsF16 (uint_fast16_t, uint_fast16_t)
float16_t	softfloat_mulAddF16 (uint_fast16_t, uint_fast16_t, uint_fast16_t, uint_fast8_t)
struct exp16_sig32	softfloat_normSubnormalF32Sig (uint_fast32_t)
float32_t	softfloat_roundPackToF32 (bool, int_fast16_t, uint_fast32_t)
float32_t	softfloat_normRoundPackToF32 (bool, int_fast16_t, uint_fast32_t)
float32_t	softfloat_addMagsF32 (uint_fast32_t, uint_fast32_t)
float32_t	softfloat_subMagsF32 (uint_fast32_t, uint_fast32_t)
float32_t	softfloat_mulAddF32 (uint_fast32_t, uint_fast32_t, uint_fast32_t, uint_fast8_t)
struct exp16_sig64	softfloat_normSubnormalF64Sig (uint_fast64_t)
float64_t	softfloat_roundPackToF64 (bool, int_fast16_t, uint_fast64_t)
float64_t	softfloat_normRoundPackToF64 (bool, int_fast16_t, uint_fast64_t)
float64_t	softfloat_addMagsF64 (uint_fast64_t, uint_fast64_t, bool)
float64_t	softfloat_subMagsF64 (uint_fast64_t, uint_fast64_t, bool)
float64_t	softfloat_mulAddF64 (uint_fast64_t, uint_fast64_t, uint_fast64_t, uint_fast8_t)
bool	softfloat_tryPropagateNaNExtF80M (const struct extFloat80M *, const struct extFloat80M *, struct extFloat80M *)
void	softfloat_invalidExtF80M (struct extFloat80M *)
int	softfloat_normExtF80SigM (uint64_t *)
void	softfloat_roundPackMToExtF80M (bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M *)
void	softfloat_normRoundPackMToExtF80M (bool, int32_t, uint32_t *, uint_fast8_t, struct extFloat80M *)
void	softfloat_addExtF80M (const struct extFloat80M *, const struct extFloat80M *, struct extFloat80M *, bool)
int	softfloat_compareNonnormExtF80M (const struct extFloat80M *, const struct extFloat80M *)
bool	softfloat_isNaNF128M (const uint32_t *)
bool	softfloat_tryPropagateNaNF128M (const uint32_t *, const uint32_t *, uint32_t *)
void	softfloat_invalidF128M (uint32_t *)
int	softfloat_shiftNormSigF128M (const uint32_t *, uint_fast8_t, uint32_t *)
void	softfloat_roundPackMToF128M (bool, int32_t, uint32_t *, uint32_t *)
void	softfloat_normRoundPackMToF128M (bool, int32_t, uint32_t *, uint32_t *)
void	softfloat_addF128M (const uint32_t *, const uint32_t *, uint32_t *, bool)
void	softfloat_mulAddF128M (const uint32_t *, const uint32_t *, const uint32_t *, uint32_t *, uint_fast8_t)

Macro Definition Documentation

expExtF80UI64

#define expExtF80UI64

(

a64

)

((a64) & 0x7FFF)

Definition at line 147 of file internals.h.

expF128UI96

#define expF128UI96

(

a96

)

((int32_t) ((a96)>>16) & 0x7FFF)

Definition at line 248 of file internals.h.

expF16UI

#define expF16UI

(

a

)

((int_fast8_t) ((a)>>10) & 0x1F)

Definition at line 84 of file internals.h.

expF32UI

#define expF32UI

(

a

)

((int_fast16_t) ((a)>>23) & 0xFF)

Definition at line 105 of file internals.h.

expF64UI

#define expF64UI

(

a

)

((int_fast16_t) ((a)>>52) & 0x7FF)

Definition at line 126 of file internals.h.

fracF128UI96

#define fracF128UI96

(

a96

)

((a96) & 0x0000FFFF)

Definition at line 249 of file internals.h.

fracF16UI

#define fracF16UI

(

a

)

((a) & 0x03FF)

Definition at line 85 of file internals.h.

fracF32UI

#define fracF32UI

(

a

)

((a) & 0x007FFFFF)

Definition at line 106 of file internals.h.

fracF64UI

#define fracF64UI

(

a

)

((a) & UINT64_C( 0x000FFFFFFFFFFFFF ))

Definition at line 127 of file internals.h.

isNaNExtF80UI

#define isNaNExtF80UI	(		a64,
			a0
	)		((((a64) & 0x7FFF) == 0x7FFF) && ((a0) & UINT64_C( 0x7FFFFFFFFFFFFFFF )))

Definition at line 150 of file internals.h.

isNaNF16UI

#define isNaNF16UI

(

a

)

(((~(a) & 0x7C00) == 0) && ((a) & 0x03FF))

Definition at line 88 of file internals.h.

isNaNF32UI

#define isNaNF32UI

(

a

)

(((~(a) & 0x7F800000) == 0) && ((a) & 0x007FFFFF))

Definition at line 109 of file internals.h.

isNaNF64UI

#define isNaNF64UI

(

a

)

(((~(a) & UINT64_C( 0x7FF0000000000000 )) == 0) && ((a) & UINT64_C( 0x000FFFFFFFFFFFFF )))

Definition at line 130 of file internals.h.

packToExtF80UI64

#define packToExtF80UI64	(		sign,
			exp
	)		((uint_fast16_t) (sign)<<15 | (exp))

Definition at line 148 of file internals.h.

packToF128UI96

#define packToF128UI96	(		sign,
			exp,
			sig96
	)		(((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<16) + (sig96))

Definition at line 250 of file internals.h.

packToF16UI

#define packToF16UI	(		sign,
			exp,
			sig
	)		(((uint16_t) (sign)<<15) + ((uint16_t) (exp)<<10) + (sig))

Definition at line 86 of file internals.h.

packToF32UI

#define packToF32UI	(		sign,
			exp,
			sig
	)		(((uint32_t) (sign)<<31) + ((uint32_t) (exp)<<23) + (sig))

Definition at line 107 of file internals.h.

packToF64UI

#define packToF64UI	(		sign,
			exp,
			sig
	)		((uint64_t) (((uint_fast64_t) (sign)<<63) + ((uint_fast64_t) (exp)<<52) + (sig)))

Definition at line 128 of file internals.h.

signExtF80UI64

#define signExtF80UI64

(

a64

)

((bool) ((uint16_t) (a64)>>15))

Definition at line 146 of file internals.h.

signF128UI96

#define signF128UI96

(

a96

)

((bool) ((uint32_t) (a96)>>31))

Definition at line 247 of file internals.h.

signF16UI

#define signF16UI

(

a

)

((bool) ((uint16_t) (a)>>15))

Definition at line 83 of file internals.h.

signF32UI

#define signF32UI

(

a

)

((bool) ((uint32_t) (a)>>31))

Definition at line 104 of file internals.h.

signF64UI

#define signF64UI

(

a

)

((bool) ((uint64_t) (a)>>63))

Definition at line 125 of file internals.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
softfloat_mulAdd_subC
softfloat_mulAdd_subProd

Definition at line 54 of file internals.h.

Function Documentation

softfloat_addExtF80M()

void softfloat_addExtF80M	(	const struct extFloat80M *	,
		const struct extFloat80M *	,
		struct extFloat80M *	,
		bool
	)

softfloat_addF128M()

void softfloat_addF128M	(	const uint32_t *	,
		const uint32_t *	,
		uint32_t *	,
		bool
	)

softfloat_addMagsF16()

float16_t softfloat_addMagsF16	(	uint_fast16_t	,
		uint_fast16_t
	)

softfloat_addMagsF32()

float32_t softfloat_addMagsF32	(	uint_fast32_t	,
		uint_fast32_t
	)

softfloat_addMagsF64()

float64_t softfloat_addMagsF64	(	uint_fast64_t	,
		uint_fast64_t	,
		bool
	)

Definition at line 44 of file s_addMagsF64.c.

softfloat_compareNonnormExtF80M()

int softfloat_compareNonnormExtF80M	(	const struct extFloat80M *	,
		const struct extFloat80M *
	)

softfloat_invalidExtF80M()

void softfloat_invalidExtF80M

(

struct extFloat80M *

)

softfloat_invalidF128M()

void softfloat_invalidF128M

(

uint32_t *

)

softfloat_isNaNF128M()

bool softfloat_isNaNF128M

(

const uint32_t *

)

softfloat_mulAddF128M()

void softfloat_mulAddF128M	(	const uint32_t *	,
		const uint32_t *	,
		const uint32_t *	,
		uint32_t *	,
		uint_fast8_t
	)

softfloat_mulAddF16()

float16_t softfloat_mulAddF16	(	uint_fast16_t	,
		uint_fast16_t	,
		uint_fast16_t	,
		uint_fast8_t
	)

softfloat_mulAddF32()

float32_t softfloat_mulAddF32	(	uint_fast32_t	,
		uint_fast32_t	,
		uint_fast32_t	,
		uint_fast8_t
	)

softfloat_mulAddF64()

float64_t softfloat_mulAddF64	(	uint_fast64_t	,
		uint_fast64_t	,
		uint_fast64_t	,
		uint_fast8_t
	)

softfloat_normExtF80SigM()

int softfloat_normExtF80SigM

(

uint64_t *

)

softfloat_normRoundPackMToExtF80M()

void softfloat_normRoundPackMToExtF80M	(	bool	,
		int32_t	,
		uint32_t *	,
		uint_fast8_t	,
		struct extFloat80M *
	)

softfloat_normRoundPackMToF128M()

void softfloat_normRoundPackMToF128M	(	bool	,
		int32_t	,
		uint32_t *	,
		uint32_t *
	)

softfloat_normRoundPackToF16()

float16_t softfloat_normRoundPackToF16	(	bool	,
		int_fast16_t	,
		uint_fast16_t
	)

softfloat_normRoundPackToF32()

float32_t softfloat_normRoundPackToF32	(	bool	,
		int_fast16_t	,
		uint_fast32_t
	)

softfloat_normRoundPackToF64()

float64_t softfloat_normRoundPackToF64	(	bool	,
		int_fast16_t	,
		uint_fast64_t
	)

Definition at line 43 of file s_normRoundPackToF64.c.

softfloat_normSubnormalF16Sig()

struct exp8_sig16 softfloat_normSubnormalF16Sig

(

uint_fast16_t

)

softfloat_normSubnormalF32Sig()

struct exp16_sig32 softfloat_normSubnormalF32Sig

(

uint_fast32_t

)

Definition at line 41 of file s_normSubnormalF32Sig.c.

softfloat_normSubnormalF64Sig()

struct exp16_sig64 softfloat_normSubnormalF64Sig

(

uint_fast64_t

)

Definition at line 41 of file s_normSubnormalF64Sig.c.

softfloat_roundMToI64()

int_fast64_t softfloat_roundMToI64	(	bool	,
		uint32_t *	,
		uint_fast8_t	,
		bool
	)

softfloat_roundMToUI64()

uint_fast64_t softfloat_roundMToUI64	(	bool	,
		uint32_t *	,
		uint_fast8_t	,
		bool
	)

softfloat_roundPackMToExtF80M()

void softfloat_roundPackMToExtF80M	(	bool	,
		int32_t	,
		uint32_t *	,
		uint_fast8_t	,
		struct extFloat80M *
	)

softfloat_roundPackMToF128M()

void softfloat_roundPackMToF128M	(	bool	,
		int32_t	,
		uint32_t *	,
		uint32_t *
	)

softfloat_roundPackToF16()

float16_t softfloat_roundPackToF16	(	bool	,
		int_fast16_t	,
		uint_fast16_t
	)

softfloat_roundPackToF32()

float32_t softfloat_roundPackToF32	(	bool	,
		int_fast16_t	,
		uint_fast32_t
	)

Definition at line 44 of file s_roundPackToF32.c.

softfloat_roundPackToF64()

float64_t softfloat_roundPackToF64	(	bool	,
		int_fast16_t	,
		uint_fast64_t
	)

Definition at line 44 of file s_roundPackToF64.c.

softfloat_roundToI32()

int_fast32_t softfloat_roundToI32	(	bool	,
		uint_fast64_t	,
		uint_fast8_t	,
		bool
	)

softfloat_roundToUI32()

uint_fast32_t softfloat_roundToUI32	(	bool	,
		uint_fast64_t	,
		uint_fast8_t	,
		bool
	)

softfloat_shiftNormSigF128M()

int softfloat_shiftNormSigF128M	(	const uint32_t *	,
		uint_fast8_t	,
		uint32_t *
	)

softfloat_subMagsF16()

float16_t softfloat_subMagsF16	(	uint_fast16_t	,
		uint_fast16_t
	)

softfloat_subMagsF32()

float32_t softfloat_subMagsF32	(	uint_fast32_t	,
		uint_fast32_t
	)

softfloat_subMagsF64()

float64_t softfloat_subMagsF64	(	uint_fast64_t	,
		uint_fast64_t	,
		bool
	)

Definition at line 45 of file s_subMagsF64.c.

softfloat_tryPropagateNaNExtF80M()

bool softfloat_tryPropagateNaNExtF80M	(	const struct extFloat80M *	,
		const struct extFloat80M *	,
		struct extFloat80M *
	)

softfloat_tryPropagateNaNF128M()

bool softfloat_tryPropagateNaNF128M	(	const uint32_t *	,
		const uint32_t *	,
		uint32_t *
	)