86Box/src/cpu/softfloat3e/softfloat.h

/*============================================================================

This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3e, by John R. Hauser.

Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the
University of California.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 1. Redistributions of source code must retain the above copyright notice,
    this list of conditions, and the following disclaimer.

 2. Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions, and the following disclaimer in the documentation
    and/or other materials provided with the distribution.

 3. Neither the name of the University nor the names of its contributors may
    be used to endorse or promote products derived from this software without
    specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=============================================================================*/

/*============================================================================
| Note:  If SoftFloat is made available as a general library for programs to
| use, it is strongly recommended that a platform-specific version of this
| header, "softfloat.h", be created that folds in "softfloat_types.h" and that
| eliminates all dependencies on compile-time macros.
*============================================================================*/

#ifndef _SOFTFLOAT_H_
#define _SOFTFLOAT_H_

#include <stdint.h>

#include "softfloat_types.h"
#include "softfloat-extra.h"

struct softfloat_status_t
{
    uint8_t softfloat_roundingMode;
    int softfloat_exceptionFlags;
    int softfloat_exceptionMasks;
    int softfloat_suppressException;

    bool softfloat_denormals_are_zeros;
    bool softfloat_flush_underflow_to_zero;

    /*----------------------------------------------------------------------------
    | Rounding precision for 80-bit extended double-precision floating-point.
    | Valid values are 32, 64, and 80.
    *----------------------------------------------------------------------------*/
    uint8_t extF80_roundingPrecision;
};

/*----------------------------------------------------------------------------
| Software floating-point rounding mode.
*----------------------------------------------------------------------------*/
enum {
    softfloat_round_near_even   = 0,
    softfloat_round_min         = 1,
    softfloat_round_down        = softfloat_round_min,
    softfloat_round_max         = 2,
    softfloat_round_up          = softfloat_round_max,
    softfloat_round_minMag      = 3,
    softfloat_round_to_zero     = softfloat_round_minMag,
    softfloat_round_near_maxMag = 4
};

/*----------------------------------------------------------------------------
| Software floating-point exception flags.
*----------------------------------------------------------------------------*/
enum softfloat_exception_flag_t {
    softfloat_flag_invalid   = 0x01,
    softfloat_flag_denormal  = 0x02,
    softfloat_flag_divbyzero = 0x04,
    softfloat_flag_infinite  = softfloat_flag_divbyzero,
    softfloat_flag_overflow  = 0x08,
    softfloat_flag_underflow = 0x10,
    softfloat_flag_inexact   = 0x20
};

static const unsigned softfloat_all_exceptions_mask = 0x3f;

#define FLOATX80

#ifdef FLOATX80
#define RAISE_SW_C1 0x0200
#endif

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point ordering relations
*----------------------------------------------------------------------------*/
enum {
    softfloat_relation_less      = -1,
    softfloat_relation_equal     =  0,
    softfloat_relation_greater   =  1,
    softfloat_relation_unordered =  2
};

/*----------------------------------------------------------------------------
| Software IEC/IEEE floating-point class.
*----------------------------------------------------------------------------*/
typedef enum {
    softfloat_zero,
    softfloat_SNaN,
    softfloat_QNaN,
    softfloat_negative_inf,
    softfloat_positive_inf,
    softfloat_denormal,
    softfloat_normalized
} softfloat_class_t;

/*----------------------------------------------------------------------------
| Options to indicate which negations to perform in f*_muladd()
| Using these differs from negating an input or output before calling
| the muladd function in that this means that a NaN doesn't have its
| sign bit inverted before it is propagated.
*----------------------------------------------------------------------------*/
enum {
    softfloat_mulAdd_subC           = 1,
    softfloat_muladd_negate_c       = softfloat_mulAdd_subC,
    softfloat_mulAdd_subProd        = 2,
    softfloat_muladd_negate_product = softfloat_mulAdd_subProd,
    softfloat_muladd_negate_result  = softfloat_muladd_negate_c | softfloat_muladd_negate_product
};

static __inline void softfloat_setFlags(struct softfloat_status_t *status, int flags) {
    status->softfloat_exceptionFlags = flags;
}

/*----------------------------------------------------------------------------
| Routine to raise any or all of the software floating-point exception flags.
*----------------------------------------------------------------------------*/
static __inline void softfloat_raiseFlags(struct softfloat_status_t *status, int flags) {
    status->softfloat_exceptionFlags |= flags;
}

/*----------------------------------------------------------------------------
| Check if exception is masked.
*----------------------------------------------------------------------------*/
static __inline int softfloat_isMaskedException(const struct softfloat_status_t *status, int flags) {
    return status->softfloat_exceptionMasks & flags;
}

/*----------------------------------------------------------------------------
| Suppress generation of these exceptions.
*----------------------------------------------------------------------------*/
static __inline void softfloat_suppressException(struct softfloat_status_t *status, int flags) {
    status->softfloat_suppressException |= flags;
}

/*----------------------------------------------------------------------------
| Obtain current rounding mode.
*----------------------------------------------------------------------------*/
static __inline uint8_t softfloat_getRoundingMode(const struct softfloat_status_t *status) {
    return status->softfloat_roundingMode;
}

/*----------------------------------------------------------------------------
| Read denormals-are-zeroes flag.
*----------------------------------------------------------------------------*/
static __inline bool softfloat_denormalsAreZeros(const struct softfloat_status_t *status) {
    return status->softfloat_denormals_are_zeros;
}

/*----------------------------------------------------------------------------
| Read flush-underflow-to-zero flag.
*----------------------------------------------------------------------------*/
static __inline bool softfloat_flushUnderflowToZero(const struct softfloat_status_t *status) {
    return status->softfloat_flush_underflow_to_zero;
}

/*----------------------------------------------------------------------------
| Obtain current rounding precision for F80.
*----------------------------------------------------------------------------*/
static __inline uint8_t softfloat_extF80_roundingPrecision(const struct softfloat_status_t *status) {
    return status->extF80_roundingPrecision;
}

/*----------------------------------------------------------------------------
| Returns raised IEC/IEEE floating-point exception flags.
*----------------------------------------------------------------------------*/
static __inline int softfloat_getExceptionFlags(const struct softfloat_status_t *status) {
    return status->softfloat_exceptionFlags & ~status->softfloat_suppressException;
}

/*----------------------------------------------------------------------------
| Raise floating point precision lost up flag (floatx80 only).
*----------------------------------------------------------------------------*/
#ifdef FLOATX80
static __inline void softfloat_setRoundingUp(struct softfloat_status_t *status) {
    status->softfloat_exceptionFlags |= RAISE_SW_C1;
}
#endif

/*----------------------------------------------------------------------------
| Integer-to-floating-point conversion routines.
*----------------------------------------------------------------------------*/
float16 ui32_to_f16(uint32_t, struct softfloat_status_t *);
float32 ui32_to_f32(uint32_t, struct softfloat_status_t *);
float64 ui32_to_f64(uint32_t);
float16 ui64_to_f16(uint64_t, struct softfloat_status_t *);
float32 ui64_to_f32(uint64_t, struct softfloat_status_t *);
float64 ui64_to_f64(uint64_t, struct softfloat_status_t *);
float16 i32_to_f16(int32_t, struct softfloat_status_t *);
float32 i32_to_f32(int32_t, struct softfloat_status_t *);
float64 i32_to_f64(int32_t);
float16 i64_to_f16(int64_t, struct softfloat_status_t *);
float32 i64_to_f32(int64_t, struct softfloat_status_t *);
float64 i64_to_f64(int64_t, struct softfloat_status_t *);

static __inline float16 i16_to_f16(int16_t a, struct softfloat_status_t *status) {
  return i32_to_f16((int32_t)(a), status);
}

static __inline float16 ui16_to_f16(uint16_t a, struct softfloat_status_t *status) {
  return ui32_to_f16((uint32_t)(a), status);
}

/*----------------------------------------------------------------------------
| 16-bit (half-precision) floating-point operations.
*----------------------------------------------------------------------------*/
uint32_t f16_to_ui32(float16, uint8_t, bool, struct softfloat_status_t *);
uint64_t f16_to_ui64(float16, uint8_t, bool, struct softfloat_status_t *);
int32_t f16_to_i32(float16, uint8_t, bool, struct softfloat_status_t *);
int64_t f16_to_i64(float16, uint8_t, bool, struct softfloat_status_t *);
uint32_t f16_to_ui32_r_minMag(float16, bool, struct softfloat_status_t *);
uint64_t f16_to_ui64_r_minMag(float16, bool, struct softfloat_status_t *);
int32_t f16_to_i32_r_minMag(float16, bool, struct softfloat_status_t *);
int64_t f16_to_i64_r_minMag(float16, bool, struct softfloat_status_t *);
float32 f16_to_f32(float16, struct softfloat_status_t *);
float64 f16_to_f64(float16, struct softfloat_status_t *);
float16 f16_roundToInt(float16, uint8_t, uint8_t, bool, struct softfloat_status_t *);
float16 f16_add(float16, float16, struct softfloat_status_t *);
float16 f16_sub(float16, float16, struct softfloat_status_t *);
float16 f16_mul(float16, float16, struct softfloat_status_t *);
float16 f16_mulAdd(float16, float16, float16, uint8_t op, struct softfloat_status_t *);
float16 f16_div(float16, float16, struct softfloat_status_t *);
float16 f16_min(float16, float16, struct softfloat_status_t *);
float16 f16_max(float16, float16, struct softfloat_status_t *);
float16 f16_getExp(float16, struct softfloat_status_t *);
float16 f16_getMant(float16, struct softfloat_status_t *, int, int);
float16 f16_range(float16, float16, bool is_max, bool is_abs, int sign_ctrl, struct softfloat_status_t *);
int f16_compare(float16, float16, bool, struct softfloat_status_t *);
float16 f16_sqrt(float16, struct softfloat_status_t *);
softfloat_class_t f16_class(float16);

#ifdef __cplusplus
extern "C" {
#endif
bool f16_isSignalingNaN(float16);
bool f16_isNaN(float16);
#ifdef __cplusplus
}
#endif

bool f16_sign(float16);
int8_t f16_exp(float16);
uint16_t f16_fraction(float16);
float16 f16_denormal_to_zero(float16);

static __inline int f16_compare_normal(float16 a, float16 b, struct softfloat_status_t *status) {
  return f16_compare(a, b, 0, status);
}

static __inline int f16_compare_quiet(float16 a, float16 b, struct softfloat_status_t *status) {
  return f16_compare(a, b, 1, status);
}

static __inline float16 f16_roundToInt_normal(float16 a, uint8_t scale, struct softfloat_status_t *status) {
    return f16_roundToInt(a, scale, softfloat_getRoundingMode(status), true, status);
}
static __inline float16 f16_roundToInt_noscale(float16 a, struct softfloat_status_t *status) {
    return f16_roundToInt(a, 0, softfloat_getRoundingMode(status), true, status);
}

static __inline int64_t f16_to_i64_normal(float16 a, struct softfloat_status_t *status) {
    return f16_to_i64(a, softfloat_getRoundingMode(status), true, status);
}
static __inline int32_t f16_to_i32_normal(float16 a, struct softfloat_status_t *status) {
    return f16_to_i32(a, softfloat_getRoundingMode(status), true, status);
}

static __inline int16_t f16_to_i16(float16 a, struct softfloat_status_t *status)
{
    int32_t val_32 = f16_to_i32_normal(a, status);
    int16_t val_16 = (int16_t) val_32;
    if ((int32_t)(val_16) != val_32) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return (int16_t) 0x8000;
    }
    return val_16;
}

static __inline int64_t f16_to_i64_round_to_zero(float16 a, struct softfloat_status_t *status) {
    return f16_to_i64_r_minMag(a, true, status);
}
static __inline int32_t f16_to_i32_round_to_zero(float16 a, struct softfloat_status_t *status) {
    return f16_to_i32_r_minMag(a, true, status);
}

static __inline int16_t f16_to_i16_round_to_zero(float16 a, struct softfloat_status_t *status)
{
    int32_t val_32 = f16_to_i32_round_to_zero(a, status);
    int16_t val_16 = (int16_t) val_32;
    if ((int32_t)(val_16) != val_32) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return (int16_t) 0x8000;
    }
    return val_16;
}

static __inline uint64_t f16_to_ui64_normal(float16 a, struct softfloat_status_t *status) {
    return f16_to_ui64(a, softfloat_getRoundingMode(status), true, status);
}
static __inline uint32_t f16_to_ui32_normal(float16 a, struct softfloat_status_t *status) {
    return f16_to_ui32(a, softfloat_getRoundingMode(status), true, status);
}

static __inline uint16_t f16_to_ui16(float16 a, struct softfloat_status_t *status)
{
    uint32_t val_32 = f16_to_ui32_normal(a, status);
    if (val_32 > 0xFFFF) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return 0xFFFF;
    }
    return (uint16_t) val_32;
}

static __inline uint64_t f16_to_ui64_round_to_zero(float16 a, struct softfloat_status_t *status) {
    return f16_to_ui64_r_minMag(a, true, status);
}
static __inline uint32_t f16_to_ui32_round_to_zero(float16 a, struct softfloat_status_t *status) {
    return f16_to_ui32_r_minMag(a, true, status);
}

static __inline uint16_t f16_to_ui16_round_to_zero(float16 a, struct softfloat_status_t *status)
{
    uint32_t val_32 = f16_to_ui32_round_to_zero(a, status);
    if (val_32 > 0xFFFF) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return 0xFFFF;
    }
    return (uint16_t) val_32;
}

static __inline float16 f16_fmadd(float16 a, float16 b, float16 c, struct softfloat_status_t *status) {
    return f16_mulAdd(a, b, c, 0, status);
}
static __inline float16 f16_fmsub(float16 a, float16 b, float16 c, struct softfloat_status_t *status) {
    return f16_mulAdd(a, b, c, softfloat_muladd_negate_c, status);
}
static __inline float16 f16_fnmadd(float16 a, float16 b, float16 c, struct softfloat_status_t *status) {
    return f16_mulAdd(a, b, c, softfloat_muladd_negate_product, status);
}
static __inline float16 f16_fnmsub(float16 a, float16 b, float16 c, struct softfloat_status_t *status) {
    return f16_mulAdd(a, b, c, softfloat_muladd_negate_result, status);
}

/*----------------------------------------------------------------------------
| 32-bit (single-precision) floating-point operations.
*----------------------------------------------------------------------------*/
uint32_t f32_to_ui32(float32, uint8_t, bool, struct softfloat_status_t *);
uint64_t f32_to_ui64(float32, uint8_t, bool, struct softfloat_status_t *);
int32_t f32_to_i32(float32, uint8_t, bool, struct softfloat_status_t *);
int64_t f32_to_i64(float32, uint8_t, bool, struct softfloat_status_t *);
uint32_t f32_to_ui32_r_minMag(float32, bool, struct softfloat_status_t *);
uint64_t f32_to_ui64_r_minMag(float32, bool, struct softfloat_status_t *);
int32_t f32_to_i32_r_minMag(float32, bool, struct softfloat_status_t *);
int64_t f32_to_i64_r_minMag(float32, bool, struct softfloat_status_t *);
float16 f32_to_f16(float32, struct softfloat_status_t *);
float64 f32_to_f64(float32, struct softfloat_status_t *);
float32 f32_roundToInt(float32, uint8_t, uint8_t, bool, struct softfloat_status_t *);
float32 f32_add(float32, float32, struct softfloat_status_t *);
float32 f32_sub(float32, float32, struct softfloat_status_t *);
float32 f32_mul(float32, float32, struct softfloat_status_t *);
float32 f32_mulAdd(float32, float32, float32, uint8_t op, struct softfloat_status_t *);
float32 f32_div(float32, float32, struct softfloat_status_t *);
float32 f32_min(float32, float32, struct softfloat_status_t *);
float32 f32_max(float32, float32, struct softfloat_status_t *);
float32 f32_scalef(float32, float32, struct softfloat_status_t *);
float32 f32_getExp(float32, struct softfloat_status_t *);
float32 f32_getMant(float32, struct softfloat_status_t *, int, int);
float32 f32_range(float32, float32, bool is_max, bool is_abs, int sign_ctrl, struct softfloat_status_t *);
float32 f32_frc(float32, struct softfloat_status_t *);
int f32_compare(float32, float32, bool, struct softfloat_status_t *);
float32 f32_sqrt(float32, struct softfloat_status_t *);
softfloat_class_t f32_class(float32);

#ifdef __cplusplus
extern "C" {
#endif
bool f32_isSignalingNaN(float32);
bool f32_isNaN(float32);
#ifdef __cplusplus
}
#endif

bool f32_sign(float32);
int16_t f32_exp(float32);
uint32_t f32_fraction(float32);
float32 f32_denormal_to_zero(float32);

static __inline int f32_compare_normal(float32 a, float32 b, struct softfloat_status_t *status) {
    return f32_compare(a, b, 0, status);
}

static __inline int f32_compare_quiet(float32 a, float32 b, struct softfloat_status_t *status) {
    return f32_compare(a, b, 1, status);
}

static __inline float32 f32_roundToInt_normal(float32 a, uint8_t scale, struct softfloat_status_t *status) {
    return f32_roundToInt(a, scale, softfloat_getRoundingMode(status), true, status);
}
static __inline float32 f32_roundToInt_noscale(float32 a, struct softfloat_status_t *status) {
    return f32_roundToInt(a, 0, softfloat_getRoundingMode(status), true, status);
}

static __inline int32_t f32_to_i32_normal(float32 a, struct softfloat_status_t *status) {
    return f32_to_i32(a, softfloat_getRoundingMode(status), true, status);
}
static __inline int64_t f32_to_i64_normal(float32 a, struct softfloat_status_t *status) {
    return f32_to_i64(a, softfloat_getRoundingMode(status), true, status);
}

static __inline int32_t f32_to_i32_round_to_zero(float32 a, struct softfloat_status_t *status) {
    return f32_to_i32_r_minMag(a, true, status);
}
static __inline int64_t f32_to_i64_round_to_zero(float32 a, struct softfloat_status_t *status) {
    return f32_to_i64_r_minMag(a, true, status);
}

static __inline uint32_t f32_to_ui32_normal(float32 a, struct softfloat_status_t *status) {
    return f32_to_ui32(a, softfloat_getRoundingMode(status), true, status);
}
static __inline uint64_t f32_to_ui64_normal(float32 a, struct softfloat_status_t *status) {
    return f32_to_ui64(a, softfloat_getRoundingMode(status), true, status);
}

static __inline uint32_t f32_to_ui32_round_to_zero(float32 a, struct softfloat_status_t *status) {
    return f32_to_ui32_r_minMag(a, true, status);
}
static __inline uint64_t f32_to_ui64_round_to_zero(float32 a, struct softfloat_status_t *status) {
    return f32_to_ui64_r_minMag(a, true, status);
}

static __inline float32 f32_fmadd(float32 a, float32 b, float32 c, struct softfloat_status_t *status) {
    return f32_mulAdd(a, b, c, 0, status);
}
static __inline float32 f32_fmsub(float32 a, float32 b, float32 c, struct softfloat_status_t *status) {
    return f32_mulAdd(a, b, c, softfloat_muladd_negate_c, status);
}
static __inline float32 f32_fnmadd(float32 a, float32 b, float32 c, struct softfloat_status_t *status) {
    return f32_mulAdd(a, b, c, softfloat_muladd_negate_product, status);
}
static __inline float32 f32_fnmsub(float32 a, float32 b, float32 c, struct softfloat_status_t *status) {
    return f32_mulAdd(a, b, c, softfloat_muladd_negate_result, status);
}

/*----------------------------------------------------------------------------
| 64-bit (double-precision) floating-point operations.
*----------------------------------------------------------------------------*/
uint32_t f64_to_ui32(float64, uint8_t, bool, struct softfloat_status_t *);
uint64_t f64_to_ui64(float64, uint8_t, bool, struct softfloat_status_t *);
int32_t f64_to_i32(float64, uint8_t, bool, struct softfloat_status_t *);
int64_t f64_to_i64(float64, uint8_t, bool, struct softfloat_status_t *);
uint32_t f64_to_ui32_r_minMag(float64, bool, struct softfloat_status_t *);
uint64_t f64_to_ui64_r_minMag(float64, bool, struct softfloat_status_t *);
int32_t f64_to_i32_r_minMag(float64, bool, struct softfloat_status_t *);
int64_t f64_to_i64_r_minMag(float64, bool, struct softfloat_status_t *);
float16 f64_to_f16(float64, struct softfloat_status_t *);
float32 f64_to_f32(float64, struct softfloat_status_t *);
float64 f64_roundToInt(float64, uint8_t, uint8_t, bool, struct softfloat_status_t *);
float64 f64_add(float64, float64, struct softfloat_status_t *);
float64 f64_sub(float64, float64, struct softfloat_status_t *);
float64 f64_mul(float64, float64, struct softfloat_status_t *);
float64 f64_mulAdd(float64, float64, float64, uint8_t op, struct softfloat_status_t *);
float64 f64_div(float64, float64, struct softfloat_status_t *);
float64 f64_min(float64, float64, struct softfloat_status_t *);
float64 f64_max(float64, float64, struct softfloat_status_t *);
float64 f64_scalef(float64, float64, struct softfloat_status_t *);
float64 f64_getExp(float64, struct softfloat_status_t *);
float64 f64_getMant(float64, struct softfloat_status_t *, int, int);
float64 f64_range(float64, float64, bool is_max, bool is_abs, int sign_ctrl, struct softfloat_status_t *);
float64 f64_frc(float64, struct softfloat_status_t *);
int f64_compare(float64, float64, bool, struct softfloat_status_t *);
float64 f64_sqrt(float64, struct softfloat_status_t *);
softfloat_class_t f64_class(float64);

#ifdef __cplusplus
extern "C" {
#endif
bool f64_isSignalingNaN(float64);
bool f64_isNaN(float64);
#ifdef __cplusplus
}
#endif

bool f64_sign(float64);
int16_t f64_exp(float64);
uint64_t f64_fraction(float64);
float64 f64_denormal_to_zero(float64);

static __inline int f64_compare_normal(float64 a, float64 b, struct softfloat_status_t *status) {
    return f64_compare(a, b, 0, status);
}

static __inline int f64_compare_quiet(float64 a, float64 b, struct softfloat_status_t *status) {
    return f64_compare(a, b, 1, status);
}

static __inline float64 f64_roundToInt_normal(float64 a, uint8_t scale, struct softfloat_status_t *status) {
    return f64_roundToInt(a, scale, softfloat_getRoundingMode(status), true, status);
}
static __inline float64 f64_roundToInt_noscale(float64 a, struct softfloat_status_t *status) {
    return f64_roundToInt(a, 0, softfloat_getRoundingMode(status), true, status);
}

static __inline int32_t f64_to_i32_normal(float64 a, struct softfloat_status_t *status) {
    return f64_to_i32(a, softfloat_getRoundingMode(status), true, status);
}
static __inline int64_t f64_to_i64_normal(float64 a, struct softfloat_status_t *status) {
    return f64_to_i64(a, softfloat_getRoundingMode(status), true, status);
}

static __inline int32_t f64_to_i32_round_to_zero(float64 a, struct softfloat_status_t *status) {
    return f64_to_i32_r_minMag(a, true, status);
}
static __inline int64_t f64_to_i64_round_to_zero(float64 a, struct softfloat_status_t *status) {
    return f64_to_i64_r_minMag(a, true, status);
}

static __inline uint32_t f64_to_ui32_normal(float64 a, struct softfloat_status_t *status) {
    return f64_to_ui32(a, softfloat_getRoundingMode(status), true, status);
}
static __inline uint64_t f64_to_ui64_normal(float64 a, struct softfloat_status_t *status) {
    return f64_to_ui64(a, softfloat_getRoundingMode(status), true, status);
}

static __inline uint32_t f64_to_ui32_round_to_zero(float64 a, struct softfloat_status_t *status) {
    return f64_to_ui32_r_minMag(a, true, status);
}
static __inline uint64_t f64_to_ui64_round_to_zero(float64 a, struct softfloat_status_t *status) {
    return f64_to_ui64_r_minMag(a, true, status);
}

static __inline float64 f64_fmadd(float64 a, float64 b, float64 c, struct softfloat_status_t *status) {
    return f64_mulAdd(a, b, c, 0, status);
}
static __inline float64 f64_fmsub(float64 a, float64 b, float64 c, struct softfloat_status_t *status) {
    return f64_mulAdd(a, b, c, softfloat_muladd_negate_c, status);
}
static __inline float64 f64_fnmadd(float64 a, float64 b, float64 c, struct softfloat_status_t *status) {
    return f64_mulAdd(a, b, c, softfloat_muladd_negate_product, status);
}
static __inline float64 f64_fnmsub(float64 a, float64 b, float64 c, struct softfloat_status_t *status) {
    return f64_mulAdd(a, b, c, softfloat_muladd_negate_result, status);
}

#ifdef __cplusplus
extern "C" {
#endif
/*----------------------------------------------------------------------------
| 80-bit extended double-precision floating-point operations.
*----------------------------------------------------------------------------*/
extFloat80_t f16_to_extF80(float16, struct softfloat_status_t *);
extFloat80_t f32_to_extF80(float32, struct softfloat_status_t *);
extFloat80_t f64_to_extF80(float64, struct softfloat_status_t *);
extFloat80_t i32_to_extF80(int32_t);
extFloat80_t i64_to_extF80(int64_t);
extFloat80_t ui32_to_extF80(uint32_t);
extFloat80_t ui64_to_extF80(uint64_t);

uint32_t extF80_to_ui32(extFloat80_t, uint8_t, bool, struct softfloat_status_t *);
uint64_t extF80_to_ui64(extFloat80_t, uint8_t, bool, struct softfloat_status_t *);
int32_t extF80_to_i32(extFloat80_t, uint8_t, bool, struct softfloat_status_t *);
int64_t extF80_to_i64(extFloat80_t, uint8_t, bool, struct softfloat_status_t *);
uint32_t extF80_to_ui32_r_minMag(extFloat80_t, bool, struct softfloat_status_t *);
uint64_t extF80_to_ui64_r_minMag(extFloat80_t, bool, struct softfloat_status_t *);
int32_t extF80_to_i32_r_minMag(extFloat80_t, bool, struct softfloat_status_t *);
int64_t extF80_to_i64_r_minMag(extFloat80_t, bool, struct softfloat_status_t *);
float16 extF80_to_f16(extFloat80_t, struct softfloat_status_t *);
float32 extF80_to_f32(extFloat80_t, struct softfloat_status_t *);
float64 extF80_to_f64(extFloat80_t, struct softfloat_status_t *);
float128_t extF80_to_f128(extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_roundToInt(extFloat80_t, uint8_t, bool, struct softfloat_status_t *);
extFloat80_t extF80_add(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_sub(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_mul(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_div(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_rem(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_scale(extFloat80_t, extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_sqrt(extFloat80_t, struct softfloat_status_t *);
extFloat80_t extF80_extract(extFloat80_t *, struct softfloat_status_t *);
int extF80_compare(extFloat80_t, extFloat80_t, int, struct softfloat_status_t *);
softfloat_class_t extF80_class(extFloat80_t);

static __inline int extF80_compare_normal(extFloat80_t a, extFloat80_t b, struct softfloat_status_t *status) {
    return extF80_compare(a, b, 0, status);
}

static __inline int extF80_compare_quiet(extFloat80_t a, extFloat80_t b, struct softfloat_status_t *status) {
    return extF80_compare(a, b, 1, status);
}

static __inline extFloat80_t extF80_roundToInt_normal(extFloat80_t a, struct softfloat_status_t *status) {
    return extF80_roundToInt(a, softfloat_getRoundingMode(status), true, status);
}

static __inline int64_t extF80_to_i64_normal(extFloat80_t a, struct softfloat_status_t *status) {
    return extF80_to_i64(a, softfloat_getRoundingMode(status), true, status);
}
static __inline int32_t extF80_to_i32_normal(extFloat80_t a, struct softfloat_status_t *status) {
    return extF80_to_i32(a, softfloat_getRoundingMode(status), true, status);
}

static __inline int16_t extF80_to_i16(extFloat80_t a, struct softfloat_status_t *status)
{
    int32_t v32 = extF80_to_i32_normal(a, status);
    int16_t v16 = (int16_t) v32;

    if ((int32_t)(v16) != v32) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return (int16_t) 0x8000;
    }
    return v16;
}

static __inline int64_t extF80_to_i64_round_to_zero(extFloat80_t a, struct softfloat_status_t *status) {
    return extF80_to_i64_r_minMag(a, true, status);
}
static __inline int32_t extF80_to_i32_round_to_zero(extFloat80_t a, struct softfloat_status_t *status) {
    return extF80_to_i32_r_minMag(a, true, status);
}

static __inline int16_t extF80_to_i16_round_to_zero(extFloat80_t a, struct softfloat_status_t *status)
{
    int32_t v32 = extF80_to_i32_round_to_zero(a, status);
    int16_t v16 = (int16_t) v32;

    if ((int32_t)(v16) != v32) {
        softfloat_setFlags(status, softfloat_flag_invalid);
        return (int16_t) 0x8000;
    }
    return v16;
}

bool extF80_isUnsupported(extFloat80_t);
bool extF80_isSignalingNaN(extFloat80_t);
bool extF80_isNaN(extFloat80_t);

bool extF80_sign(extFloat80_t);
int16_t extF80_exp(extFloat80_t);
uint64_t extF80_fraction(extFloat80_t);

/*----------------------------------------------------------------------------
| 128-bit (quadruple-precision) floating-point operations.
*----------------------------------------------------------------------------*/
float128_t f32_to_f128(float32, struct softfloat_status_t *);
float128_t f64_to_f128(float64, struct softfloat_status_t *);
float128_t i32_to_f128(int32_t);
float128_t i64_to_f128(int64_t);
float128_t ui32_to_f128(uint32_t);
float128_t ui64_to_f128(uint64_t);

uint32_t f128_to_ui32(float128_t, uint8_t, bool, struct softfloat_status_t *);
uint64_t f128_to_ui64(float128_t, uint8_t, bool, struct softfloat_status_t *);
int32_t f128_to_i32(float128_t, uint8_t, bool, struct softfloat_status_t *);
int64_t f128_to_i64(float128_t, uint8_t, bool, struct softfloat_status_t *);
uint32_t f128_to_ui32_r_minMag(float128_t, bool, struct softfloat_status_t *);
uint64_t f128_to_ui64_r_minMag(float128_t, bool, struct softfloat_status_t *);
int32_t f128_to_i32_r_minMag(float128_t, bool, struct softfloat_status_t *);
int64_t f128_to_i64_r_minMag(float128_t, bool, struct softfloat_status_t *);
float32 f128_to_f32(float128_t, struct softfloat_status_t *);
float64 f128_to_f64(float128_t, struct softfloat_status_t *);
extFloat80_t f128_to_extF80(float128_t, struct softfloat_status_t *);
float128_t f128_roundToInt(float128_t, uint8_t, bool, struct softfloat_status_t *);
float128_t f128_add(float128_t, float128_t, struct softfloat_status_t *);
float128_t f128_sub(float128_t, float128_t, struct softfloat_status_t *);
float128_t f128_mul(float128_t, float128_t, struct softfloat_status_t *);
float128_t f128_mulAdd(float128_t, float128_t, float128_t, uint8_t op, struct softfloat_status_t *);
float128_t f128_div(float128_t, float128_t, struct softfloat_status_t *);
float128_t f128_sqrt(float128_t, struct softfloat_status_t *);
bool f128_isSignalingNaN(float128_t);
bool f128_isNaN(float128_t);
#ifdef __cplusplus
}
#endif
#endif