Upgrade to SoftFloat 3e

1 files changed, 369 insertions, 254 deletions

diff --git a/softfloat/softfloat.h b/softfloat/softfloat.h
index a1847be..0c90f52 100755..100644
--- a/softfloat/softfloat.h
+++ b/softfloat/softfloat.h
@@ -1,254 +1,369 @@
-// See LICENSE.SoftFloat for license details.
-
-

-#ifndef softfloat_h

-#define softfloat_h

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-/*** UPDATE COMMENTS. ***/

-

-/*============================================================================

-

-This C header file is part of the SoftFloat IEEE Floating-point Arithmetic

-Package, Release 2b.

-

-Written by John R. Hauser.  This work was made possible in part by the

-International Computer Science Institute, located at Suite 600, 1947 Center

-Street, Berkeley, California 94704.  Funding was partially provided by the

-National Science Foundation under grant MIP-9311980.  The original version

-of this code was written as part of a project to build a fixed-point vector

-processor in collaboration with the University of California at Berkeley,

-overseen by Profs. Nelson Morgan and John Wawrzynek.  More information

-is available through the Web page `http://www.cs.berkeley.edu/~jhauser/

-arithmetic/SoftFloat.html'.

-

-THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort has

-been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT TIMES

-RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO PERSONS

-AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ALL LOSSES,

-COSTS, OR OTHER PROBLEMS THEY INCUR DUE TO THE SOFTWARE, AND WHO FURTHERMORE

-EFFECTIVELY INDEMNIFY JOHN HAUSER AND THE INTERNATIONAL COMPUTER SCIENCE

-INSTITUTE (possibly via similar legal warning) AGAINST ALL LOSSES, COSTS, OR

-OTHER PROBLEMS INCURRED BY THEIR CUSTOMERS AND CLIENTS DUE TO THE SOFTWARE.

-

-Derivative works are acceptable, even for commercial purposes, so long as

-(1) the source code for the derivative work includes prominent notice that

-the work is derivative, and (2) the source code includes prominent notice with

-these four paragraphs for those parts of this code that are retained.

-

-=============================================================================*/

-

-#include "softfloat_types.h"

-

-/*----------------------------------------------------------------------------

-| Software floating-point underflow tininess-detection mode.

-*----------------------------------------------------------------------------*/

-enum {

-    softfloat_tininess_beforeRounding = 0,

-    softfloat_tininess_afterRounding  = 1

-};

-

-/*----------------------------------------------------------------------------

-| Software floating-point rounding mode.

-*----------------------------------------------------------------------------*/

-enum {

-    softfloat_round_nearest_even   = 0,

-    softfloat_round_minMag         = 1,

-    softfloat_round_min            = 2,

-    softfloat_round_max            = 3,

-    softfloat_round_nearest_maxMag = 4

-};

-

-/*----------------------------------------------------------------------------

-| Software floating-point exception flags.

-*----------------------------------------------------------------------------*/

-extern int_fast8_t softfloat_exceptionFlags;

-enum {

-    softfloat_flag_inexact   =  1,

-    softfloat_flag_underflow =  2,

-    softfloat_flag_overflow  =  4,

-    softfloat_flag_infinity  =  8,

-    softfloat_flag_invalid   = 16

-};

-

-/*----------------------------------------------------------------------------

-| Integer-to-floating-point conversion routines.

-*----------------------------------------------------------------------------*/

-float32_t ui32_to_f32( uint_fast32_t );

-float64_t ui32_to_f64( uint_fast32_t );

-floatx80_t ui32_to_fx80( uint_fast32_t );

-float128_t ui32_to_f128( uint_fast32_t );

-float32_t ui64_to_f32( uint_fast64_t );

-float64_t ui64_to_f64( uint_fast64_t );

-floatx80_t ui64_to_fx80( uint_fast64_t );

-float128_t ui64_to_f128( uint_fast64_t );

-float32_t i32_to_f32( int_fast32_t );

-float64_t i32_to_f64( int_fast32_t );

-floatx80_t i32_to_fx80( int_fast32_t );

-float128_t i32_to_f128( int_fast32_t );

-float32_t i64_to_f32( int_fast64_t );

-float64_t i64_to_f64( int_fast64_t );

-floatx80_t i64_to_fx80( int_fast64_t );

-float128_t i64_to_f128( int_fast64_t );

-

-/*----------------------------------------------------------------------------

-| 32-bit (single-precision) floating-point operations.

-*----------------------------------------------------------------------------*/

-uint_fast32_t f32_to_ui32( float32_t, int_fast8_t, bool );

-uint_fast64_t f32_to_ui64( float32_t, int_fast8_t, bool );

-int_fast32_t f32_to_i32( float32_t, int_fast8_t, bool );

-int_fast64_t f32_to_i64( float32_t, int_fast8_t, bool );

-uint_fast32_t f32_to_ui32_r_minMag( float32_t, bool );

-uint_fast64_t f32_to_ui64_r_minMag( float32_t, bool );

-int_fast32_t f32_to_i32_r_minMag( float32_t, bool );

-int_fast64_t f32_to_i64_r_minMag( float32_t, bool );

-float64_t f32_to_f64( float32_t );

-floatx80_t f32_to_fx80( float32_t );

-float128_t f32_to_f128( float32_t );

-float32_t f32_roundToInt( float32_t, int_fast8_t, bool );

-float32_t f32_add( float32_t, float32_t );

-float32_t f32_sub( float32_t, float32_t );

-float32_t f32_mul( float32_t, float32_t );

-float32_t f32_mulAdd( float32_t, float32_t, float32_t );

-float32_t f32_div( float32_t, float32_t );

-float32_t f32_rem( float32_t, float32_t );

-float32_t f32_sqrt( float32_t );

-bool f32_eq( float32_t, float32_t );

-bool f32_le( float32_t, float32_t );

-bool f32_lt( float32_t, float32_t );

-bool f32_eq_signaling( float32_t, float32_t );

-bool f32_le_quiet( float32_t, float32_t );

-bool f32_lt_quiet( float32_t, float32_t );

-bool f32_isSignalingNaN( float32_t );

-uint_fast16_t f32_classify( float32_t a );

-

-/*----------------------------------------------------------------------------

-| 64-bit (double-precision) floating-point operations.

-*----------------------------------------------------------------------------*/

-uint_fast32_t f64_to_ui32( float64_t, int_fast8_t, bool );

-uint_fast64_t f64_to_ui64( float64_t, int_fast8_t, bool );

-int_fast32_t f64_to_i32( float64_t, int_fast8_t, bool );

-int_fast64_t f64_to_i64( float64_t, int_fast8_t, bool );

-uint_fast32_t f64_to_ui32_r_minMag( float64_t, bool );

-uint_fast64_t f64_to_ui64_r_minMag( float64_t, bool );

-int_fast32_t f64_to_i32_r_minMag( float64_t, bool );

-int_fast64_t f64_to_i64_r_minMag( float64_t, bool );

-float32_t f64_to_f32( float64_t );

-floatx80_t f64_to_fx80( float64_t );

-float128_t f64_to_f128( float64_t );

-float64_t f64_roundToInt( float64_t, int_fast8_t, bool );

-float64_t f64_add( float64_t, float64_t );

-float64_t f64_sub( float64_t, float64_t );

-float64_t f64_mul( float64_t, float64_t );

-float64_t f64_mulAdd( float64_t, float64_t, float64_t );

-float64_t f64_div( float64_t, float64_t );

-float64_t f64_rem( float64_t, float64_t );

-float64_t f64_sqrt( float64_t );

-bool f64_eq( float64_t, float64_t );

-bool f64_le( float64_t, float64_t );

-bool f64_lt( float64_t, float64_t );

-bool f64_eq_signaling( float64_t, float64_t );

-bool f64_le_quiet( float64_t, float64_t );

-bool f64_lt_quiet( float64_t, float64_t );

-bool f64_isSignalingNaN( float64_t );

-uint_fast16_t f64_classify( float64_t a );

-

-/*----------------------------------------------------------------------------

-| Extended double-precision rounding precision.  Valid values are 32, 64, and

-| 80.

-*----------------------------------------------------------------------------*/

-extern int_fast8_t floatx80_roundingPrecision;

-

-/*----------------------------------------------------------------------------

-| Extended double-precision floating-point operations.

-*----------------------------------------------------------------------------*/

-uint_fast32_t fx80_to_ui32( floatx80_t, int_fast8_t, bool );

-uint_fast64_t fx80_to_ui64( floatx80_t, int_fast8_t, bool );

-int_fast32_t fx80_to_i32( floatx80_t, int_fast8_t, bool );

-int_fast64_t fx80_to_i64( floatx80_t, int_fast8_t, bool );

-uint_fast32_t fx80_to_ui32_r_minMag( floatx80_t, bool );

-uint_fast64_t fx80_to_ui64_r_minMag( floatx80_t, bool );

-int_fast32_t fx80_to_i32_r_minMag( floatx80_t, bool );

-int_fast64_t fx80_to_i64_r_minMag( floatx80_t, bool );

-float32_t fx80_to_f32( floatx80_t );

-float64_t fx80_to_f64( floatx80_t );

-float128_t fx80_to_f128( floatx80_t );

-floatx80_t fx80_roundToInt( floatx80_t, int_fast8_t, bool );

-floatx80_t fx80_add( floatx80_t, floatx80_t );

-floatx80_t fx80_sub( floatx80_t, floatx80_t );

-floatx80_t fx80_mul( floatx80_t, floatx80_t );

-floatx80_t fx80_mulAdd( floatx80_t, floatx80_t, floatx80_t );

-floatx80_t fx80_div( floatx80_t, floatx80_t );

-floatx80_t fx80_rem( floatx80_t, floatx80_t );

-floatx80_t fx80_sqrt( floatx80_t );

-bool fx80_eq( floatx80_t, floatx80_t );

-bool fx80_le( floatx80_t, floatx80_t );

-bool fx80_lt( floatx80_t, floatx80_t );

-bool fx80_eq_signaling( floatx80_t, floatx80_t );

-bool fx80_le_quiet( floatx80_t, floatx80_t );

-bool fx80_lt_quiet( floatx80_t, floatx80_t );

-bool fx80_isSignalingNaN( floatx80_t );

-

-/*----------------------------------------------------------------------------

-| 128-bit (quadruple-precision) floating-point operations.

-*----------------------------------------------------------------------------*/

-uint_fast32_t f128_to_ui32( float128_t, int_fast8_t, bool );

-uint_fast64_t f128_to_ui64( float128_t, int_fast8_t, bool );

-int_fast32_t f128_to_i32( float128_t, int_fast8_t, bool );

-int_fast64_t f128_to_i64( float128_t, int_fast8_t, bool );

-uint_fast32_t f128_to_ui32_r_minMag( float128_t, bool );

-uint_fast64_t f128_to_ui64_r_minMag( float128_t, bool );

-int_fast32_t f128_to_i32_r_minMag( float128_t, bool );

-int_fast64_t f128_to_i64_r_minMag( float128_t, bool );

-float32_t f128_to_f32( float128_t );

-float64_t f128_to_f64( float128_t );

-floatx80_t f128_to_fx80( float128_t );

-float128_t f128_roundToInt( float128_t, int_fast8_t, bool );

-float128_t f128_add( float128_t, float128_t );

-float128_t f128_sub( float128_t, float128_t );

-float128_t f128_mul( float128_t, float128_t );

-float128_t f128_mulAdd( float128_t, float128_t, float128_t );

-float128_t f128_div( float128_t, float128_t );

-float128_t f128_rem( float128_t, float128_t );

-float128_t f128_sqrt( float128_t );

-bool f128_eq( float128_t, float128_t );

-bool f128_le( float128_t, float128_t );

-bool f128_lt( float128_t, float128_t );

-bool f128_eq_signaling( float128_t, float128_t );

-bool f128_le_quiet( float128_t, float128_t );

-bool f128_lt_quiet( float128_t, float128_t );

-bool f128_isSignalingNaN( float128_t );

-

-#include "specialize.h"

-

-/*----------------------------------------------------------------------------

-| Returns 1 if the single-precision floating-point value `a' is a NaN;

-| otherwise, returns 0.

-*----------------------------------------------------------------------------*/

-#define isNaNF32UI( ui ) (0xFF000000<(uint32_t)((uint_fast32_t)(ui)<<1))

-/*----------------------------------------------------------------------------

-| Returns 1 if the double-precision floating-point value `a' is a NaN;

-| otherwise, returns 0.

-*----------------------------------------------------------------------------*/

-#define isNaNF64UI( ui ) (UINT64_C(0xFFE0000000000000)<(uint64_t)((uint_fast64_t)(ui)<<1))

-

-enum {

-    softfloat_mulAdd_subC    = 1,

-    softfloat_mulAdd_subProd = 2

-};

-

-float32_t

- softfloat_mulAddF32( int, uint_fast32_t, uint_fast32_t, uint_fast32_t );

-

-float64_t

- softfloat_mulAddF64( int, uint_fast64_t, uint_fast64_t, uint_fast64_t );

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

+
+/*============================================================================
+
+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 1
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "softfloat_types.h"
+
+#ifndef THREAD_LOCAL
+#define THREAD_LOCAL
+#endif
+
+/*----------------------------------------------------------------------------
+| Software floating-point underflow tininess-detection mode.
+*----------------------------------------------------------------------------*/
+enum {
+    softfloat_tininess_beforeRounding = 0,
+    softfloat_tininess_afterRounding  = 1
+};
+#define softfloat_detectTininess softfloat_tininess_afterRounding
+
+/*----------------------------------------------------------------------------
+| Software floating-point rounding mode.  (Mode "odd" is supported only if
+| SoftFloat is compiled with macro 'SOFTFLOAT_ROUND_ODD' defined.)
+*----------------------------------------------------------------------------*/
+enum {
+    softfloat_round_near_even   = 0,
+    softfloat_round_minMag      = 1,
+    softfloat_round_min         = 2,
+    softfloat_round_max         = 3,
+    softfloat_round_near_maxMag = 4,
+    softfloat_round_odd         = 6
+};
+
+/*----------------------------------------------------------------------------
+| Software floating-point exception flags.
+*----------------------------------------------------------------------------*/
+enum {
+    softfloat_flag_inexact   =  1,
+    softfloat_flag_underflow =  2,
+    softfloat_flag_overflow  =  4,
+    softfloat_flag_infinite  =  8,
+    softfloat_flag_invalid   = 16
+};
+
+#include "fp_emulation.h"
+
+/*----------------------------------------------------------------------------
+| Integer-to-floating-point conversion routines.
+*----------------------------------------------------------------------------*/
+float16_t ui32_to_f16( uint32_t );
+float32_t ui32_to_f32( uint32_t );
+float64_t ui32_to_f64( uint32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui32_to_extF80( uint32_t );
+float128_t ui32_to_f128( uint32_t );
+#endif
+void ui32_to_extF80M( uint32_t, extFloat80_t * );
+void ui32_to_f128M( uint32_t, float128_t * );
+float16_t ui64_to_f16( uint64_t );
+float32_t ui64_to_f32( uint64_t );
+float64_t ui64_to_f64( uint64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t ui64_to_extF80( uint64_t );
+float128_t ui64_to_f128( uint64_t );
+#endif
+void ui64_to_extF80M( uint64_t, extFloat80_t * );
+void ui64_to_f128M( uint64_t, float128_t * );
+float16_t i32_to_f16( int32_t );
+float32_t i32_to_f32( int32_t );
+float64_t i32_to_f64( int32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i32_to_extF80( int32_t );
+float128_t i32_to_f128( int32_t );
+#endif
+void i32_to_extF80M( int32_t, extFloat80_t * );
+void i32_to_f128M( int32_t, float128_t * );
+float16_t i64_to_f16( int64_t );
+float32_t i64_to_f32( int64_t );
+float64_t i64_to_f64( int64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t i64_to_extF80( int64_t );
+float128_t i64_to_f128( int64_t );
+#endif
+void i64_to_extF80M( int64_t, extFloat80_t * );
+void i64_to_f128M( int64_t, float128_t * );
+
+/*----------------------------------------------------------------------------
+| 16-bit (half-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f16_to_ui32( float16_t, uint_fast8_t, bool );
+uint_fast64_t f16_to_ui64( float16_t, uint_fast8_t, bool );
+int_fast32_t f16_to_i32( float16_t, uint_fast8_t, bool );
+int_fast64_t f16_to_i64( float16_t, uint_fast8_t, bool );
+uint_fast32_t f16_to_ui32_r_minMag( float16_t, bool );
+uint_fast64_t f16_to_ui64_r_minMag( float16_t, bool );
+int_fast32_t f16_to_i32_r_minMag( float16_t, bool );
+int_fast64_t f16_to_i64_r_minMag( float16_t, bool );
+float32_t f16_to_f32( float16_t );
+float64_t f16_to_f64( float16_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f16_to_extF80( float16_t );
+float128_t f16_to_f128( float16_t );
+#endif
+void f16_to_extF80M( float16_t, extFloat80_t * );
+void f16_to_f128M( float16_t, float128_t * );
+float16_t f16_roundToInt( float16_t, uint_fast8_t, bool );
+float16_t f16_add( float16_t, float16_t );
+float16_t f16_sub( float16_t, float16_t );
+float16_t f16_mul( float16_t, float16_t );
+float16_t f16_mulAdd( float16_t, float16_t, float16_t );
+float16_t f16_div( float16_t, float16_t );
+float16_t f16_rem( float16_t, float16_t );
+float16_t f16_sqrt( float16_t );
+bool f16_eq( float16_t, float16_t );
+bool f16_le( float16_t, float16_t );
+bool f16_lt( float16_t, float16_t );
+bool f16_eq_signaling( float16_t, float16_t );
+bool f16_le_quiet( float16_t, float16_t );
+bool f16_lt_quiet( float16_t, float16_t );
+bool f16_isSignalingNaN( float16_t );
+
+/*----------------------------------------------------------------------------
+| 32-bit (single-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f32_to_ui32( float32_t, uint_fast8_t, bool );
+uint_fast64_t f32_to_ui64( float32_t, uint_fast8_t, bool );
+int_fast32_t f32_to_i32( float32_t, uint_fast8_t, bool );
+int_fast64_t f32_to_i64( float32_t, uint_fast8_t, bool );
+uint_fast32_t f32_to_ui32_r_minMag( float32_t, bool );
+uint_fast64_t f32_to_ui64_r_minMag( float32_t, bool );
+int_fast32_t f32_to_i32_r_minMag( float32_t, bool );
+int_fast64_t f32_to_i64_r_minMag( float32_t, bool );
+float16_t f32_to_f16( float32_t );
+float64_t f32_to_f64( float32_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f32_to_extF80( float32_t );
+float128_t f32_to_f128( float32_t );
+#endif
+void f32_to_extF80M( float32_t, extFloat80_t * );
+void f32_to_f128M( float32_t, float128_t * );
+float32_t f32_roundToInt( float32_t, uint_fast8_t, bool );
+float32_t f32_add( float32_t, float32_t );
+float32_t f32_sub( float32_t, float32_t );
+float32_t f32_mul( float32_t, float32_t );
+float32_t f32_mulAdd( float32_t, float32_t, float32_t );
+float32_t f32_div( float32_t, float32_t );
+float32_t f32_rem( float32_t, float32_t );
+float32_t f32_sqrt( float32_t );
+bool f32_eq( float32_t, float32_t );
+bool f32_le( float32_t, float32_t );
+bool f32_lt( float32_t, float32_t );
+bool f32_eq_signaling( float32_t, float32_t );
+bool f32_le_quiet( float32_t, float32_t );
+bool f32_lt_quiet( float32_t, float32_t );
+bool f32_isSignalingNaN( float32_t );
+uint_fast16_t f32_classify( float32_t a );
+
+/*----------------------------------------------------------------------------
+| 64-bit (double-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+uint_fast32_t f64_to_ui32( float64_t, uint_fast8_t, bool );
+uint_fast64_t f64_to_ui64( float64_t, uint_fast8_t, bool );
+int_fast32_t f64_to_i32( float64_t, uint_fast8_t, bool );
+int_fast64_t f64_to_i64( float64_t, uint_fast8_t, bool );
+uint_fast32_t f64_to_ui32_r_minMag( float64_t, bool );
+uint_fast64_t f64_to_ui64_r_minMag( float64_t, bool );
+int_fast32_t f64_to_i32_r_minMag( float64_t, bool );
+int_fast64_t f64_to_i64_r_minMag( float64_t, bool );
+float16_t f64_to_f16( float64_t );
+float32_t f64_to_f32( float64_t );
+#ifdef SOFTFLOAT_FAST_INT64
+extFloat80_t f64_to_extF80( float64_t );
+float128_t f64_to_f128( float64_t );
+#endif
+void f64_to_extF80M( float64_t, extFloat80_t * );
+void f64_to_f128M( float64_t, float128_t * );
+float64_t f64_roundToInt( float64_t, uint_fast8_t, bool );
+float64_t f64_add( float64_t, float64_t );
+float64_t f64_sub( float64_t, float64_t );
+float64_t f64_mul( float64_t, float64_t );
+float64_t f64_mulAdd( float64_t, float64_t, float64_t );
+float64_t f64_div( float64_t, float64_t );
+float64_t f64_rem( float64_t, float64_t );
+float64_t f64_sqrt( float64_t );
+bool f64_eq( float64_t, float64_t );
+bool f64_le( float64_t, float64_t );
+bool f64_lt( float64_t, float64_t );
+bool f64_eq_signaling( float64_t, float64_t );
+bool f64_le_quiet( float64_t, float64_t );
+bool f64_lt_quiet( float64_t, float64_t );
+bool f64_isSignalingNaN( float64_t );
+uint_fast16_t f64_classify( float64_t a );
+
+/*----------------------------------------------------------------------------
+| Rounding precision for 80-bit extended double-precision floating-point.
+| Valid values are 32, 64, and 80.
+*----------------------------------------------------------------------------*/
+extern THREAD_LOCAL uint_fast8_t extF80_roundingPrecision;
+
+/*----------------------------------------------------------------------------
+| 80-bit extended double-precision floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast32_t extF80_to_ui32( extFloat80_t, uint_fast8_t, bool );
+uint_fast64_t extF80_to_ui64( extFloat80_t, uint_fast8_t, bool );
+int_fast32_t extF80_to_i32( extFloat80_t, uint_fast8_t, bool );
+int_fast64_t extF80_to_i64( extFloat80_t, uint_fast8_t, bool );
+uint_fast32_t extF80_to_ui32_r_minMag( extFloat80_t, bool );
+uint_fast64_t extF80_to_ui64_r_minMag( extFloat80_t, bool );
+int_fast32_t extF80_to_i32_r_minMag( extFloat80_t, bool );
+int_fast64_t extF80_to_i64_r_minMag( extFloat80_t, bool );
+float16_t extF80_to_f16( extFloat80_t );
+float32_t extF80_to_f32( extFloat80_t );
+float64_t extF80_to_f64( extFloat80_t );
+float128_t extF80_to_f128( extFloat80_t );
+extFloat80_t extF80_roundToInt( extFloat80_t, uint_fast8_t, bool );
+extFloat80_t extF80_add( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sub( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_mul( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_div( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_rem( extFloat80_t, extFloat80_t );
+extFloat80_t extF80_sqrt( extFloat80_t );
+bool extF80_eq( extFloat80_t, extFloat80_t );
+bool extF80_le( extFloat80_t, extFloat80_t );
+bool extF80_lt( extFloat80_t, extFloat80_t );
+bool extF80_eq_signaling( extFloat80_t, extFloat80_t );
+bool extF80_le_quiet( extFloat80_t, extFloat80_t );
+bool extF80_lt_quiet( extFloat80_t, extFloat80_t );
+bool extF80_isSignalingNaN( extFloat80_t );
+#endif
+uint_fast32_t extF80M_to_ui32( const extFloat80_t *, uint_fast8_t, bool );
+uint_fast64_t extF80M_to_ui64( const extFloat80_t *, uint_fast8_t, bool );
+int_fast32_t extF80M_to_i32( const extFloat80_t *, uint_fast8_t, bool );
+int_fast64_t extF80M_to_i64( const extFloat80_t *, uint_fast8_t, bool );
+uint_fast32_t extF80M_to_ui32_r_minMag( const extFloat80_t *, bool );
+uint_fast64_t extF80M_to_ui64_r_minMag( const extFloat80_t *, bool );
+int_fast32_t extF80M_to_i32_r_minMag( const extFloat80_t *, bool );
+int_fast64_t extF80M_to_i64_r_minMag( const extFloat80_t *, bool );
+float16_t extF80M_to_f16( const extFloat80_t * );
+float32_t extF80M_to_f32( const extFloat80_t * );
+float64_t extF80M_to_f64( const extFloat80_t * );
+void extF80M_to_f128M( const extFloat80_t *, float128_t * );
+void
+ extF80M_roundToInt(
+     const extFloat80_t *, uint_fast8_t, bool, extFloat80_t * );
+void extF80M_add( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sub( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_mul( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_div( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_rem( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
+void extF80M_sqrt( const extFloat80_t *, extFloat80_t * );
+bool extF80M_eq( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_eq_signaling( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_le_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_lt_quiet( const extFloat80_t *, const extFloat80_t * );
+bool extF80M_isSignalingNaN( const extFloat80_t * );
+
+/*----------------------------------------------------------------------------
+| 128-bit (quadruple-precision) floating-point operations.
+*----------------------------------------------------------------------------*/
+#ifdef SOFTFLOAT_FAST_INT64
+uint_fast32_t f128_to_ui32( float128_t, uint_fast8_t, bool );
+uint_fast64_t f128_to_ui64( float128_t, uint_fast8_t, bool );
+int_fast32_t f128_to_i32( float128_t, uint_fast8_t, bool );
+int_fast64_t f128_to_i64( float128_t, uint_fast8_t, bool );
+uint_fast32_t f128_to_ui32_r_minMag( float128_t, bool );
+uint_fast64_t f128_to_ui64_r_minMag( float128_t, bool );
+int_fast32_t f128_to_i32_r_minMag( float128_t, bool );
+int_fast64_t f128_to_i64_r_minMag( float128_t, bool );
+float16_t f128_to_f16( float128_t );
+float32_t f128_to_f32( float128_t );
+float64_t f128_to_f64( float128_t );
+extFloat80_t f128_to_extF80( float128_t );
+float128_t f128_roundToInt( float128_t, uint_fast8_t, bool );
+float128_t f128_add( float128_t, float128_t );
+float128_t f128_sub( float128_t, float128_t );
+float128_t f128_mul( float128_t, float128_t );
+float128_t f128_mulAdd( float128_t, float128_t, float128_t );
+float128_t f128_div( float128_t, float128_t );
+float128_t f128_rem( float128_t, float128_t );
+float128_t f128_sqrt( float128_t );
+bool f128_eq( float128_t, float128_t );
+bool f128_le( float128_t, float128_t );
+bool f128_lt( float128_t, float128_t );
+bool f128_eq_signaling( float128_t, float128_t );
+bool f128_le_quiet( float128_t, float128_t );
+bool f128_lt_quiet( float128_t, float128_t );
+bool f128_isSignalingNaN( float128_t );
+#endif
+uint_fast32_t f128M_to_ui32( const float128_t *, uint_fast8_t, bool );
+uint_fast64_t f128M_to_ui64( const float128_t *, uint_fast8_t, bool );
+int_fast32_t f128M_to_i32( const float128_t *, uint_fast8_t, bool );
+int_fast64_t f128M_to_i64( const float128_t *, uint_fast8_t, bool );
+uint_fast32_t f128M_to_ui32_r_minMag( const float128_t *, bool );
+uint_fast64_t f128M_to_ui64_r_minMag( const float128_t *, bool );
+int_fast32_t f128M_to_i32_r_minMag( const float128_t *, bool );
+int_fast64_t f128M_to_i64_r_minMag( const float128_t *, bool );
+float16_t f128M_to_f16( const float128_t * );
+float32_t f128M_to_f32( const float128_t * );
+float64_t f128M_to_f64( const float128_t * );
+void f128M_to_extF80M( const float128_t *, extFloat80_t * );
+void f128M_roundToInt( const float128_t *, uint_fast8_t, bool, float128_t * );
+void f128M_add( const float128_t *, const float128_t *, float128_t * );
+void f128M_sub( const float128_t *, const float128_t *, float128_t * );
+void f128M_mul( const float128_t *, const float128_t *, float128_t * );
+void
+ f128M_mulAdd(
+     const float128_t *, const float128_t *, const float128_t *, float128_t *
+ );
+void f128M_div( const float128_t *, const float128_t *, float128_t * );
+void f128M_rem( const float128_t *, const float128_t *, float128_t * );
+void f128M_sqrt( const float128_t *, float128_t * );
+bool f128M_eq( const float128_t *, const float128_t * );
+bool f128M_le( const float128_t *, const float128_t * );
+bool f128M_lt( const float128_t *, const float128_t * );
+bool f128M_eq_signaling( const float128_t *, const float128_t * );
+bool f128M_le_quiet( const float128_t *, const float128_t * );
+bool f128M_lt_quiet( const float128_t *, const float128_t * );
+bool f128M_isSignalingNaN( const float128_t * );
+
+#endif
+