diff options
Diffstat (limited to 'source/include/softfloat.h')
| -rw-r--r-- | source/include/softfloat.h | 64 |
1 files changed, 56 insertions, 8 deletions
diff --git a/source/include/softfloat.h b/source/include/softfloat.h index 3f424fc..8f82288 100644 --- a/source/include/softfloat.h +++ b/source/include/softfloat.h @@ -2,10 +2,10 @@ /*============================================================================ This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. -Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. -All rights reserved. +Copyright 2011, 2012, 2013, 2014, 2015, 2016 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: @@ -48,13 +48,16 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <stdbool.h> #include <stdint.h> - #include "softfloat_types.h" +#ifndef THREAD_LOCAL +#define THREAD_LOCAL +#endif + /*---------------------------------------------------------------------------- | Software floating-point underflow tininess-detection mode. *----------------------------------------------------------------------------*/ -extern uint_fast8_t softfloat_detectTininess; +extern THREAD_LOCAL uint_fast8_t softfloat_detectTininess; enum { softfloat_tininess_beforeRounding = 0, softfloat_tininess_afterRounding = 1 @@ -63,7 +66,7 @@ enum { /*---------------------------------------------------------------------------- | Software floating-point rounding mode. *----------------------------------------------------------------------------*/ -extern uint_fast8_t softfloat_roundingMode; +extern THREAD_LOCAL uint_fast8_t softfloat_roundingMode; enum { softfloat_round_near_even = 0, softfloat_round_minMag = 1, @@ -75,7 +78,7 @@ enum { /*---------------------------------------------------------------------------- | Software floating-point exception flags. *----------------------------------------------------------------------------*/ -extern uint_fast8_t softfloat_exceptionFlags; +extern THREAD_LOCAL uint_fast8_t softfloat_exceptionFlags; enum { softfloat_flag_inexact = 1, softfloat_flag_underflow = 2, @@ -92,6 +95,7 @@ void softfloat_raiseFlags( uint_fast8_t ); /*---------------------------------------------------------------------------- | 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 @@ -100,6 +104,7 @@ 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 @@ -108,6 +113,7 @@ 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 @@ -116,6 +122,7 @@ 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 @@ -126,6 +133,41 @@ 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 ); @@ -136,6 +178,7 @@ 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 ); @@ -170,6 +213,7 @@ 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 ); @@ -197,7 +241,7 @@ bool f64_isSignalingNaN( float64_t ); | Rounding precision for 80-bit extended double-precision floating-point. | Valid values are 32, 64, and 80. *----------------------------------------------------------------------------*/ -extern uint_fast8_t extF80_roundingPrecision; +extern THREAD_LOCAL uint_fast8_t extF80_roundingPrecision; /*---------------------------------------------------------------------------- | 80-bit extended double-precision floating-point operations. @@ -211,6 +255,7 @@ 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 ); @@ -237,6 +282,7 @@ 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 * ); @@ -269,6 +315,7 @@ 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 ); @@ -296,6 +343,7 @@ 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 * ); |