from libc.stdint cimport * # For bitwise conversion between Python floats and the uint containers # needed to construct softfloat representations. ctypedef union ui64_double: uint64_t u; double d; cdef extern from '../berkeley-softfloat-3/source/include/softfloat.h': # Transparent types so we can have access to the raw bits. ctypedef struct float16_t: uint16_t v; ctypedef struct float32_t: uint32_t v; ctypedef struct float64_t: uint64_t v; ctypedef struct float128_t: uint64_t v[2]; # /*---------------------------------------------------------------------------- # | Software floating-point underflow tininess-detection mode. # *----------------------------------------------------------------------------*/ # extern uint_fast8_t softfloat_detectTininess; # THREAD_LOCAL # cdef enum: # softfloat_tininess_beforeRounding = 0 # softfloat_tininess_afterRounding = 1 # /*---------------------------------------------------------------------------- # | Software floating-point rounding mode. (Mode "odd" is supported only if # | SoftFloat is compiled with macro 'SOFTFLOAT_ROUND_ODD' defined.) # *----------------------------------------------------------------------------*/ extern uint_fast8_t softfloat_roundingMode; # THREAD_LOCAL cdef 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. # *----------------------------------------------------------------------------*/ extern uint_fast8_t softfloat_exceptionFlags; # THREAD_LOCAL cdef enum: softfloat_flag_inexact = 1 softfloat_flag_underflow = 2 softfloat_flag_overflow = 4 softfloat_flag_infinite = 8 softfloat_flag_invalid = 16 # /*---------------------------------------------------------------------------- # | Routine to raise any or all of the software floating-point exception flags. # *----------------------------------------------------------------------------*/ 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 # 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, bint ); uint_fast64_t f16_to_ui64( float16_t, uint_fast8_t, bint ); int_fast32_t f16_to_i32( float16_t, uint_fast8_t, bint ); int_fast64_t f16_to_i64( float16_t, uint_fast8_t, bint ); uint_fast32_t f16_to_ui32_r_minMag( float16_t, bint ); uint_fast64_t f16_to_ui64_r_minMag( float16_t, bint ); int_fast32_t f16_to_i32_r_minMag( float16_t, bint ); int_fast64_t f16_to_i64_r_minMag( float16_t, bint ); 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, bint ); 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 ); bint f16_eq( float16_t, float16_t ); bint f16_le( float16_t, float16_t ); bint f16_lt( float16_t, float16_t ); bint f16_eq_signaling( float16_t, float16_t ); bint f16_le_quiet( float16_t, float16_t ); bint f16_lt_quiet( float16_t, float16_t ); bint f16_isSignalingNaN( float16_t ); # /*---------------------------------------------------------------------------- # | 32-bit (single-precision) floating-point operations. # *----------------------------------------------------------------------------*/ uint_fast32_t f32_to_ui32( float32_t, uint_fast8_t, bint ); uint_fast64_t f32_to_ui64( float32_t, uint_fast8_t, bint ); int_fast32_t f32_to_i32( float32_t, uint_fast8_t, bint ); int_fast64_t f32_to_i64( float32_t, uint_fast8_t, bint ); uint_fast32_t f32_to_ui32_r_minMag( float32_t, bint ); uint_fast64_t f32_to_ui64_r_minMag( float32_t, bint ); int_fast32_t f32_to_i32_r_minMag( float32_t, bint ); int_fast64_t f32_to_i64_r_minMag( float32_t, bint ); 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, bint ); 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 ); bint f32_eq( float32_t, float32_t ); bint f32_le( float32_t, float32_t ); bint f32_lt( float32_t, float32_t ); bint f32_eq_signaling( float32_t, float32_t ); bint f32_le_quiet( float32_t, float32_t ); bint f32_lt_quiet( float32_t, float32_t ); bint f32_isSignalingNaN( float32_t ); # /*---------------------------------------------------------------------------- # | 64-bit (double-precision) floating-point operations. # *----------------------------------------------------------------------------*/ uint_fast32_t f64_to_ui32( float64_t, uint_fast8_t, bint ); uint_fast64_t f64_to_ui64( float64_t, uint_fast8_t, bint ); int_fast32_t f64_to_i32( float64_t, uint_fast8_t, bint ); int_fast64_t f64_to_i64( float64_t, uint_fast8_t, bint ); uint_fast32_t f64_to_ui32_r_minMag( float64_t, bint ); uint_fast64_t f64_to_ui64_r_minMag( float64_t, bint ); int_fast32_t f64_to_i32_r_minMag( float64_t, bint ); int_fast64_t f64_to_i64_r_minMag( float64_t, bint ); 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, bint ); 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 ); bint f64_eq( float64_t, float64_t ); bint f64_le( float64_t, float64_t ); bint f64_lt( float64_t, float64_t ); bint f64_eq_signaling( float64_t, float64_t ); bint f64_le_quiet( float64_t, float64_t ); bint f64_lt_quiet( float64_t, float64_t ); bint f64_isSignalingNaN( float64_t ); # /*---------------------------------------------------------------------------- # | 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, bint ); # uint_fast64_t extF80_to_ui64( extFloat80_t, uint_fast8_t, bint ); # int_fast32_t extF80_to_i32( extFloat80_t, uint_fast8_t, bint ); # int_fast64_t extF80_to_i64( extFloat80_t, uint_fast8_t, bint ); # uint_fast32_t extF80_to_ui32_r_minMag( extFloat80_t, bint ); # uint_fast64_t extF80_to_ui64_r_minMag( extFloat80_t, bint ); # int_fast32_t extF80_to_i32_r_minMag( extFloat80_t, bint ); # int_fast64_t extF80_to_i64_r_minMag( extFloat80_t, bint ); # 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, bint ); # 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 ); # bint extF80_eq( extFloat80_t, extFloat80_t ); # bint extF80_le( extFloat80_t, extFloat80_t ); # bint extF80_lt( extFloat80_t, extFloat80_t ); # bint extF80_eq_signaling( extFloat80_t, extFloat80_t ); # bint extF80_le_quiet( extFloat80_t, extFloat80_t ); # bint extF80_lt_quiet( extFloat80_t, extFloat80_t ); # bint extF80_isSignalingNaN( extFloat80_t ); # #endif # uint_fast32_t extF80M_to_ui32( const extFloat80_t *, uint_fast8_t, bint ); # uint_fast64_t extF80M_to_ui64( const extFloat80_t *, uint_fast8_t, bint ); # int_fast32_t extF80M_to_i32( const extFloat80_t *, uint_fast8_t, bint ); # int_fast64_t extF80M_to_i64( const extFloat80_t *, uint_fast8_t, bint ); # uint_fast32_t extF80M_to_ui32_r_minMag( const extFloat80_t *, bint ); # uint_fast64_t extF80M_to_ui64_r_minMag( const extFloat80_t *, bint ); # int_fast32_t extF80M_to_i32_r_minMag( const extFloat80_t *, bint ); # int_fast64_t extF80M_to_i64_r_minMag( const extFloat80_t *, bint ); # 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, bint, 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 * ); # bint extF80M_eq( const extFloat80_t *, const extFloat80_t * ); # bint extF80M_le( const extFloat80_t *, const extFloat80_t * ); # bint extF80M_lt( const extFloat80_t *, const extFloat80_t * ); # bint extF80M_eq_signaling( const extFloat80_t *, const extFloat80_t * ); # bint extF80M_le_quiet( const extFloat80_t *, const extFloat80_t * ); # bint extF80M_lt_quiet( const extFloat80_t *, const extFloat80_t * ); # bint 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, bint ); # uint_fast64_t f128_to_ui64( float128_t, uint_fast8_t, bint ); # int_fast32_t f128_to_i32( float128_t, uint_fast8_t, bint ); # int_fast64_t f128_to_i64( float128_t, uint_fast8_t, bint ); # uint_fast32_t f128_to_ui32_r_minMag( float128_t, bint ); # uint_fast64_t f128_to_ui64_r_minMag( float128_t, bint ); # int_fast32_t f128_to_i32_r_minMag( float128_t, bint ); # int_fast64_t f128_to_i64_r_minMag( float128_t, bint ); # 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, bint ); # 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 ); # bint f128_eq( float128_t, float128_t ); # bint f128_le( float128_t, float128_t ); # bint f128_lt( float128_t, float128_t ); # bint f128_eq_signaling( float128_t, float128_t ); # bint f128_le_quiet( float128_t, float128_t ); # bint f128_lt_quiet( float128_t, float128_t ); # bint f128_isSignalingNaN( float128_t ); # #endif # uint_fast32_t f128M_to_ui32( const float128_t *, uint_fast8_t, bint ); # uint_fast64_t f128M_to_ui64( const float128_t *, uint_fast8_t, bint ); # int_fast32_t f128M_to_i32( const float128_t *, uint_fast8_t, bint ); # int_fast64_t f128M_to_i64( const float128_t *, uint_fast8_t, bint ); # uint_fast32_t f128M_to_ui32_r_minMag( const float128_t *, bint ); # uint_fast64_t f128M_to_ui64_r_minMag( const float128_t *, bint ); # int_fast32_t f128M_to_i32_r_minMag( const float128_t *, bint ); # int_fast64_t f128M_to_i64_r_minMag( const float128_t *, bint ); # 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, bint, 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 * ); # bint f128M_eq( const float128_t *, const float128_t * ); # bint f128M_le( const float128_t *, const float128_t * ); # bint f128M_lt( const float128_t *, const float128_t * ); # bint f128M_eq_signaling( const float128_t *, const float128_t * ); # bint f128M_le_quiet( const float128_t *, const float128_t * ); # bint f128M_lt_quiet( const float128_t *, const float128_t * ); # bint f128M_isSignalingNaN( const float128_t * );