Home | History | Annotate | Line # | Download | only in include
systfloat.h revision 1.1
      1  1.1  ross 
      2  1.1  ross /*
      3  1.1  ross ===============================================================================
      4  1.1  ross 
      5  1.1  ross This C header file is part of TestFloat, Release 2a, a package of programs
      6  1.1  ross for testing the correctness of floating-point arithmetic complying to the
      7  1.1  ross IEC/IEEE Standard for Floating-Point.
      8  1.1  ross 
      9  1.1  ross Written by John R. Hauser.  More information is available through the Web
     10  1.1  ross page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
     11  1.1  ross 
     12  1.1  ross THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort
     13  1.1  ross has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
     14  1.1  ross TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
     15  1.1  ross PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
     16  1.1  ross AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
     17  1.1  ross 
     18  1.1  ross Derivative works are acceptable, even for commercial purposes, so long as
     19  1.1  ross (1) they include prominent notice that the work is derivative, and (2) they
     20  1.1  ross include prominent notice akin to these four paragraphs for those parts of
     21  1.1  ross this code that are retained.
     22  1.1  ross 
     23  1.1  ross ===============================================================================
     24  1.1  ross */
     25  1.1  ross 
     26  1.1  ross /*
     27  1.1  ross -------------------------------------------------------------------------------
     28  1.1  ross The following macros are defined to indicate that the corresponding
     29  1.1  ross functions exist.
     30  1.1  ross -------------------------------------------------------------------------------
     31  1.1  ross */
     32  1.1  ross #define SYST_INT32_TO_FLOAT32
     33  1.1  ross #define SYST_INT32_TO_FLOAT64
     34  1.1  ross #ifdef BITS64
     35  1.1  ross #define SYST_INT64_TO_FLOAT32
     36  1.1  ross #define SYST_INT64_TO_FLOAT64
     37  1.1  ross #endif
     38  1.1  ross #define SYST_FLOAT32_TO_INT32_ROUND_TO_ZERO
     39  1.1  ross #ifdef BITS64
     40  1.1  ross #define SYST_FLOAT32_TO_INT64_ROUND_TO_ZERO
     41  1.1  ross #endif
     42  1.1  ross #define SYST_FLOAT32_TO_FLOAT64
     43  1.1  ross #define SYST_FLOAT32_ADD
     44  1.1  ross #define SYST_FLOAT32_SUB
     45  1.1  ross #define SYST_FLOAT32_MUL
     46  1.1  ross #define SYST_FLOAT32_DIV
     47  1.1  ross #define SYST_FLOAT32_EQ
     48  1.1  ross #define SYST_FLOAT32_LE
     49  1.1  ross #define SYST_FLOAT32_LT
     50  1.1  ross #define SYST_FLOAT64_TO_INT32_ROUND_TO_ZERO
     51  1.1  ross #ifdef BITS64
     52  1.1  ross #define SYST_FLOAT64_TO_INT64_ROUND_TO_ZERO
     53  1.1  ross #endif
     54  1.1  ross #define SYST_FLOAT64_TO_FLOAT32
     55  1.1  ross #define SYST_FLOAT64_ADD
     56  1.1  ross #define SYST_FLOAT64_SUB
     57  1.1  ross #define SYST_FLOAT64_MUL
     58  1.1  ross #define SYST_FLOAT64_DIV
     59  1.1  ross #define SYST_FLOAT64_SQRT
     60  1.1  ross #define SYST_FLOAT64_EQ
     61  1.1  ross #define SYST_FLOAT64_LE
     62  1.1  ross #define SYST_FLOAT64_LT
     63  1.1  ross #if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 )
     64  1.1  ross #define SYST_INT32_TO_FLOATX80
     65  1.1  ross #ifdef BITS64
     66  1.1  ross #define SYST_INT64_TO_FLOATX80
     67  1.1  ross #endif
     68  1.1  ross #define SYST_FLOAT32_TO_FLOATX80
     69  1.1  ross #define SYST_FLOAT64_TO_FLOATX80
     70  1.1  ross #define SYST_FLOATX80_TO_INT32_ROUND_TO_ZERO
     71  1.1  ross #ifdef BITS64
     72  1.1  ross #define SYST_FLOATX80_TO_INT64_ROUND_TO_ZERO
     73  1.1  ross #endif
     74  1.1  ross #define SYST_FLOATX80_TO_FLOAT32
     75  1.1  ross #define SYST_FLOATX80_TO_FLOAT64
     76  1.1  ross #define SYST_FLOATX80_ADD
     77  1.1  ross #define SYST_FLOATX80_SUB
     78  1.1  ross #define SYST_FLOATX80_MUL
     79  1.1  ross #define SYST_FLOATX80_DIV
     80  1.1  ross #define SYST_FLOATX80_EQ
     81  1.1  ross #define SYST_FLOATX80_LE
     82  1.1  ross #define SYST_FLOATX80_LT
     83  1.1  ross #endif
     84  1.1  ross #if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 )
     85  1.1  ross #define SYST_INT32_TO_FLOAT128
     86  1.1  ross #ifdef BITS64
     87  1.1  ross #define SYST_INT64_TO_FLOAT128
     88  1.1  ross #endif
     89  1.1  ross #define SYST_FLOAT32_TO_FLOAT128
     90  1.1  ross #define SYST_FLOAT64_TO_FLOAT128
     91  1.1  ross #define SYST_FLOAT128_TO_INT32_ROUND_TO_ZERO
     92  1.1  ross #ifdef BITS64
     93  1.1  ross #define SYST_FLOAT128_TO_INT64_ROUND_TO_ZERO
     94  1.1  ross #endif
     95  1.1  ross #define SYST_FLOAT128_TO_FLOAT32
     96  1.1  ross #define SYST_FLOAT128_TO_FLOAT64
     97  1.1  ross #define SYST_FLOAT128_ADD
     98  1.1  ross #define SYST_FLOAT128_SUB
     99  1.1  ross #define SYST_FLOAT128_MUL
    100  1.1  ross #define SYST_FLOAT128_DIV
    101  1.1  ross #define SYST_FLOAT128_EQ
    102  1.1  ross #define SYST_FLOAT128_LE
    103  1.1  ross #define SYST_FLOAT128_LT
    104  1.1  ross #endif
    105  1.1  ross 
    106  1.1  ross /*
    107  1.1  ross -------------------------------------------------------------------------------
    108  1.1  ross System function declarations.  (Some of these functions may not exist.)
    109  1.1  ross -------------------------------------------------------------------------------
    110  1.1  ross */
    111  1.1  ross float32 syst_int32_to_float32( int32 );
    112  1.1  ross float64 syst_int32_to_float64( int32 );
    113  1.1  ross #ifdef FLOATX80
    114  1.1  ross floatx80 syst_int32_to_floatx80( int32 );
    115  1.1  ross #endif
    116  1.1  ross #ifdef FLOAT128
    117  1.1  ross float128 syst_int32_to_float128( int32 );
    118  1.1  ross #endif
    119  1.1  ross #ifdef BITS64
    120  1.1  ross float32 syst_int64_to_float32( int64 );
    121  1.1  ross float64 syst_int64_to_float64( int64 );
    122  1.1  ross #ifdef FLOATX80
    123  1.1  ross floatx80 syst_int64_to_floatx80( int64 );
    124  1.1  ross #endif
    125  1.1  ross #ifdef FLOAT128
    126  1.1  ross float128 syst_int64_to_float128( int64 );
    127  1.1  ross #endif
    128  1.1  ross #endif
    129  1.1  ross int32 syst_float32_to_int32( float32 );
    130  1.1  ross int32 syst_float32_to_int32_round_to_zero( float32 );
    131  1.1  ross #ifdef BITS64
    132  1.1  ross int64 syst_float32_to_int64( float32 );
    133  1.1  ross int64 syst_float32_to_int64_round_to_zero( float32 );
    134  1.1  ross #endif
    135  1.1  ross float64 syst_float32_to_float64( float32 );
    136  1.1  ross #ifdef FLOATX80
    137  1.1  ross floatx80 syst_float32_to_floatx80( float32 );
    138  1.1  ross #endif
    139  1.1  ross #ifdef FLOAT128
    140  1.1  ross float128 syst_float32_to_float128( float32 );
    141  1.1  ross #endif
    142  1.1  ross float32 syst_float32_round_to_int( float32 );
    143  1.1  ross float32 syst_float32_add( float32, float32 );
    144  1.1  ross float32 syst_float32_sub( float32, float32 );
    145  1.1  ross float32 syst_float32_mul( float32, float32 );
    146  1.1  ross float32 syst_float32_div( float32, float32 );
    147  1.1  ross float32 syst_float32_rem( float32, float32 );
    148  1.1  ross float32 syst_float32_sqrt( float32 );
    149  1.1  ross flag syst_float32_eq( float32, float32 );
    150  1.1  ross flag syst_float32_le( float32, float32 );
    151  1.1  ross flag syst_float32_lt( float32, float32 );
    152  1.1  ross flag syst_float32_eq_signaling( float32, float32 );
    153  1.1  ross flag syst_float32_le_quiet( float32, float32 );
    154  1.1  ross flag syst_float32_lt_quiet( float32, float32 );
    155  1.1  ross int32 syst_float64_to_int32( float64 );
    156  1.1  ross int32 syst_float64_to_int32_round_to_zero( float64 );
    157  1.1  ross #ifdef BITS64
    158  1.1  ross int64 syst_float64_to_int64( float64 );
    159  1.1  ross int64 syst_float64_to_int64_round_to_zero( float64 );
    160  1.1  ross #endif
    161  1.1  ross float32 syst_float64_to_float32( float64 );
    162  1.1  ross #ifdef FLOATX80
    163  1.1  ross floatx80 syst_float64_to_floatx80( float64 );
    164  1.1  ross #endif
    165  1.1  ross #ifdef FLOAT128
    166  1.1  ross float128 syst_float64_to_float128( float64 );
    167  1.1  ross #endif
    168  1.1  ross float64 syst_float64_round_to_int( float64 );
    169  1.1  ross float64 syst_float64_add( float64, float64 );
    170  1.1  ross float64 syst_float64_sub( float64, float64 );
    171  1.1  ross float64 syst_float64_mul( float64, float64 );
    172  1.1  ross float64 syst_float64_div( float64, float64 );
    173  1.1  ross float64 syst_float64_rem( float64, float64 );
    174  1.1  ross float64 syst_float64_sqrt( float64 );
    175  1.1  ross flag syst_float64_eq( float64, float64 );
    176  1.1  ross flag syst_float64_le( float64, float64 );
    177  1.1  ross flag syst_float64_lt( float64, float64 );
    178  1.1  ross flag syst_float64_eq_signaling( float64, float64 );
    179  1.1  ross flag syst_float64_le_quiet( float64, float64 );
    180  1.1  ross flag syst_float64_lt_quiet( float64, float64 );
    181  1.1  ross #ifdef FLOATX80
    182  1.1  ross int32 syst_floatx80_to_int32( floatx80 );
    183  1.1  ross int32 syst_floatx80_to_int32_round_to_zero( floatx80 );
    184  1.1  ross #ifdef BITS64
    185  1.1  ross int64 syst_floatx80_to_int64( floatx80 );
    186  1.1  ross int64 syst_floatx80_to_int64_round_to_zero( floatx80 );
    187  1.1  ross #endif
    188  1.1  ross float32 syst_floatx80_to_float32( floatx80 );
    189  1.1  ross float64 syst_floatx80_to_float64( floatx80 );
    190  1.1  ross #ifdef FLOAT128
    191  1.1  ross float128 syst_floatx80_to_float128( floatx80 );
    192  1.1  ross #endif
    193  1.1  ross floatx80 syst_floatx80_round_to_int( floatx80 );
    194  1.1  ross floatx80 syst_floatx80_add( floatx80, floatx80 );
    195  1.1  ross floatx80 syst_floatx80_sub( floatx80, floatx80 );
    196  1.1  ross floatx80 syst_floatx80_mul( floatx80, floatx80 );
    197  1.1  ross floatx80 syst_floatx80_div( floatx80, floatx80 );
    198  1.1  ross floatx80 syst_floatx80_rem( floatx80, floatx80 );
    199  1.1  ross floatx80 syst_floatx80_sqrt( floatx80 );
    200  1.1  ross flag syst_floatx80_eq( floatx80, floatx80 );
    201  1.1  ross flag syst_floatx80_le( floatx80, floatx80 );
    202  1.1  ross flag syst_floatx80_lt( floatx80, floatx80 );
    203  1.1  ross flag syst_floatx80_eq_signaling( floatx80, floatx80 );
    204  1.1  ross flag syst_floatx80_le_quiet( floatx80, floatx80 );
    205  1.1  ross flag syst_floatx80_lt_quiet( floatx80, floatx80 );
    206  1.1  ross #endif
    207  1.1  ross #ifdef FLOAT128
    208  1.1  ross int32 syst_float128_to_int32( float128 );
    209  1.1  ross int32 syst_float128_to_int32_round_to_zero( float128 );
    210  1.1  ross #ifdef BITS64
    211  1.1  ross int64 syst_float128_to_int64( float128 );
    212  1.1  ross int64 syst_float128_to_int64_round_to_zero( float128 );
    213  1.1  ross #endif
    214  1.1  ross float32 syst_float128_to_float32( float128 );
    215  1.1  ross float64 syst_float128_to_float64( float128 );
    216  1.1  ross #ifdef FLOATX80
    217  1.1  ross floatx80 syst_float128_to_floatx80( float128 );
    218  1.1  ross #endif
    219  1.1  ross float128 syst_float128_round_to_int( float128 );
    220  1.1  ross float128 syst_float128_add( float128, float128 );
    221  1.1  ross float128 syst_float128_sub( float128, float128 );
    222  1.1  ross float128 syst_float128_mul( float128, float128 );
    223  1.1  ross float128 syst_float128_div( float128, float128 );
    224  1.1  ross float128 syst_float128_rem( float128, float128 );
    225  1.1  ross float128 syst_float128_sqrt( float128 );
    226  1.1  ross flag syst_float128_eq( float128, float128 );
    227  1.1  ross flag syst_float128_le( float128, float128 );
    228  1.1  ross flag syst_float128_lt( float128, float128 );
    229  1.1  ross flag syst_float128_eq_signaling( float128, float128 );
    230  1.1  ross flag syst_float128_le_quiet( float128, float128 );
    231  1.1  ross flag syst_float128_lt_quiet( float128, float128 );
    232  1.1  ross #endif
    233  1.1  ross 
    234