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