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testFunction.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 enum {
     27     INT32_TO_FLOAT32 = 1,
     28     INT32_TO_FLOAT64,
     29     INT32_TO_FLOATX80,
     30     INT32_TO_FLOAT128,
     31     INT64_TO_FLOAT32,
     32     INT64_TO_FLOAT64,
     33     INT64_TO_FLOATX80,
     34     INT64_TO_FLOAT128,
     35     FLOAT32_TO_INT32,
     36     FLOAT32_TO_INT32_ROUND_TO_ZERO,
     37     FLOAT32_TO_INT64,
     38     FLOAT32_TO_INT64_ROUND_TO_ZERO,
     39     FLOAT32_TO_FLOAT64,
     40     FLOAT32_TO_FLOATX80,
     41     FLOAT32_TO_FLOAT128,
     42     FLOAT32_ROUND_TO_INT,
     43     FLOAT32_ADD,
     44     FLOAT32_SUB,
     45     FLOAT32_MUL,
     46     FLOAT32_DIV,
     47     FLOAT32_REM,
     48     FLOAT32_SQRT,
     49     FLOAT32_EQ,
     50     FLOAT32_LE,
     51     FLOAT32_LT,
     52     FLOAT32_EQ_SIGNALING,
     53     FLOAT32_LE_QUIET,
     54     FLOAT32_LT_QUIET,
     55     FLOAT64_TO_INT32,
     56     FLOAT64_TO_INT32_ROUND_TO_ZERO,
     57     FLOAT64_TO_INT64,
     58     FLOAT64_TO_INT64_ROUND_TO_ZERO,
     59     FLOAT64_TO_FLOAT32,
     60     FLOAT64_TO_FLOATX80,
     61     FLOAT64_TO_FLOAT128,
     62     FLOAT64_ROUND_TO_INT,
     63     FLOAT64_ADD,
     64     FLOAT64_SUB,
     65     FLOAT64_MUL,
     66     FLOAT64_DIV,
     67     FLOAT64_REM,
     68     FLOAT64_SQRT,
     69     FLOAT64_EQ,
     70     FLOAT64_LE,
     71     FLOAT64_LT,
     72     FLOAT64_EQ_SIGNALING,
     73     FLOAT64_LE_QUIET,
     74     FLOAT64_LT_QUIET,
     75     FLOATX80_TO_INT32,
     76     FLOATX80_TO_INT32_ROUND_TO_ZERO,
     77     FLOATX80_TO_INT64,
     78     FLOATX80_TO_INT64_ROUND_TO_ZERO,
     79     FLOATX80_TO_FLOAT32,
     80     FLOATX80_TO_FLOAT64,
     81     FLOATX80_TO_FLOAT128,
     82     FLOATX80_ROUND_TO_INT,
     83     FLOATX80_ADD,
     84     FLOATX80_SUB,
     85     FLOATX80_MUL,
     86     FLOATX80_DIV,
     87     FLOATX80_REM,
     88     FLOATX80_SQRT,
     89     FLOATX80_EQ,
     90     FLOATX80_LE,
     91     FLOATX80_LT,
     92     FLOATX80_EQ_SIGNALING,
     93     FLOATX80_LE_QUIET,
     94     FLOATX80_LT_QUIET,
     95     FLOAT128_TO_INT32,
     96     FLOAT128_TO_INT32_ROUND_TO_ZERO,
     97     FLOAT128_TO_INT64,
     98     FLOAT128_TO_INT64_ROUND_TO_ZERO,
     99     FLOAT128_TO_FLOAT32,
    100     FLOAT128_TO_FLOAT64,
    101     FLOAT128_TO_FLOATX80,
    102     FLOAT128_ROUND_TO_INT,
    103     FLOAT128_ADD,
    104     FLOAT128_SUB,
    105     FLOAT128_MUL,
    106     FLOAT128_DIV,
    107     FLOAT128_REM,
    108     FLOAT128_SQRT,
    109     FLOAT128_EQ,
    110     FLOAT128_LE,
    111     FLOAT128_LT,
    112     FLOAT128_EQ_SIGNALING,
    113     FLOAT128_LE_QUIET,
    114     FLOAT128_LT_QUIET,
    115     NUM_FUNCTIONS
    116 };
    117 
    118 typedef struct {
    119     char *name;
    120     int8 numInputs;
    121     flag roundingPrecision, roundingMode;
    122 } functionT;
    123 extern const functionT functions[ NUM_FUNCTIONS ];
    124 extern const flag functionExists[ NUM_FUNCTIONS ];
    125 
    126 enum {
    127     ROUND_NEAREST_EVEN = 1,
    128     ROUND_TO_ZERO,
    129     ROUND_DOWN,
    130     ROUND_UP,
    131     NUM_ROUNDINGMODES
    132 };
    133 
    134 void testFunction( uint8, int8, int8 );
    135 
    136