testFunction.h revision 206917 
1
2/*
3===============================================================================
4
5This C header file is part of TestFloat, Release 2a, a package of programs
6for testing the correctness of floating-point arithmetic complying to the
7IEC/IEEE Standard for Floating-Point.
8
9Written by John R. Hauser.  More information is available through the Web
10page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
11
12THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort
13has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
14TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
15PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
16AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
17
18Derivative works are acceptable, even for commercial purposes, so long as
19(1) they include prominent notice that the work is derivative, and (2) they
20include prominent notice akin to these four paragraphs for those parts of
21this code that are retained.
22
23===============================================================================
24*/
25
26enum {
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
118typedef struct {
119    char *name;
120    int8 numInputs;
121    flag roundingPrecision, roundingMode;
122} functionT;
123extern const functionT functions[ NUM_FUNCTIONS ];
124extern const flag functionExists[ NUM_FUNCTIONS ];
125
126enum {
127    ROUND_NEAREST_EVEN = 1,
128    ROUND_TO_ZERO,
129    ROUND_DOWN,
130    ROUND_UP,
131    NUM_ROUNDINGMODES
132};
133
134void testFunction( uint8, int8, int8 );
135
136