1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
//===--------------- extendhfsf2_test.c - Test __extendhfsf2 --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __extendhfsf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#include "fp_test.h"
float __extendhfsf2(uint16_t a);
int test__extendhfsf2(uint16_t a, float expected)
{
float x = __extendhfsf2(a);
int ret = compareResultH(x, expected);
if (ret){
printf("error in test__extendhfsf2(%#.4x) = %f, "
"expected %f\n", a, x, expected);
}
return ret;
}
char assumption_1[sizeof(__fp16) * CHAR_BIT == 16] = {0};
int main()
{
// qNaN
if (test__extendhfsf2(UINT16_C(0x7e00),
makeQNaN32()))
return 1;
// NaN
if (test__extendhfsf2(UINT16_C(0x7e00),
makeNaN32(UINT32_C(0x8000))))
return 1;
// inf
if (test__extendhfsf2(UINT16_C(0x7c00),
makeInf32()))
return 1;
if (test__extendhfsf2(UINT16_C(0xfc00),
-makeInf32()))
return 1;
// zero
if (test__extendhfsf2(UINT16_C(0x0),
0.0f))
return 1;
if (test__extendhfsf2(UINT16_C(0x8000),
-0.0f))
return 1;
if (test__extendhfsf2(UINT16_C(0x4248),
3.1415926535f))
return 1;
if (test__extendhfsf2(UINT16_C(0xc248),
-3.1415926535f))
return 1;
if (test__extendhfsf2(UINT16_C(0x7c00),
0x1.987124876876324p+100f))
return 1;
if (test__extendhfsf2(UINT16_C(0x6e62),
0x1.988p+12f))
return 1;
if (test__extendhfsf2(UINT16_C(0x3c00),
0x1.0p+0f))
return 1;
if (test__extendhfsf2(UINT16_C(0x0400),
0x1.0p-14f))
return 1;
// denormal
if (test__extendhfsf2(UINT16_C(0x0010),
0x1.0p-20f))
return 1;
if (test__extendhfsf2(UINT16_C(0x0001),
0x1.0p-24f))
return 1;
if (test__extendhfsf2(UINT16_C(0x8001),
-0x1.0p-24f))
return 1;
if (test__extendhfsf2(UINT16_C(0x0001),
0x1.5p-25f))
return 1;
// and back to zero
if (test__extendhfsf2(UINT16_C(0x0000),
0x1.0p-25f))
return 1;
if (test__extendhfsf2(UINT16_C(0x8000),
-0x1.0p-25f))
return 1;
// max (precise)
if (test__extendhfsf2(UINT16_C(0x7bff),
65504.0f))
return 1;
// max (rounded)
if (test__extendhfsf2(UINT16_C(0x7bff),
65504.0f))
return 1;
// max (to +inf)
if (test__extendhfsf2(UINT16_C(0x7c00),
makeInf32()))
return 1;
if (test__extendhfsf2(UINT16_C(0xfc00),
-makeInf32()))
return 1;
return 0;
}
|
