1//===--------------- extendhfsf2_test.c - Test __extendhfsf2 --------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __extendhfsf2 for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#include <stdio.h>
15
16#include "fp_test.h"
17
18float __extendhfsf2(uint16_t a);
19
20int test__extendhfsf2(uint16_t a, float expected)
21{
22    float x = __extendhfsf2(a);
23    int ret = compareResultH(x, expected);
24
25    if (ret){
26        printf("error in test__extendhfsf2(%#.4x) = %f, "
27               "expected %f\n", a, x, expected);
28    }
29    return ret;
30}
31
32char assumption_1[sizeof(__fp16) * CHAR_BIT == 16] = {0};
33
34int main()
35{
36    // qNaN
37    if (test__extendhfsf2(UINT16_C(0x7e00),
38                          makeQNaN32()))
39        return 1;
40    // NaN
41    if (test__extendhfsf2(UINT16_C(0x7e00),
42                          makeNaN32(UINT32_C(0x8000))))
43        return 1;
44    // inf
45    if (test__extendhfsf2(UINT16_C(0x7c00),
46                          makeInf32()))
47        return 1;
48    if (test__extendhfsf2(UINT16_C(0xfc00),
49                          -makeInf32()))
50        return 1;
51    // zero
52    if (test__extendhfsf2(UINT16_C(0x0),
53                          0.0f))
54        return 1;
55    if (test__extendhfsf2(UINT16_C(0x8000),
56                          -0.0f))
57        return 1;
58
59    if (test__extendhfsf2(UINT16_C(0x4248),
60                          3.1415926535f))
61        return 1;
62    if (test__extendhfsf2(UINT16_C(0xc248),
63                          -3.1415926535f))
64        return 1;
65    if (test__extendhfsf2(UINT16_C(0x7c00),
66                          0x1.987124876876324p+100f))
67        return 1;
68    if (test__extendhfsf2(UINT16_C(0x6e62),
69                          0x1.988p+12f))
70        return 1;
71    if (test__extendhfsf2(UINT16_C(0x3c00),
72                          0x1.0p+0f))
73        return 1;
74    if (test__extendhfsf2(UINT16_C(0x0400),
75                          0x1.0p-14f))
76        return 1;
77    // denormal
78    if (test__extendhfsf2(UINT16_C(0x0010),
79                          0x1.0p-20f))
80        return 1;
81    if (test__extendhfsf2(UINT16_C(0x0001),
82                          0x1.0p-24f))
83        return 1;
84    if (test__extendhfsf2(UINT16_C(0x8001),
85                          -0x1.0p-24f))
86        return 1;
87    if (test__extendhfsf2(UINT16_C(0x0001),
88                          0x1.5p-25f))
89        return 1;
90    // and back to zero
91    if (test__extendhfsf2(UINT16_C(0x0000),
92                          0x1.0p-25f))
93        return 1;
94    if (test__extendhfsf2(UINT16_C(0x8000),
95                          -0x1.0p-25f))
96        return 1;
97    // max (precise)
98    if (test__extendhfsf2(UINT16_C(0x7bff),
99                          65504.0f))
100        return 1;
101    // max (rounded)
102    if (test__extendhfsf2(UINT16_C(0x7bff),
103                          65504.0f))
104        return 1;
105    // max (to +inf)
106    if (test__extendhfsf2(UINT16_C(0x7c00),
107                          makeInf32()))
108        return 1;
109    if (test__extendhfsf2(UINT16_C(0xfc00),
110                          -makeInf32()))
111        return 1;
112    return 0;
113}
114