1// RUN: %clang_builtins %s %librt -o %t && %run %t
2// REQUIRES: librt_has_extendhftf2
3
4#include "int_lib.h"
5#include <stdio.h>
6
7#if __LDBL_MANT_DIG__ == 113 && defined(COMPILER_RT_HAS_FLOAT16)
8
9#include "fp_test.h"
10
11COMPILER_RT_ABI long double __extendhftf2(TYPE_FP16 a);
12
13int test__extendhftf2(TYPE_FP16 a, uint64_t expectedHi, uint64_t expectedLo) {
14 long double x = __extendhftf2(a);
15 int ret = compareResultLD(x, expectedHi, expectedLo);
16
17 if (ret) {
18 printf("error in test__extendhftf2(%#.4x) = %.20Lf, "
19 "expected %.20Lf\n",
20 toRep16(a), x,
21 fromRep128(expectedHi, expectedLo));
22 }
23 return ret;
24}
25
26char assumption_1[sizeof(TYPE_FP16) * CHAR_BIT == 16] = {0};
27
28#endif
29
30int main() {
31#if __LDBL_MANT_DIG__ == 113 && defined(COMPILER_RT_HAS_FLOAT16)
32 // qNaN
33 if (test__extendhftf2(makeQNaN16(),
34 UINT64_C(0x7fff800000000000),
35 UINT64_C(0x0)))
36 return 1;
37 // NaN
38 if (test__extendhftf2(makeNaN16(UINT16_C(0x0100)),
39 UINT64_C(0x7fff400000000000),
40 UINT64_C(0x0)))
41 return 1;
42 // inf
43 if (test__extendhftf2(makeInf16(),
44 UINT64_C(0x7fff000000000000),
45 UINT64_C(0x0)))
46 return 1;
47 if (test__extendhftf2(-makeInf16(),
48 UINT64_C(0xffff000000000000),
49 UINT64_C(0x0)))
50 return 1;
51 // zero
52 if (test__extendhftf2(fromRep16(0x0U),
53 UINT64_C(0x0), UINT64_C(0x0)))
54 return 1;
55 if (test__extendhftf2(fromRep16(0x8000U),
56 UINT64_C(0x8000000000000000),
57 UINT64_C(0x0)))
58 return 1;
59 // denormal
60 if (test__extendhftf2(fromRep16(0x0010U),
61 UINT64_C(0x3feb000000000000),
62 UINT64_C(0x0000000000000000)))
63 return 1;
64 if (test__extendhftf2(fromRep16(0x0001U),
65 UINT64_C(0x3fe7000000000000),
66 UINT64_C(0x0000000000000000)))
67 return 1;
68 if (test__extendhftf2(fromRep16(0x8001U),
69 UINT64_C(0xbfe7000000000000),
70 UINT64_C(0x0000000000000000)))
71 return 1;
72
73 // pi
74 if (test__extendhftf2(fromRep16(0x4248U),
75 UINT64_C(0x4000920000000000),
76 UINT64_C(0x0000000000000000)))
77 return 1;
78 if (test__extendhftf2(fromRep16(0xc248U),
79 UINT64_C(0xc000920000000000),
80 UINT64_C(0x0000000000000000)))
81 return 1;
82
83 if (test__extendhftf2(fromRep16(0x508cU),
84 UINT64_C(0x4004230000000000),
85 UINT64_C(0x0)))
86 return 1;
87 if (test__extendhftf2(fromRep16(0x1bb7U),
88 UINT64_C(0x3ff6edc000000000),
89 UINT64_C(0x0)))
90 return 1;
91#else
92 printf("skipped\n");
93#endif
94 return 0;
95}
96